11 template <
unsigned char SENSOR_PIN,
unsigned char SEND_PIN>
31 pinMode(SENSOR_PIN, INPUT);
32 digitalWrite(SENSOR_PIN, LOW);
35 if(digitalRead(SENSOR_PIN)){
41 pinMode(SENSOR_PIN, OUTPUT);
42 digitalWrite(SENSOR_PIN, HIGH);
A class for reading voltage on a digital pin, derived from http://arduino.cc/en/Tutorial/RCtime.
unsigned int next()
Checks whether the capacitor has charged, and returns how long it took for the most recent charge...