3)Dont do the hardware setup until the program is uploaded in the on the Arduino uno 4)Download the usb serial.hex (https://github.com/arduino/Arduino/blob/master ...
This program tests commands from the Serial and Button to control 2 LED and a 5V Relay Module (jqc3f-5vdc-c). #include <Arduino.h> /* Commands a: change LED1 s: change LED2 r: change relay d: change ...
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