The famous Logitech Trackman MarbleFX trackball has four buttons, of which the 4th (red) button was used to emulate a scroll wheel. To enable this, the trackball needs to be switched into a special ...

This embedded system project is designed to enhance safety by detecting multiple hazards—specifically smoke/gas leakage and direct fire presence—and immediately triggering local audio-visual alerts.

The Arduino USB Camera puts a camera, microphone and adjustable ring light in one USB accessory for projects that need to see ...