Arduino Cduino Uart To Wifi Module Hlk-Rm04 Rm04 Shield Extension Board Atmega 328P Uno R3 Serial Interface Directly Debugging 1 In 2

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  • This Arduino kit is very convenient to use. You can communication with other deveices (like PC, mobile phone, mobile tank/car) by WIFI, Blutetooth, andZigbee/Xbee based on the Cduino base board. Therefore, you can carry out your many experiments and innovative ideas by this kit.


  • Stable, reliable, high quality,convenience;

  • 100% compatible with Arduino UNO R3 control board;

  • Bluetooth, WiFi, Zigbee 3 in 1 extension board


  • Name: 2 in 1Arduino UNO development kit(100% compatible with Arduino);

  • Working voltage: 5-12V

Shipping List

  • Cduino base board:1pcs

  • WIFI module:1pcs


  • Please open the attached JPG file. That is, when you download the code to the Arduino board,please adjust the SW1 to O (means "Off", i.e., cut off the connection between Arduino board and Extension board to avoid the interface); when you finish the download, please adjust the SW1 to C (means "Connection",i.e., connect the Arduino board and Extension board for the communication)




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