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Adjustable blinking LED circuit for RC aircraft | Navigation lights

This is a very simple but useful project, strobe navigation lights for rc airplanes, or you can adjust the flashing time and make it a warning light for a forklift or even a turn signal light for a ...
EDN

Crowbar circuits: Revisiting the classic protector

Crowbar circuits have long been the go-to safeguard against overvoltage conditions, prized for their simplicity and ...
Hackaday

Trace Tracing To The Tunes

Some kind of continuity beeper has been a standard piece of gear since the dawn of electronics. Sure, you probably have an ...
Hackaday

Retro Semiconductors: The Silicon Controlled Rectifier

Over on YouTube [Lockdown Electronics] reviews an old bit of kit known as the Silicon Controlled Rectifier (SCR). Invented in the 1950s the SCR is a type of thyristor and they were popular back in ...
CNET

I Was Tired of My LED Bulbs Dying, So I Hunted Down an Expert for the Cold, Hard Truth

I've completely swapped my home over to LED lights, and for the most part, I love it. The energy savings are real, and I'm a sucker for all the smart color changing tes. But my biggest grievance is ...