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I found an incandescent filament-style numeric display tube (Numitron) called the "IV-9" that I bought a long time ago, sleeping in the back of my desk. Thinking, "If I don't touch it now, it might ...

Have you ever been in a situation, whether in a conference room, a private office, or a room in your own home, where you can't tell if someone is inside (or if the light is on) from the outside ...

Flickering LED tea lights are a friendly and safe alternative to having flaming little pots of wax situated around your home, but sometimes the flicker scheme leaves something to be desired. [Roger ...

Walk into any electronics store, and you'll find plenty of temperature sensors priced anywhere between $15 to $50. Even if you get past the price and buy a fancy one, you'll be disappointed to know ...

USB-first alarm controller for an ESP32-C3 alarm device. The browser console talks to the MCU over Web Serial, so alarm settings, LED brightness, haptic strength, and coding-done notifications can ...

Folks from [Adafruit] are showing off a neat hack – USB host on RP2040, using the now-famous PIO peripheral. [Adafruit] builds a lot of RP2040 boards, and naturally, you gotta test them before you ...