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I was able to set the BAUD rate correctly on a HC-06 module from a Pro Micro Arduino, but I can't connect to the board using this module. If I take this bluetooth module and I add it to my UNO it ...
This comprehensive Arduino RFID tutorial teaches you how to interface RFID (Radio Frequency Identification) technology with Arduino microcontrollers using the popular RC522 RFID module.Arduino RFID ...
So the TX and RX leds are driven by a couple of pins on the ATmega32U4 (see a comment on the hardware connection below) to make it look like they are on the serial bus. They were not intended to be ...
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