Hi,
I’am new to Heltec boards and also Lora. I want to read an analog signal form the Heltec board, but it is not working.
What pins can I use?
Maybe I do something wrong in the code. Hereby the code
int lightPen=A13;
int lightVal;
int dt=1000;
void setup() {
// put your setup code here, to run once:
Serial.begin(9600);
pinMode(lightPen,INPUT);
}
void loop() {
// put your main code here, to run repeatedly:
lightVal = analogRead(lightPen);
Serial.println(lightVal);
delay(dt);
}
