Arduino is able to interpret signals from a variety of sensors. By placing a unit equipped with an ADXL345, an accelerometer for detecting motion, or a Piezo sensor on a door, it can notify you ...

When you think of Arduino projects, your mind likely goes straight to RFID door locks, weather sensors, or automated plant watering systems. While these are undeniably pretty cool projects, you ...

This Arduino-based Pomodoro timer project also uses this 25-minute cycle. Once you push the button to start the timer, ... you can just build it a custom sensor with an Arduino Uno.