This articles describes how you can use I2C (TWI) communication, Arduino ... our case the temperature. Inside the function we start the transmission by using function beginTransmission() from the Wire ...

Thermistors are another example of such sensors whose resistance changes when the operating temperature changes ... can see from that sketch and the circuit diagram, the LED is connected to the ...

Amruta T and several other students like her built sensors using LED, micro controller and breadboard on Sunday. And after completing the circuit, they did their own little weather study using ...

Using motion ... passes in front of a PIR sensor it detects the change in background temperature and then triggers an output voltage. This voltage can be read by an Arduino digital input and ...