On the Uno R4 Minima and Uno R4 WiFi, pin 13 is made an output after reset, so if you do: void setup() { Serial.begin(9600); delay(5000); } void loop () { Serial.println(digitalRead(13)); delay(1000); ...
I attached upwards female headers on my Arduino PortentaH7 so that the Vision shields can also plug into it using the bottom located 80 pin HD connectors. (Female headers facing up would be a good ...
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