Hello, I have some problems/issues programming an Arduino Pro Mini 5V with ATMega 328 running at 16MHz. For uploading a sketch I use a USB Serial Light Adapter from DFRobot ( USB Serial Light Adapter (Arduino Compatible) - DFRobot ), it has a jumper to sellect either 3.3V or 5V as VCC. The problem:…

Uploading sketch and serial communication with Arduino Pro Mini

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