Remember the Nephew sold out all his prop driven gear and he gave me a near new Evolution 33cc spark engine way back when.
Short story, fitted that but requires and ignition kill operated from the radio.
So made up one with an ATtiny85 module and an opto operated high side mosfet.
Nothing new about it, just thought I'd poke it in here.
Code: Select all
/* ATtiny85 code
Ignition kill switch run off rc signal
signal below 1500, opto off ..ignition dead
signal above 1500, opto ON, LED ON, Ignition ON
Loss of signal, opto OFF, LED OFF, ignition OFF
*/
int optoPin = 4;
int rcPin = 3;
int ledPin = 2;
void setup() {
pinMode(optoPin, OUTPUT);
pinMode(ledPin, OUTPUT);
}
void loop() {
int signal = pulseIn(rcPin, HIGH, 100000);
if (signal > 1500 || signal == 0) {
digitalWrite(optoPin, LOW);
digitalWrite(ledPin, LOW);
} else {
digitalWrite(optoPin, HIGH);
digitalWrite(ledPin, HIGH);
}
}