• CNC Shield V3 Engraving Machine / 3D Printer / + 4pcs A4988 Driver Expansion Board for Arduino

    This expansion board as a driver expansion board, can be used for engraving machines, 3D printers.
    It is a total of four slots, can drive four A4988 stepper motor. Each road stepper motors only need two IO ports. In other words, six IO ports can be well managed three stepper motors. Very convenient to use.
  • D1 Mini ESP8266 Wi-Fi Development Board

    D1 Mini Nodemcu Lua WIFI Expansion Board Support OTA Launch Internet Development Board for Arduino Compatible with WeMos D1 Mini
    1. Introduction: The WiFi Development Board is D1 mini, which is a mini NodeMcu Lua WiFi board based on ESP-8266EX.
    2. Compatible with WeMos D1 Mini: The D1 Mini NodeMcu Lua 4M byte WLAN WiFi Internet WiFi Development Board is based on the ESP8266 ESP-12F for Arduino and is compatible with WeMos D1 Mini. It can be programmed in an Arduino IDE compatible environment.
    3. 11 Digital Input/Output Pins: The Expansion Board has 11 digital input/output pins, all of which have interrupts/PWM/I2C/support for 1 wire (excluding D0); 1 analog input (maximum 3.2V input). Micro USB connection; Compatible with Arduino; 1MB flash memory; 500mA resettable fuse.
    4. Switching Power Supply: The Internet Development Board has a 4M byte. 5V 1A switching power supply (switching power supply) onboard.
    5. 2 Options: The WiFi Development Board has Micro and Type-C2 options for you to choose from.


  • UNO R3 Development Board ATMEGA328P CH340 / ATEGA16U2

    This version is in the original version of the optimization, mainly for foreign customers on product quality and functional requirements of the case of high design, both to ensure that the original and fully compatible with the same, but also easy to use.

    1 completely solve the traditional for UNO board win7 and win8 system is not compatible with the above instability. Especially in the pirated 64-bit WIN7 system, the official board can not be installed driver, and this version is very simple and easy to install.
    2. Increase the pin socket, easy to use DuPont line.
    3. Replace the 16u2, so that the cost reduced to half, consumers get the most benefits

    Download the program simple and convenient. You can simply use the sensor, a variety of electronic components connected (such as: LED lights, buzzers, buttons, photoresistors, etc.), to make all kinds of interesting works.
    The use of high-speed microprocessor controller (ATMEGA328), the development of user interface and environment are very simple, easy to understand, very suitable for beginners to learn.
    Performance description
    I / O digital input / output terminals 0 ~ 13.
    I / O analog input / output terminals 0 ~ 5.
    Support ISP download function.
    Input voltage: connected to the computer USB without external power supply, external power supply 5V ~ 9V DC voltage input.
    Output voltage: 5V DC voltage output and 3.3V DC voltage output.
    Using Atmel Atmega328 microprocessor controller

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