Sagan builds a rain detector circuit with Dave's original Science Fair Tandy / Radio Shack 200-in-1 electronics projects kit ...

A multi-device Bluetooth multimeter has been launched via Kickstarter and with just under 10 days remaining on its campaign is nearing £150,000 in pledges thanks to nearly 1000 backers. The fully ...

A look at the dual bipolar transistor zener clamp circuit, and it's usefulness as a fast low leakage overload clamp. The ...