Hi guys, please help me. I expect blinking. [image] [image] This code works good: void setup() { pinMode(9, OUTPUT); } void loop() { digitalWrite(9, HIGH); delay(1000); digitalWrite(9, LOW); delay(1000); } but with python pyserial doesn't work: I have…

Can't send data from python to arduino

Robin2 May 19, 2018, 7:45am 3

This Python - Arduino demo may help get you started.

...R

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