Producing items onto a screen simply by touching the air is a marvelous thing. One way to accomplish this involves four HC-SR04 ultrasonic sensor units that transmit data through an Arduino into a ...

This isn’t about connecting a temperature sensor in your Arduino. This build is about using the temperature sensor in your clock.

Advanced Sensor Technology The ArduIMU Quadcopter uses four infrared sensors and one ultrasonic sensor to detect and avoid obstacles. The infrared sensors have a range of about 1.5 meters, making ...