As we all know, wearing a helmet is mandatory in most countries, including India while driving a vehicle, not just because of ...

[Usmar A. Padow] put together an Arduino Uno, SD card, four line character LCD, and PS/2 keyboard. but he’s also included alternative options to go without an LCD screen by using a computer ...

He also integrated a 3W amplifier into this build, and everything is controlled by an Arduino including a small LCD screen which ... and also because all of the circuit schematics are available ...