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If you need to drive a big screen for a project, it’s fair to say your first thought isn’t going to be to use the ATtiny85.

It turns out the "10-year lifespan" printed on your LED box is often a total fantasy. I spent years falling for the marketing, only to end up standing on a ladder every six months replacing bulbs that ...

Hot glue guns are pretty simple beasts: there’s an on/off switch, a heating element, and a source of current, be it battery or wired. You turn it on, and the heater starts warming up; ...

The LM3445 from National Semiconductor enables a full 100:1 range of offline, uniform, flicker-free dimming for high-brightness LEDs with a conventional TRIAC forward or reverse phase-control wall ...

This project requires modifying potentiometers so that they can be turned by a motor. For a description of how I handled these hardware changes, see this video: https ...

A consumer scans an Alipay QR code to pay for the order at a self-service restaurant in Hangzhou, Zhejiang province. [Photo/Xinhua] The first China-led international standard for QR codes was ...

A low pulse on this pin (below 1/3 of VCC) sets the internal flip-flop and makes the output go HIGH. When the voltage on this pin reaches 2/3 of VCC, it resets the flip-flop, and the output goes LOW.