They’re using a cheap sound sensor module and an Arduino to catch instantaneous photographs, with students caught in the act of popping balloons. The goal here was to keep things as simple as ...

Seeeduino Nano is essentially a compact Arduino Uno which is fully compatible with the Arduino Nano. The microphone sound sensor – Grove Sound Sensor ... Sound Activated Toggle Switch Code (Clap ...

this active infrared close proximity sensor drives an infrared emitter to illuminate an object, then looks for the reflectance from the object to detect its close proximity. Now is the time to see the ...

Some work by sensing sound, some send out light and sense ... PIR Pin “out” connects to Arduino Digital 2 Here is the Arduino code for the Parallax sensor int motion_1 = 2; int light_1 ...