Dilson Enterprises

An Active Buzzer Alarm Module easily interfaced with an Arduino or other microcontrollers is an audio signaling device, which may be mechanical, electromechanical, or piezoelectric. Just like what you are viewing now, it is 3.3V to 5V DC power supply Electronic Part Active Buzzer Module. Using top quality material, it is long durable in use.

An Active buzzer rings out as long as it is electrified. Compared with a passive buzzer, it is a bit expensive but easier to control. Typical uses of buzzers include alarm devices, timers, and confirmation of user input such as a mouse click or keystroke.

 

Specifications:  Active Buzzer Module

• Product Name: 3.3 to 5V Active Buzzer Alarm Module Sensor
• Transistor drive module uses 8550
• With fixed bolt hole- easy installation- 2.6mm aperture.
• Operating voltage 3.3V-5V

ADIY FLY RP2040 Type C comes with a large on-chip memory, symmetric dual-core processor complex, deterministic bus fabric, and rich peripheral set augmented with a unique Programmable I/O (PIO) subsystem, RP2040 provides professional users with unrivalled power and flexibility. ADIY FLY pairs RP2040 with 4MB of Flash memory, and a power supply chip supporting input voltages from 3.3-5.5V. It provides 27 GPIO pins, 4 of which can function as analogue inputs, on 2.54mm-pitch through-hole pads. The RESET button on ADIY FLY makes the usage of module easy. On Board LED is added to indicate the power supply.

RP2040 is manufactured on a modern 40nm process node, delivering high performance, low dynamic power consumption, and low leakage, with a variety of low-power modes to support extended-duration operation on battery power.

Key Features : ADIY FLY RP2040 Basic Board Type C

• Pin-to-Pin Compatible with Raspberry Pi Pico

•  USB Type-C Connector for reliable and reversible connection

•  4MB Flash Memory for complex project storage

•  Dual-core Arm Cortex-M0+ processor, up to 133 MHz

•  264KB On-Chip SRAM

•  RESET Button for easy module operation

•  27 GPIO Pins, 4 supporting analog input

•  2 × UART, 2 × SPI, 2 × I2C Controllers, 16 × PWM Channels

•  1 × USB 1.1 Controller and PHY (Host and Device Mode)

•  Accurate On-Chip Clock and Temperature Sensor

•  8 × Programmable I/O (PIO) State Machines for custom peripheral support

•  Drag-and-Drop Programming via USB mass storage

•  Low Power Consumption with multiple power-saving modes

•  Simple, Flexible Power Supply Architecture (USB, external, or battery input)

•  Comprehensive SDK and Example Codes available

Technical Highlights

• Processor: Dual-core Arm Cortex-M0+

• Clock Speed: Up to 133 MHz

• SRAM: 264KB

• Flash Memory: 4MB

• Operating Voltage: 3.3V

• Input Voltage Range: 3.3V–5.5V

• GPIO Pins: 27 (4 Analog Inputs)

• USB Connector: Type-C

• On-board Components: RESET Button, Power LED

• Dimensions: Compact 2.54mm pitch through-hole layout

Applications

•  Robotics and Automation Projects

•  IoT Devices and Smart Systems

•  DIY Electronics and Prototyping

•  Educational STEM Projects

•  Embedded System Development

 

The ADIY FLY RP2040 Basic Board Type C offers the perfect balance of power, versatility, and accessibility — making it an ideal choice for anyone exploring microcontroller-based innovation.

ADIY HLK-B50 TTL is a BLE5.0 dual-mode Bluetooth-serial port transparent transmission module, which can support Bluetooth SPP and GATT transparent transmission at the same time. Various devices with serial ports can be easily and quickly transmitted through this module. Send and receive data wirelessly using Bluetooth.

 

Features:

• Wide operating voltage 3.5~6V. 
• Built-in 32-bit ARM Cortex M3 core, the main frequency can reach 48MHz,  
• Fast and stable Bluetooth-serial port transparent transmission, the serial port baud rate can reach 921600 by default 115200 baud rate.  
• Master-slave integrated Bluetooth BLE 5.0 can be set as master or slave mode, support binding encryption.  
• Dual-mode Bluetooth, data can be transparently transmitted through GATT or SPP, and can be connected at the same time.  
• Built-in Watchdog, reliable operation for a long time.

ADIY Pico RP2040 IO Expansion Shield  acts as a breakout board for the Pico RP2040. In addition, each pinout includes power and GND pins for easy connection to sensors or servos. Some of the pinouts include a 5V/3.3V selectable power making it easier to work with 5V and 3.3V digital devices. The unit comes partially/fully assembled. Just plug in your Pico and you are ready to go. Pico RP2040 IO Expansion Shield is specifically designed to facilitate an easy connection between Pico RP2040 and many other devices. In essence, it expands the Pico RP2040 controller to link those devices in a simple and trouble-free manner.  Saline Features:

• No need to solder, plug-and-play
• All pins led out can be easily connected by pins or pin headers
• Clear and descriptive pin labels for your reference

Features : ADIY Pico RP2040 IO Expansion Shield

• Power input via a barrel jack or VSYS header.
• 23 GPIO are digital-only (GND, power, and signal format).
• 8 GPIO ports with 5V/3.3V selectable power.
• 3 Analog pins with power output and GND.
• 16 PWM pins.
• 2 I2C ports with 3.3V power and 1 I2C port with a 5V/3.3V selectable power.
• 1 UART port with 3.3V power and 1 UART port with a 5V/3.3V selectable power.
• 1 SPI port with 5/3.3V selectable power.
• 1 AREF output and 1 AGND output.
• 1 SWD Port.
• 1 3.3V, 1A capable regulator output, available all through the board.
• 1 5V, 1A capable regulator output, available all through the board.
• 1 Reset button.
• 1 Power LED.

Specifications : ADIY Pico RP2040 IO Expansion Shield

• Input Voltage(V): 6 ~ 15
• No. of Analog Pins: 3
• No. of PWM Pin: 16
• Width (mm):  65
• Height (mm): 54
• Weight (gm): (need to measure)
• Shipment Weight: (need to measure)
• Shipment Dimensions : (need to measure)

ADIY HLK-B50 TTL is a BLE5.0 dual-mode Bluetooth-serial port transparent transmission module, which can support Bluetooth SPP and GATT transparent transmission at the same time. Various devices with serial ports can be easily and quickly transmitted through this module. Send and receive data wirelessly using Bluetooth.

 

Features:

• Wide operating voltage 3.5~6V. 
• Built-in 32-bit ARM Cortex M3 core, the main frequency can reach 48MHz,  
• Fast and stable Bluetooth-serial port transparent transmission, the serial port baud rate can reach 921600 by default 115200 baud rate.  
• Master-slave integrated Bluetooth BLE 5.0 can be set as master or slave mode, support binding encryption.  
• Dual-mode Bluetooth, data can be transparently transmitted through GATT or SPP, and can be connected at the same time.  
• Built-in Watchdog, reliable operation for a long time.

ADIY Pico RP2040 IO Expansion Shield  acts as a breakout board for the Pico RP2040. In addition, each pinout includes power and GND pins for easy connection to sensors or servos. Some of the pinouts include a 5V/3.3V selectable power making it easier to work with 5V and 3.3V digital devices. The unit comes partially/fully assembled. Just plug in your Pico and you are ready to go. Pico RP2040 IO Expansion Shield is specifically designed to facilitate an easy connection between Pico RP2040 and many other devices. In essence, it expands the Pico RP2040 controller to link those devices in a simple and trouble-free manner.  Saline Features:

• No need to solder, plug-and-play
• All pins led out can be easily connected by pins or pin headers
• Clear and descriptive pin labels for your reference

Features : ADIY Pico RP2040 IO Expansion Shield

• Power input via a barrel jack or VSYS header.
• 23 GPIO are digital-only (GND, power, and signal format).
• 8 GPIO ports with 5V/3.3V selectable power.
• 3 Analog pins with power output and GND.
• 16 PWM pins.
• 2 I2C ports with 3.3V power and 1 I2C port with a 5V/3.3V selectable power.
• 1 UART port with 3.3V power and 1 UART port with a 5V/3.3V selectable power.
• 1 SPI port with 5/3.3V selectable power.
• 1 AREF output and 1 AGND output.
• 1 SWD Port.
• 1 3.3V, 1A capable regulator output, available all through the board.
• 1 5V, 1A capable regulator output, available all through the board.
• 1 Reset button.
• 1 Power LED.

Specifications : ADIY Pico RP2040 IO Expansion Shield

• Input Voltage(V): 6 ~ 15
• No. of Analog Pins: 3
• No. of PWM Pin: 16
• Width (mm):  65
• Height (mm): 54
• Weight (gm): (need to measure)
• Shipment Weight: (need to measure)
• Shipment Dimensions : (need to measure)

ADIY LM2596 Buck Converter module (Fixed 7.5V) is an easy-to-use, nonsynchronous, step-down DC-DC converter. The module can deliver 7.5V constant output with DC current load of 3A with excellent line and load regulation. If the current exceeds 2A then heat sink is required. The recommended input is greater than 9V if the current draw is higher than 1A.
External shutdown is included, featuring typically 80μA standby current. Self-protection features include a two-stage frequency reducing current limit for the output switch and an over temperature shutdown for complete protection under fault conditions. 
 
Technical Specifications:

• Input Voltage: 9V – 40V DC
• Output Voltage: 7.5V DC 
• Output Current: 2A, Max 3A (Additional Heat Sink is required)
• Rectification: Non Synchronous Rectification
• Thermal shutdown and current-limit protection
• Excellent line and load regulation specifications
• High efficiency
• TTL shutdown capability
• Low power standby mode, IQ, typically 80μA

ADIY NE555 Pulse Frequency Duty Cycle Adjustable Module Square Wave Signal Generator is 5 V square wave signal generator. It generates a square wave signal used for experimental development. Also, use to drive a stepper motor for generating a square wave drive signal. 
The output duty cycle can fine-tune. Duty cycle and frequency is not separately adjustable, adjusting the duty cycle will change the frequency. 

The output frequency is adjustable: 
Period T = 0.7 (RA +2 RB) C RA, RB is 0-10K adjustable; Low profile when C = 0.001UF; IF stalls C = 0.1UF; High-frequency file C = 1UF; HF stalls C = 100UF; So buyers can calculate the frequency of the waveform. Application: 
As a square wave signal generator generates a square wave signal used for experimental development.Used to drive a stepper motor for generating a square wave drive signal.Generate an adjustable pulse for MCU.Generate an adjustable pulse, to control circuitry associated.Features : 
Generate an adjustable pulse for MCU.Generate an adjustable pulse, to control circuitry associated.The output current can be 15 MA around; when 12V power supply, the output current can 35 MA aroundOutput with LED indication (low level, LED will on; high level, LED will off; low frequency, the LED flashes).Max Output Current: >= ≥15MA (5V power supply, V-PP greater than 50%), >=35MA (12V power supply, V-PP greater than 50%)

ADIY Ai WB2 12F dev-Kit is a development board designed for Ai WB2 12F modules. Ai WB2 12F is a Wi-Fi & Bluetooth module developed by Shenzhen Ai Thinker Technology Co., Ltd. The module is equipped with a BL602 chip as the core processor and supports Wi-Fi 802.11b/g/n protocol and BLE 5.0 protocol. The BL602 chip has a built-in 32-bit RISC CPU with low power consumption, 276KB RAM, and a wide range of peripheral interfaces, including SDIO, SPI, UART, VDC, IR remote, PWM, ADC, DAC, PIR, and GPIO. It can be widely used on the Internet of Things (IoT), mobile devices, wearable electronic devices, smart homes, and other fields. 

Features: 

• DIP 30 package 
• Supports IEEE 802.11 b/g/n protocol 
• Wi Fi security supports WPS/WEP/WPA/WPA2 Personal/WPA2 Enterprise/WPA3 
• Supports 20MHz bandwidth with a maximum speed of 72.2 Mbps 
• Bluetooth BLE 5.0, Bluetooth Mesh 
• Supports Station + BLE mode, Station + Soft AP + BLE mode 
• Supports 32-bit RISC CPU and 276KB RAM 
• Secure Startup. Images with ECC 256 signatures are supported 
• Supports real time AES decryption (OTFAD) in QSPI and SPI Flash, and supports AES 128 CTR mode 
• Supports AES 128,192-, and 256-bit encryption engines 
• Supports SHA 1/224/256 
• Real random number generator (TRNG) 
• The public key accelerator (PKA) supports large numbers of basic operations. The software provides application interfaces such as signature and verification 
• Supports SDIO, SPI, UART, VDC, IR remote, PWM, ADC, DAC, PIR, and GPIO 
• Integrated Wi Fi MAC/BB/RF/PA/LNA/Bluetooth 
• Supports multiple sleep modes with a deep sleep current of 12μA 
• Quick Start of universal AT commands 
• Supports secondary development and integrates Windows and Linux development environments 

ESP32 (CP2102 Driver, 30 Pin) Wi-Fi + Bluetooth NodeMCU-32 Development Board) This development board is a powerhouse of power and connectivity. With robust Wi-Fi and Bluetooth capabilities, it opens up a world of possibilities. Its compact 30-pin design allows it to seamlessly integrate into various products, enabling endless creative options. What sets this board apart are its dual wireless modes.  Features: 

• Operating voltage/Power supply 3.0 V ~ 3.6 V (Typical 3.3V) 
• Operating current Average: 80 mA 
• Antenna on-board PCB antenna 
• Wi-Fi protocol - 802.11 b/g/n (802.11n up to 150 Mbps) 
• Bluetooth Protocols - Bluetooth v4.2 BR/EDR and Bluetooth LE specification 
• ROM 448 KB 
• SRAM 520 KB 
• Crystal 40 MHz crystal 
• SPI flash 4/8/16 MB 
• Operating temperature range –40 °C ~ +85 °C 
• Module interfaces- SD card, UART, SPI, SDIO, I2C, LED PWM, Motor PWM, I2S, IR, pulse counter, GPIO, capacitive touch sensor, ADC, DAC, Two-Wire Automotive Interface (TWAI®), compatible with ISO11898-1 (CAN Specification 2.0) 

ESP32 (CP2102 Driver, 30 Pin) Wi-Fi + Bluetooth NodeMCU-32 Development Board) This development board is a powerhouse of power and connectivity. With robust Wi-Fi and Bluetooth capabilities, it opens up a world of possibilities. Its compact 30-pin design allows it to seamlessly integrate into various products, enabling endless creative options. What sets this board apart are its dual wireless modes. 
Features: 

• Operating voltage/Power supply 3.0 V ~ 3.6 V (Typical 3.3V) 
• Operating current Average: 80 mA 
• Antenna on-board PCB antenna 
• Wi-Fi protocol - 802.11 b/g/n (802.11n up to 150 Mbps) 
• Bluetooth Protocols - Bluetooth v4.2 BR/EDR and Bluetooth LE specification 
• ROM 448 KB 
• SRAM 520 KB 
• Crystal 40 MHz crystal 
• SPI flash 4/8/16 MB 
• Operating temperature range –40 °C ~ +85 °C 
• Module interfaces- SD card, UART, SPI, SDIO, I2C, LED PWM, Motor PWM, I2S, IR, pulse counter, GPIO, capacitive touch sensor, ADC, DAC, Two-Wire Automotive Interface (TWAI®), compatible with ISO11898-1 (CAN Specification 2.0)

ESP32 Development board is based on the ESP32-WROOM-32UE Module, which consists of ESP32 series microcontroller from ESPRESSIF. It is a Wi-Fi + Bluetooth + BLE development board. The module has a 32-Bit Dual Core MCU, ultra-low power, based on 40 nm. technology. The module supports 802.11 b/g/n along with Bluetooth v4.2 BR/EDR and BLE specification. It has integrated 4/8/16 MB Flash, and up to 512 KB RAM. It can operate at up to 240 MHz Frequency. The ESP32 Development board is 30 pin board, with all the interfaces accessible. It sports a Type-C USB Connector, and USB to UART Bridge, reset and boot mode buttons, and an LDO regulator. Most of the important GPIOs are accessible on board. This board is useful to add high-capacity Wi-Fi, Bluetooth or BLE in any existing projects very rapidly. It also supports Lua scripting language, thereby making it easier to develop for the developers. Applications:- •Smart Home and Agriculture•Industrial Automation•Health Care•Consumer Electronics•Low-power IoT Sensor Hubs and IoT Data Loggers•Camera for Speech, Video, and image Streaming•SDIO Wi-Fi + Bluetooth Networking Card•Touch and Proximity Sensing

ADIY Ra-02 is a wireless transmission module based on SEMTECHs SX1278 wireless transceiver. It adopts advanced LoRa spread spectrum technology, with a communication distance of 10,000 meters. It has a strong ability of anti-jamming and has the function of air wake-up Consumption. The SX1278 RF module is mainly used for long-range spread spectrum communication, and it can resist Minimizing current consumption. The SX1278 has a high sensitivity of -148 dBm with a power output of +20 dBm, and a long transmission distance and high reliability. At the same time, compared with the traditional modulation technology, LoRa modulation technology has obvious advantages in anti-blocking and selection, which solves the problem that the traditional design scheme cannot consider the distance, interference and power consumption at the same time. It can be covering thousands of people in the district environment, particularly suitable for meter reading, smart home, burglar alarm equipment.

Features:

• LoRa Spread Spectrum modulation technology
• Constant RF power output at + 20dBm-100mW voltage change
• Half-duplex SPI communication
• Supports FSK, GFSK, MSK, GMSK, LoRa and OOK modulation modes
• Automatic RF signal detection, CAD mode and very high speed AFC
• Packet engine with CRC up to 256 bytes
• Small footprint dual-row stamp-hole patch package
• Shielded housing
• Spring Antenna

 
Specifications:

• Communication distance: 15Km
• Sensitivity: down to -148dBm
• Programmable bit rates: up to 300kbps
• RSSI dynamic range: 127dB
• Wireless frequency: 433MHz
• Working voltage: 1.8-3.7v
• Working temperature: -40 - +80

ADIY Pico RP2040 Evaluation Board with W5500, a cutting-edge microcontroller evaluation board from ADIY, merges the power of the Raspberry Pi RP2040 with the seamless Ethernet connectivity of the W5500. This innovative board retains the familiar Raspberry Pi Pico form factor while integrating Ethernet capabilities through the W5500.
Designed for simplicity and versatility, the W5500-EVB-Pico features a pinout directly linked to the RP2040 GPIO, mirroring the layout of the Raspberry Pi Pico. Notably, GPIO16 to GPIO21 is dedicated to facilitating SPI communication with the W5500 for Ethernet functionality. While utilizing the Ethernet feature, these pins are exclusively allocated and cannot serve other purposes.
Experience the convenience of enhanced connectivity and streamlined development with the W5500-EVB-Pico, an ideal solution for a myriad of IoT and networking applications.

Features:

• RP2040 microcontroller with 2MByte Flash
• Dual-core cortex M0+ at up to 133MHz
• 264kByte multi-bank high-performance SRAM
• External Quad-SPI Flash with execute In Place (XIP)
• High-performance full-crossbar bus fabric
• 30 multi-function General Purpose IO (4 can be used for ADC)
• 8-3.3V IO Voltage (NOTE. Pico IO voltage is fixed at 3.3V)
• 12-bit 500 ksps Analogue to Digital Converter (ADC)
• Various digital peripherals
• 2 × UART, 2 × I2C, 2 × SPI, 16 × PWM channels
• 1 × Timer with 4 alarms, 1 × Real Time Counter
• 2 × Programmable IO (PIO) blocks, 8 state machines total
• Flexible, user-programmable high-speed IO
• Can emulate interfaces such as SD Card and VGA
• Includes W5500
• Supports Hardwired Internet Protocols: TCP, UDP, ICMP, IPv4, ARP, IGMP, PPPoE
• Supports 8 Independent Hardware SOCKETs simultaneously
• Internal 32 Kbytes Memory for TX/ RX Buffers
• Supports High Speed Serial Peripheral Interface(SPI MODE 0, 3)
• USB type C port for power and data (and for reprogramming the Flash)
• 40 pin 21×51 ‘DIP’ style 1mm thick PCB with 0.1″ through-hole pins also with edge castellation
• 3-pin ARM Serial Wire Debug (SWD) port
• 10 / 100 Ethernet PHY embedded
• Supports Auto-Negotiation
• Full / Half Duplex
• 10 / 100 Based
• Built-in RJ45
• Built-in LDO
• W5500 TCP Function: wiznet w5500 evb pico
• By setting register and memory operation, W5500 provides internet connectivity.

 

ADIY LM2596 Buck Converter module is an easy-to-use, nonsynchronous, step-down DC-DC converter with a wide input voltage range up to 40V. The module can deliver up to 3-A DC load current with excellent line and load regulation. If the current exceeds 2-A then heat sink is required. The input should be maintained always greater than required output. The recommended minimum input voltage is 9V if the current draw is higher than 1A.Since LM2596 converter is a switch-mode power supply, its efficiency is significantly higher in comparison with popular three-terminal linear regulators, especially with higher input voltages.The LM2596 operates at a switching frequency of 150 kHz thus allowing smaller sized filter components than what would be needed with lower frequency switching regulators. Other features include a ±4% tolerance on output voltage under specified input voltage and output load conditions, and ±15% on the oscillator frequency. External shutdown is included, featuring typically 80μA standby current. Self-protection features include a two stage frequency reducing current limit for the output switch and an over temperature shutdown for complete protection under fault conditions.

Specifications and Features:- 

1. Input Voltage: 3.2V- 40V DC
2. Output Voltage: 3.3V
3. Output Current: 2A, Max 3A (Additional Heat Sink is required)
4. Rectification: Non-Synchronous Rectification.
5. Thermal shutdown and current-limit protection.
6. Excellent line and load regulation specifications.
7. High efficiency.
8. TTL shutdown capability.
9. Low power standby mode, IQ, typically 80μA

ADIY LM2596 Buck Converter module (Adjustable voltage) is an easy-to-use, nonsynchronous, step-down DC-DC converter with a wide input voltage range up to 40V. The voltage can be varied with the help of potentiometer. The module can deliver up to 3-A DC load current with excellent line and load regulation. If the current exceeds 2-A then heat sink is required. The input should be maintained always greater than required output.
Since LM2596 converter is a switch-mode power supply, its efficiency is significantly higher in comparison with popular three-terminal linear regulators, especially with higher input voltages. The LM2596 operates at a switching frequency of 150 kHz thus allowing smaller sized filter components than what would be needed with lower frequency switching regulators.
Other features include a ±4% tolerance on output voltage under specified input voltage and output load conditions, and ±15% on the oscillator frequency. External shutdown is included, featuring typically 80μA standby current. Self-protection features include a two stage frequency reducing current limit for the output switch and an over temperature shutdown for complete protection under fault conditions.  
 
Technical Specifications:

• Input Voltage: 3.2V- 40V DC 
• Output Voltage: 1.25V- 35V DC
• Output Current: 2A, Max 3A (Additional Heat Sink is required)
• Rectification: Non-Synchronous Rectification
• Thermal shutdown and current-limit protection
• Excellent line and load regulation specifications
• High efficiency
• TTL shutdown capability
• Low power standby mode, IQ, typically 80μA

N58 LTE GNSS Module – The Ideal Solution for M2M and IoT Applications
N58 LTE GNSS Breakout Board is a high-performance industrial LTE module built on the UNISOC UIS8910DM platform, designed specifically for M2M (Machine-to-Machine) and IoT (Internet of Things) applications. It supports multiple network modes, including GSM, FDD-LTE (Cat 1), and TDD-LTE (Cat 1), providing robust connectivity options for diverse IoT devices.
This versatile module features a wide range of hardware interfaces and supports audio, video, and Wi-Fi positioning, making it perfect for use in IoT communication devices such as wireless meter reading terminals, in-vehicle terminals, handheld POS systems, and industrial routers.

Key Features of Neoway N58 Module:

• Excellent RF performance for reliable communication
• Low power consumption for energy-efficient applications
• Ultra-wide operating temperature range, making it suitable for harsh environments
• Supports USB serial drivers for Windows 7/8/8.1/10, Linux, and Android

Applications N58 LTE GNSS Breakout Board:

• Energy metering
• Telematics and in-vehicle terminals
• Industrial routers and PADs
• Video surveillance systems
• Environmental monitoring solutions
• The N58 LTE Breakout Board integrates a variety of network protocols and offers industry-standard interfaces, making it an ideal solution for developers building IoT devices. It supports Firmware Over-the-Air (FOTA) and VoLTE, enhancing the functionality of connected devices.

ADIY BT986 TTL is a high-performance, highly integrated Bluetooth 5.2 BR/EDR/BLE, designed to operate on the 2400MHz to 2480 Mhz ISM frequency band.Abundant peripherals, power-on reset and UART, arithmetic accelerators further reduce the cost and size of the entire system.Support communicating with the FeasyBlue app and many other Bluetooth apps.By default, Feasycom standard firmware is built-in, and customized firmware is also available.

Features:

• 5VDC input power (Recommended)
  - Bluetooth 5.2 Classical/BLE Proprietary double-mode RF SOC
  - UART programming and data interface (baudrate can up to 921600 bps) 
• Digital Peripherals
  - UART  , up to 400 kbps
  - LED drive capability
  - AES256 HW encryption 
  - USB2.0 full speed,4Eps, support host mode  

• Dual Core Digital Architecture 
  - ARM Cortex-M0 Core for application 
  - CPU clock speed up to 192 Mhz 

• 2.4GHz Transceiver
  - Single-end RFIO  -95dBm in BLE mode   
  - Support 250kbps, 1/2/3 Mbps data rates

Relay Module 12V 1 Channel with Optocoupler offers a secure and efficient solution for controlling one device. Its optocoupler technology ensures reliable electrical isolation, making it ideal for various applications that require controlled switching.12V 1-Channel Relay Module with Optocoupler by ADIY is a Bidirectional isolation type 1-Channel relay control module, according to user needs, you can choose a high or low level to control the relay pull. The module uses genuine high-quality power relay, high-quality subminiature package optocoupler, high power high voltage transistor, red and blue signal indicator, layout board considered comprehensive, stable performance, can be widely used in a variety of power control applications. Normally open interface maximum load: AC 250V / 10A, DC 30V / 10A. The use of high-quality ultra-small optocouplers, anti-interference ability, stable performance; trigger current only 3mA. FEATURES : Relay Module 12V 1 Channel  with Optocoupler 

• ADIY Brand Relay module and high quality and efficiency.
• 1-Channel Relay interface board,
• Equiped with high-current relay : 15A @ 125V or 10AA @ 250V A
• Standard interface that can be controlled directly by microcontroller (Arduino , 8051, AVR, PIC, DSP, ARM)

The Relay Module 12V 1 Channel with Optocoupler is a compact and reliable device designed to provide seamless and secure control over a single device. Whether you're a hobbyist or a professional working on automation projects, this relay module is a valuable addition to your toolkit. Operating at 12V, this relay module is compatible with a wide range of applications and devices. Its low power consumption and high switching capacity make it suitable for various setups, including home automation, robotics, industrial control, and IoT applications.The optocoupler technology utilized in this module ensures electrical isolation between the input and output, protecting your microcontrollers, control boards, and other sensitive components from voltage spikes and potential damages. This feature enhances the overall safety and reliability of your projects. With a user-friendly design and clear labeling, integrating the Relay Module 12V 1 Channel with Optocoupler into your projects is a straightforward process. The module's compact size allows for easy placement and neat wiring, minimizing the clutter in your setup.The Relay Module 12V 1 Channel with Optocoupler is engineered for optimal performance and longevity. It is capable of handling various loads, making it suitable for controlling lights, motors, appliances, and other electronic devices.

 

Upgrade your projects with this reliable and efficient 12V 1-channel relay module, and experience the convenience of secure device control like never before.  Package Information:1x Relay Module 12V 1 Channel with Optocoupler

Relay Module 5V 1 Channel offers a simple and effective solution for controlling one device with ease. With its 5V operating voltage and versatile design, this relay module is perfect for various electronics projects and automation applications.

5V Single Channel Relay Module with Optocoupler is designed for switching only a single high-powered device from your Arduino. It has a relay rated up to 10A per channel at 250VAC or 30VDC. There are two LEDs on the relay module indicating the position of the relay. We have three channels of the relay broken out to screw pin terminals.The channels are labelled for their function: common (COM), normally closed (NC), and normally open (NO). On the other side of the module, there are three pins – a Ground pin and a VCC pin to power the module and an input pin IN to control the relay. The input pin is active low, meaning the relay will be activated when you pull the pin LOW, and it will become inactive when you pull the pin HIGH.

FEATURES : Relay Module 5V  1 Channel 

• Supply voltage – 3.75V to 6V
• Quiescent current: 2mA
• Current when the relay is active: ~70mA
• Relay maximum contact voltage – 250VAC or 30VDC
• Relay maximum current – 10A

5V Relay Module provides a reliable and efficient solution for controlling devices with ease. Operating at 5V, this versatile relay module is suitable for various electronics projects and automation applications.1 channel 5v relay module is designed for switching only a single high powered device from your Arduino. It has a relay rated up to 10A per channel at 250VAC or 30VDC. There are two LEDs on the relay module indicating the position of the relay. We have three channels of the relay broken out to screw pin terminals. The channels are labeled for their function: common (COM), normally closed (NC), and normally open (NO). On the other side of the module, there are three pins – a Ground pin and a VCC pin to power the module and an input pin IN to control the relay. The input pin is active low, meaning the relay will be activated when you pull the pin LOW and it will become inactive when you pull the pin HIGH.FEATURES : 5V Relay Module

• Trigger Voltage: 5 VDC
• Trigger Current : 20 mA
• Maximum Switching Voltage: 250VAC@10A; 30VDC @10A
• Single Pole Double Throw (SPDT) Configuration
• Power supply indicator lamp
  
  

*Images are representative and may not perfectly match the actual product.

An adjustable potentiometer, 10K Potentiometer Module can open up many interesting user interfaces. Turn the pot and the resistance changes. Connect VCC to an outer pin, GND to the other, and the centre pin will have a voltage that varies from 0 to VCC depending on the rotation of the pot.

Hook the centre pin to an ADC on a microcontroller and get a variable input from the user.A potentiometer is Pre-mounted on a PCB board and 3 output berg connector pin are available for easy connections and disconnections of the module in your project

Specifications:

1. Resistance: 10K
2. Operating Voltage: +5V DC
3. Output signal: Analog signal
4. Dimensions: 18 x 23 x 25 mm(LxWxH)

 Applications:

• Volume control
• Light dimmers
• Calibration and tuning
• Motor speed control

The Relay Module 2 Channel with Optocoupler 12V offers a secure and efficient solution for controlling two devices independently. With its optocoupler technology, this relay module ensures reliable and safe switching, making it an ideal choice for various applications.
2 Channel 12V Relay Module with Optocouple by ADIY is a interface board and can be controlled directly by a wide range of microcontrollers such as Arduino, AVR, PIC, ARM and so on. With digital outputs to control larger loads and devices like AC or DC Motors, electromagnets, solenoids, and incandescent light bulbs. This module from ADIY is designed to be integrated with 2 relays that it is capable of control 2 relays. The relay shield use high-quality relay with rated load 10A/250VAC,10A/125VAC,10A/28VDC.
FEATURES : Relay Module 2 Channel with Optocoupler 12VEquipped with high-current relay 10A@250VAC / 10A@30VDCIt can control both AC and DC appliances such as Solenoids, Motors, lights, fans, etcHigh-quality screw terminals (Terminal Block) provided (C, NC, NO) for quick and easy connectionA freewheeling diode to protect your microcontrollerInput Signal Pin connected to Burg stick for easy accessibilityLED status indicators to indicate the relay ON/OFF status

5V Relay Module 2 Channel provides a reliable and efficient solution for controlling two devices independently. With its low operating voltage and versatile design, this relay module is perfect for various electronics projects and automation applicationsADIY 5V Dual Channel Relay Module contains two relays that are electrically isolated from the controlling input. The relays can be used to switch higher voltage and current loads than a microcontroller can traditionally accomplish. ADIY 5V Dual Channel Relay Module be used to control various appliances, and other equipment with large current. It can be controlled directly with 3.3V or 5V logic signals from a microcontroller (Arduino, 8051, AVR, PIC, DSP, ARM, ARM, MSP430, TTL logic). 
FEATURES : 5V Relay Module 2 ChannelLow Level Trigger Relay ModuleTwo separate LEDs for On/Off indication of the Relay.Triggering input voltage 3.3V – 5VTwo separate LEDs for On/Off indication of the RelayTriggering input voltage 3.3V – 5V 4)Back EMF protectionBack EMF protection 2 LEDs to indicate when relays are ON.Works with logic level signals from 3.3V or 5V devicesOpto isolation circuitryModule with diode current protection, short response timeAC Control Voltage: 250V @max.10ADC Control Voltage: 30V @max. 10A

3 Channel Relay Board allows you to control larger loads and devices like AC or DC motors, fans, light bulbs etc. Specifications: 3 Channel Relay Board  5V    • Reverse polarity protection.   • Screw terminals for relay connections.   • Each Relay has an LED to indicate when relay is operated.   • Signal input for direct connection to Microcontroller, Arduino or any TTL output pins.   • Use 5V, 6V, 9V, 12V, 18V and 24V 5Pin relay.

Features:3 Channel Relay Board  5V

• Standard Raspberry Pi 40PIN GPIO extension header, supports Raspberry Pi series boards
• High-quality relays, loads up to 5A 250V AC or 5A 30V DC
• Photo coupling isolation, prevent interference from high voltage circuit
• Onboard LEDs for indicating relays status
• Standard Raspberry Pi 40PIN GPIO extension header, supports Raspberry Pi series boards
• High-quality relays, loads up to 5A 250V AC or 5A 30V DC
• Photo coupling isolation, prevent interference from high voltage circuit
• Onboard LEDs for indicating relays status
• Relay control jumper, allows to control the relays by custom pins other than the default pins
• Comes with development resources, including examples in wiringPi, WebioPi, shell, python, and bcm2835

Product Introduction:

• 1.Size:63*42*20mm
• 2.Power Supply Voltage:5V
• 3.Trigger Level:3V-7V trigger
• 4.Trigger Current:5mA
• 5.Control Voltage:AC 0-250V or DC 0-30V
• 6.Control Current:0-7A
• 7.Function:weak current control strong current (low voltage control high voltage;level signal control mechanical signal)

 Using Method:This module is high level trigger,on-board pin marked GND(RGND)5V is respectively relay 5V power negative and positive;CH1,CH2,CH3 is control port,high level trigger;that is to say,after module power on,control port receives high level,the relay will be connected Package Included: 1PCS*3 Channel Relay Module With Optocoupler Isolation Opto-isolated Compatible 3.3V 5V Signal High-voltage Relay Package Includes:1 x ADIY 3 Channel Relay Module

The 12V 4-channel relay module is a versatile and efficient solution for controlling up to four devices simultaneously. Its robust design ensures reliable performance, making it an ideal choice for automation projects.This is ADIY 4 Channel Relay interface board that allows you to control various appliances, and other equipment’s with large current. It can be controlled directly by Micro-controller (Arduino, Raspberry Pi, 8051, AVR, PIC, DSP, ARM, ARM, MSP430, TTL logic).

12V Relay Module 4 Channel 

• 4-Channel Relay interface board and each one needs 15-20mA Driver Current.
• Both controlled by 12V and 5V input Voltage.
• Equipped with high-current relay, AC250V 10A ; DC30V 10A.
• Standard interface that can be controlled directly by microcontroller (Arduino, 8051, AVR, PIC, DSP, ARM, ARM, MSP430, TTL logic active low).
• Indication LED’s for Relay output status.

This 6 Channel Relay Board is a 12V Boar, it  meets the safety standard as control areas and load area have the isolation groove. Optical coupling isolation module.The triggering of the 6 Road/Channel Relay Module is reliable, more stable. The double FR–4 circuit board design, high-end SMT process. It has power and relay operation instructions. Relays terminals (C, NC, NO) are accessible through screw terminals which makes wiring up the board very easy.The inputs of the 8 Channel 12V Relay Module are isolated to protect any delicate control circuitry.A wide range of microcontrollers such as Arduino, AVR, PIC, ARM and so on can control it.The use of such high-voltage relay eliminates the risk of heating up of the relay as electromechanical relay limit the current consumption in accordance with a voltage rating. 

• Operating Voltage: 12V DC
• Equipped with high-current relay 10A@250VAC / 10A@30VDC
• It can control both AC and DC appliances such as Solenoids, Motors, lights, fans, etc
• High-quality screw terminals (Terminal Block) provided (C, NC, NO) for quick and easy connection
• Freewheeling diode to protect your microcontroller
• Input Signal Pin connected to Burg stick for easy accessibility
• LED Status indicators to indicate the relay ON/OFF status
• Mounting holes provided

6 Channel Relay Board 5V - It is a 5V 6 Channel Low-Level Relay Module with Light Coupling. The relay normally open interface maximum load: AC 250V/10A, DC 30V/10A. With optocoupler isolation, strong drive capability, stable performance; trigger current 5mA, module working voltage: DC 5V. Each channel of the module can be triggered by a jumper to set a high level or a low level. Fault-tolerant design, even if the control line is disconnected, the relay will not move. With status indicator: power (green), 6-channel relay status indicator (red). All module size interfaces can be directly connected through the terminal block, which is convenient and practical.6 Channel Relay Board 5V - Features

• Operating Voltage: 5V DC
• Max. Current: 20 mA
• Channel: 6
• Current Capacity at AC250V: 10A
• Current Capacity at DC30V: 10A

Because the Arduino (and Basic Stamp) are 5V devices, and most modern sensors, displays, flash cards and modes are 3.3V-only, many makers find that they need to perform level shifting/conversion to protect the 3.3V device from 5V. 

There are some other handy level shifters available in the market, from the DIP 74LVC245 to the fancy bi-directional TXB0108. However, neither of these are happy to work with I2C, which uses a funky pull-up system to transfer data back and forth. This level shifter board combines the ease-of-use of the bi-directional TXB0108 with an I2C-compatible FET design following NXP's app note. 

This breakout has 4 2N7002 FETs with 10K pull ups. It works down to 1.8V on the low side, and up to 10V on the high side. The 10K's do make the interface a little more sluggish than using a TXB0108 or 74LVC245 so we suggest checking those out if you need high-speed transfer. 

While we designed it for use with I2C, this works as well for TTL Serial, slow <2MHz SPI, and any other digital interface both unidirectional and bidirectional. Comes with a fully assembled, and tested PCB with 4 full bidirectional converter lines as well as 2 pieces of 6-pin header you can solder on to plug into a breadboard or perfboard. 

Features and Specifications 

• Number of Channels 4
• Voltage on Lv Side 1.8V-5V
• Voltage on Hv Side 2.8V-6V
• Power 2.8V – 6V
• Length (mm) 20
• Width (mm) 16
• Height (mm) 3
• Weight (gm) 2 

 

Package Includes:

• 1 x I2C Logic Level Converter 4 Channel

 

Resources:

 

• Usage Guide
• The NXP app note explaining how it works
• BSS138 Datasheet

ADIY CP2102 USB to Serial Interface Module is a plug and play module based on Max232 IC to convert RS232 level to USB via CP2102 easily. The board has got 1 LED for power indication. Installs virtual Serial COM Port on your PC through USB so any software can connect to your end device having UART/RS232 port. The UART port is exposed via a 4 pin 0.1″ standard vertical header, and the RS232 port is exposed via a DB9 Male connector just like what you can find on the back of old PC’s motherboards. Note that the UART port uses 3.3V logic.

Features:- USB to Serial RS232 Converter

• Standard RS232 interface
• USB Type B Connector
• The output header is standard DB9 Male
• UART Header, 4 pins, 3.3V logic
• Works out of the box without any configuration

ADIY DHT11 Sensor With PCB is a basic, ultra-low-cost digital temperature and humidity sensor. It uses a capacitive humidity sensor and a thermistor to measure the surrounding air and spits out a digital signal on the data pin (no analog input pins needed). It is fairly simple to use but requires careful timing to grab data. The only real downside of this sensor is you can only get new data from it once every 2 seconds.

Features and Specifications:

• Low cost
• 3 to 5V power and I/O
• 2.5mA max current use during conversion (while requesting data)
• Good for 20-80% humidity readings with 5% accuracy
• Good for 0-50°C temperature readings ±2°C accuracy
• No more than 1 Hz sampling rate (once every second)
• Body size 15.5mm x 12mm x 5.5mm
• 4 pins with 0.1" spacing

ADIY Flame Sensor Module can detect flames in the 760 – 1100 nanometer wavelength range. Small flames like a lighter flame can be detected at roughly 0.8m. The detection angle is roughly 60 degrees and the sensor is particularly sensitive to the flame spectrum.An on-board LM393 op-amp is used as a comparator to adjust the sensitivity level. The sensor has a digital and analog output and sensitivity can be adjusted via the blue potentiometer.

Specifications: ADIY Flame Sensor Module

• Comparator chip LM393 makes module readings stable.
• Operating voltage 3.3V-5V.
• Fast Response Time
• Sensitivity adjustable
• Detects a flame or a light source of a wavelength in the range of 760nm-1100 nm.
• Detection range: up to 100 cm.
• Adjustable detection range.
• Detection angle about 60 degrees, it is sensitive to the flame spectrum.

Features: ADIY Flame Sensor Module 

• High Photo Sensitivity
• Fast Response Time
• Sensitivity adjustable
• Detects a flame or a light source of a wavelength in the range of 760nm-1100 nm.
• Detection range: up to 100 cm.
• Adjustable detection range.
• Detection angle about 60 degrees, it is sensitive to the flame spectrum.
• Comparator chip LM393 makes module readings stable.
• Operating voltage 3.3V-5V.
• Digital and Analog Output. 
• Power indicator and digital switch output indicator.

ADIY FLY Pico RP2040 Basic With SD Card Holder (Type C)ADIY FLY basic comes with a large on-chip memory, symmetric dual-core processor complex, deterministic bus fabric, and rich peripheral set augmented with a unique Programmable I/O (PIO) subsystem, RP2040 provides professional users with unrivalled power and flexibility. ADIY FLY pairs RP2040 with 4MB of Flash memory, and a power supply chip supporting input voltages from 1.8-5.5V. It provides 26 GPIO pins, three of which can function as analogue inputs. ADIYFLY has SD card slot installed. The RESET button on ADIY FLY makes the usage of the module easy.RP2040 is manufactured on a modern 40nm process node, delivering high performance, low dynamic power consumption, and low leakage, with a variety of low-power modes to support extended-duration operation on battery power.

Key Features : ADIY FLY Pico RP2040

• Compact Form Factor: 21 mm × 51 mm
• Dual-core Arm Cortex-M0+ CPU running at 133 MHz
• Memory: 264KB SRAM, 4MB on-board Flash
• GPIO Pins: 26, including 3 analog inputs
• SD Card Slot: Included for additional storage
• RESET Button for easy module operation
•  Input Power: 1.8–5.5V DC
• Operating Temperature: -20°C to +85°C
• Drag-and-Drop Programming via USB mass storage
• Peripherals: 2 × UART

Applications : ADIY FLY Pico RP2040

• IoT Devices and Data Logging Projects
• Robotics and Automation Systems
• Embedded Systems Development
• DIY Electronics and STEM Education

The ADIY FLY Pico RP2040 Basic With SD Card Holder (Type C) combines flexibility, reliability, and ease of use — perfect for beginners and advanced developers looking to create innovative embedded projects.

ADIY GSM SIMA7670C 4G/2G LTE Breakout Board

The ADIY GSM SIMA7670C 4G Breakout Board is a compact LTE Cat 1 module supporting GSM/GPRS, LTE-FDD/TDD, EDGE, SMS, and low-power operation. Features UART, USB, I2C, GPIO, and SIM card support for IoT and industrial applications.

Features : ADIY GSM SIMA7670C 4G BREAKOUT BOARD

• LTE Cat 1 Module supporting LTE-FDD/TDD, GSM, GPRS, EDGE

• Max 10 Mbps Downlink / 5 Mbps Uplink

• Ultra-low sleep mode current: <2.5 mA

• Multiple industrial-standard interfaces: UART, USB, I2C, GPIO

• AT command control compatible with SIM7500/SIM7600 series

• Nano SIM Card holder

• SMS support (MT, MO, CB, Text, PDU mode)

• Audio interfaces: PCM digital, MIC input, SPK output

• Compatible with Windows, Linux, Android

• Main antenna interface for LTE/GSM networks

Applications : ADIY GSM SIMA7670C 4G BREAKOUT BOARD

• IoT Devices & Embedded Systems

• Telematics & Vehicle Tracking

• Surveillance & Security Systems

• Point of Sale (POS) Systems

• Industrial Routers & Remote Diagnostics

• SMS and Data Communication Projects

Package Includes

 

• 1 × ADIY GSM SIMA7670C 4G/2G Breakout Board

• 1 × Nano SIM Card Holder (pre-installed)

• 1 × User Manual / Quick Start Guide

The SIM A7670C 4G LTE breakout Board is a Cat 1 module that supports wireless communication modes of LTE-TDD/LTE-FDD/GSM/GPRS/EDGE. It supports a maximum 10Mbps downlink rate and a 5Mbps uplink rate It supports a maximum 10Mbps downlink rate and a 5Mbps uplink rate. This board features a serial interface and is based on the SIMCOM A7670C LTE modem. The serial interface allows for simple communication with a computer or laptop via a USB to Serial adapter or TTL converter. AT instructions are used to communicate with the A7670C. The SIM A7670C 4G LTE Development Board is designed keeping in mind the requirements of the user. It has various pinouts from the module, such as RING – used to detect incoming calls, DTR – to use the 4G Module in ultra-low power sleep mode, NET LIGHT – in case the developer wants to use external LED to indicate network status, RESET – developer can use this pin to connect with MCU and reset the module if required.

This SIM A7670C 4G breakout Board has a UFL connector, which allows connection of any antenna with this board. Apart from this, the module is very compact in size. It can be easily embedded in any customized PCB.

The SIM A7670C 4G Breakout Board supports multiple built-in network protocols likeTCP, MQTT, HTTP, HTTPS, FTP, FTPS etc., supports drivers for main operation systems (USB driver for Windows, Linux and Android etc.) and software function, AT commands are compatible withSIM7500/SIM7600 series modules.

Features: 

1. Suitable For: 4G, LTE Networks, Data, SMS, Call
2. Supports: LTE-TDD/LTE-FDD/GSM/GPRS/EDGE
3. Control via: AT commands
4. SIM Holder Type: Nano SIM Card
5. LED Status: Power ON LED and Network Status LED
6. Powerful TCP/IP protocol stack for internet data transfer
7. Onboard Antenna: U.FL Male Connector
8. On board UART logic level conversion
9. Operating temperature: -40 to 85°C
10. Abundant software functions: FOTA, LBS, SSL

Applications: 

 

• IoT applications
• Telematics
• Surveillance devices
• M2M communication
• Industrial routers
• Remote Diagnostics
• Power station monitoring and control.
• Traffic signals monitor and control.
• Water, gas and oil flow metering.
• Parking meter and Taxi Monitor. Telecom equipment supervision (Mobile base station, microwave or optical relay station).

ADIY GSM SIMA7670C 4G LTE Board V1.1

The ADIY GSM SIMA7670C 4G LTE Board V1.1 is a high-performance Cat-1 LTE development board designed for IoT, telematics, surveillance devices, industrial routers, and remote diagnostics.

Powered by the SIMCOM A7670xx LTE modem, it supports LTE-FDD/TDD networks, with maximum 10 Mbps downlink and 5 Mbps uplink speeds. The board includes a Nano SIM holder, U.FL antenna connector, and UART logic level conversion for easy communication with computers or microcontrollers using AT commands.

With a sleep mode power consumption <10mA and LM39302 voltage regulation (supports input as low as 9V), it is ideal for battery-powered applications. This module supports multiple built-in network protocols like HTTP, HTTPS, FTP, FTPS, and is compatible with Windows, Linux, and Android systems.

Features : ADIY GSM SIMA7670C 4G LM39302 Board V1.1

• Supports LTE-FDD and LTE-TDD networks

• Max 10 Mbps downlink / 5 Mbps uplink

• AT command control compatible with SIM7500/SIM7600 series

• Nano SIM Card Holder

• Power LED and Network Status LED

• Supported Bands: LTE-FDD B1/B3/B5/B8, LTE-TDD B34/B38/B39/B40/B41

• On-board pins: RING, NETLIGHT, STATUS, DTR, Reset

• On-board audio pins: Speaker & Microphone

• Ultra-low sleep mode current <10mA

• TCP/IP protocol stack for internet data transfer

• Software functions: FOTA, LBS, SSL

• U.FL connector for external antenna

• UART logic level conversion on-board

Applications : ADIY GSM SIMA7670C 4G LM39302 Board V1.1

• IoT Devices & Embedded Systems

• Telematics & Vehicle Tracking

• Surveillance & Security Systems

• Industrial Routers & Remote Diagnostics

• Remote Data Communication Projects

• LTE-based SMS and Internet Applications

Package Includes : ADIY GSM SIMA7670C 4G LM39302 Board V1.1

• 1 × ADIY GSM SIMA7670C 4G LTE Board V1.1

• 1 × Nano SIM Card Holder (pre-installed)

• 1 × User Manual / Quick Start Guide

ADIY 4G LTE modem with SIM card socket, SMA antenna connector, DC power jack, and an RS232 interface supports wireless communication modes of LTE-TDD/LTE-FDD/GSM/GPRS/EDGE.

This board is built around the SIMCOM A7670C LTE module and comes with an RS232 interface. The RS232 interface enables easy connection with the computer or laptop using a USB to Serial connector or to the microcontroller using an RS232 to TTL converter. A 3-pin header also exposes a 1.8V level UART interface for direct interfacing with microcontrollers. Communication with A7670C is done using AT commands.

 

Technical Specifications:

• Suitable for LTE and GSM networks.
• DC Jack input voltage: 9-12V
• Supports LTE-FDD, LTE-TDD, and GSM, frequency bands.
• Control via AT commands.
• In-built SIM Card Holder.
• Power LED and Network Status LED.
• Powerful TCP/IP protocol stack for internet data transfer.
• Supports maximum 10Mbps downlink rate and 5Mbps uplink rate.
• Abundant software functions: FOTA, LBS, SSL
• RS232 DB9 Connector interface.
• SMA connector for external antenna.
• 1.8V UART header.
• Recommended Sim card: JIO 4G Sim

Resources:

1. PINOUT

ADIY A7670E 4G/2G breakout board module supports wireless communication modes of LTEFDD/GSM/GPRS/EDGE GSM/GPRS. It supports maximum 10Mbps downlink rate and 5Mbpsuplink rate. The ADIY SIM_A7670E is compatible with SIM7000/SIM7070 series, The ADIY SIM_A7670E module which enables smooth migration LTE Cat-1(4G)/2G products, and greatly facilitates more compatible product design for the customer needs. 

The ADIY SIM_A7670E board supports multiple built-in network protocols, it is suitable for IOT applications like remote information processing, monitoring devices, industrial routers, remote diagnosis, powerful expansibility, telematics and surveillance devices etc.

Applications: SIM A7670E Module

• IoT applications
• Telematics
• Surveillance Devices
• POS, Industrial Routers

ADIY L293D Motor Driver Module is a medium power motor driver perfect for driving DC Motors and Stepper Motors. It uses the popular L293 motor driver IC. It can drive 4 DC motors on and off or drive 2 DC motors with directional and speed control. 

The driver greatly simplifies and increases the ease with which you may control motors, relays, etc from micro-controllers. It can drive motors up to 12V with a total DC current of up to 600mA. 

You can connect the two channels in parallel to double the maximum current or in series to double the maximum input voltage. This motor driver is perfect for robotics and mechatronics projects for controlling motors, switches, relays, etc from microcontrollers. Perfect for driving DC and Stepper motors for micro mouse, line-following robots, robot arms, etc.

 

Features of L293D Motor Driver Board

• Wide supply voltage: 4.5 V to 12 V. 
• Max supply current: 600 mA per motor. 
• Male berg-stick connectors for supply, ground, and input connection. 
• Screw terminal connectors for easy motor connection. 
• High noise immunity inputs.

 Resources:

1. PINOUT

Package Includes :

• 1 x L293D Motor Driver Module.

ADIY Light Dependent Resistor – LM393 LDR’s resistance is very high in the darkness, almost as high as 1MΩ but when there is the light that falls on the LDR, the resistance falls down to a few K (10-20KΩ @ 10 lux, 2-4K @ 100 lux) depending on the model.The module produces an output voltage according to the resistance of the LDR and is made available at Analog Output (AO) pin. The same signal is fed to an LM393 High Precision Comparator to digitize it and is made available at a Digital Output (DO) pin. The module has a built-in potentiometer for sensitivity adjustment of the digital output (DO). You can set a threshold by using a potentiometer; So that when the incident light level on the LDR exceeds the threshold value, the module will output LOW otherwise HIGH.Apart from this, the module has two LEDs. The Power LED will light up when the module is powered. The Status LED will light up when the digital output goes LOW.  Features :ADIY LDR Module

• Mounting hole
• Power and Signal indicator LED’s
• Analog and Digital Out
• Adjustable threshold (via potentiometer)
• Input Voltage (V): 3.3 to 5 

 Package Includes :

• 1 x LDR Module.