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float setpoint = 30.;
float current = 0.;
int heat = 12; // pin 12
int cool = 11; // pin 11
void setup() {
pinMode(cool, OUTPUT);
pinMode(heat, OUTPUT);
analogReference(INTERNAL);
Serial.begin(9600);
}
void loop() {
current = (float) analogRead(A0) * 223/1024;
Serial.println(current);
if (setpoint > current) {
digitalWrite(heat, HIGH);
digitalWrite(cool, LOW);
}
else if (setpoint < current) {
digitalWrite(heat, LOW);
digitalWrite(cool, HIGH);
}
delay(1000);
}
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