This articles describes how you can use I2C (TWI) communication, Arduino and temperature sensors to measure 3 different temperatures. It can be very helpful when you want to measure the outside, ...

Once you plug the USB cable in to your computer (with the other end plugged in to the Arduino board), it should show up in the Arduino IDE under Tools→Serial ... the // ASCII value serialEvent(); } } ...

You can read the state of a button using Arduino ... INPUT); Serial.begin(9600); } void loop() { int stateButton = digitalRead(pinButton); Serial.println(stateButton); delay(20); } In the loop() we ...