There’s a long history of devices originally used for communication being made into computers, with relay switching circuits, ...

A kitchen timer is one of those projects that’s well defined enough to have a clear goal, but allows plenty of room for experimentation with functionality and aesthetics. [Hggh]’s exploration of the ...

Irvine, Calif. — BivarOpto, the Optoelectronics division of Bivar Inc., has added a new ultra-high reliability blue seven-segment display to its BD series for applications that require highly reliable ...

In a previous article, we explored the behavior of an LED diode as a small light source. We have seen how important a protection resistor is to light up this component. In this article, we will ...