I have already made some devices using SeeedStudio’s Seeeduino Nano microcontroller boards and Grove Sensors. In this post I am going to show you how to make a simple sound activated electronic switch ...

This project demonstrates how to interface a Sound Sensor with an Arduino Uno R3 to create a simple Clap Switch system. The LED toggles ON and OFF whenever a clap or sound is detected by the sensor.

To capture an instant on film or sensor with a camera, you usually need a fast shutter. But alternately a flash can be triggered with the scene in the dark and the shutter wide open. It’s this latter ...