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

Have you ever wished you could see in the RF part of the radio spectrum ... [Ken] even came up with an Arduino with a gas sensor that talks to the phone and maps the atmosphere around the kitchen ...

He suspected EMF interference so as a quick first step he decided to throw together an EMF detector using an Arduino. It uses a bank of LEDs as an indicator bar to reflect the EMF picked up by the ...