Meet the little board that could: [alcor6502]’s tiny USB relay controller, now evolved into a multifunction marvel.

Walmart chief financial officer John David Rainey told investors last month that in-store pickup led to a 24% increase ... to be an expensive reaction to a momentary trend. Of course, the Internet ...

The venerable Stephen Woodward recently published the design idea (DI) “Flip ON flop OFF” that converts a momentary push button to a classic push-on, push-off switch. Figure 1 is an attempt to go ...

But pull it out and push ... switch is usually a button that you press to turn the light on and off, and often also scrolls through brightness levels or other modes. Some of them have a momentary ...

The buttons are lighted and loosely based on the LED push buttons we covered in January. Housed in a separate box are a microcontroller and a dual tone multiple frequency IC used to dial the numbers.