CANSAT - Boost converter
YOu want to fly a Geiger Muller tube ?
Then you need a boost converter :-) to get a high DC voltage.
Maybe you will need some SW debounce in your interrupt routine.
Simple GM boost converter (from here)
void setup() {
analogWrite(0, 30); //starts PWM on pin 0, generates about 400V
analogWrite(1, 255); // needed to get LED to full brightness
attachInterrupt(0,countPulse,FALLING); // attach interrupt to pin 2
}
void loop() {
//nothing much really
}
void countPulse(){
//pulse led
digitalWrite(1, HIGH);
delay(100);
digitalWrite(1,LOW);
}
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