The classic crystal radio was an oatmeal box with some wire and a few parts. [Michael Simpson] has something very different. He found an assembled Philmore “selective” radio kit. The …read more (https://hackaday.com/2024/08/07/vintage-crystal-radio-draws-the-waves/)

The First Real Sputnik
https://hackaday.com/2024/08/07/the-first-real-sputnik/

Americans certainly remember Sputnik. At a time when the world was larger and scarier, the Soviets had a metal basketball flying over the United States and the rest of the …read more (https://hackaday.com/2024/08/07/the-first-real-sputnik/)

Forget Ship in a Bottle, How About Joule Thief in a Fuse Tube?
https://hackaday.com/2024/08/07/forget-ship-in-a-bottle-how-about-joule-thief-in-a-fuse-tube/

We love close-up pictures of intricate work, and [w] hits the spot with a tiny joule thief in a fuse case (social media post, embedded below) powered by an old …read more (https://hackaday.com/2024/08/07/forget-ship-in-a-bottle-how-about-joule-thief-in-a-fuse-tube/)

Tulip is a Micropython Synth Workstation, in an ESP32
https://hackaday.com/2024/08/08/tulip-is-a-micropython-synth-workstation-in-an-esp32/

We’re not sure exactly what Tulip is, because it’s so many things all at once. It’s a music-making environment that’s programmable in Python, runs on your big computer or on …read more (https://hackaday.com/2024/08/08/tulip-is-a-micropython-synth-workstation-in-an-esp32/)

Magnesium and Copper Makes an Emergency Flashlight
https://hackaday.com/2024/08/08/magnesium-and-copper-makes-an-emergency-flashlight/

Many of us store a flashlight around the house for use in emergency situations. Usually, regular alkaline batteries are fine for this task, as they’ll last a good few years, …read more (https://hackaday.com/2024/08/08/magnesium-and-copper-makes-an-emergency-flashlight/)

Keebin’ with Kristina: the One with the KiCad Plugin
https://hackaday.com/2024/08/08/keebin-with-kristina-the-one-with-the-kicad-plugin/

The most striking feature of the Tenshi keyboard has to be those dual track pads. But then you notice that [fata1err0r81] managed to sneak in two extra thumb keys on …read more (https://hackaday.com/2024/08/08/keebin-with-kristina-the-one-with-the-kicad-plugin/)

Raspberry Has a New Pico, Built with the New RP2350
https://hackaday.com/2024/08/08/raspberry-has-a-new-pico-and-the-rp2350/

Raspberry Pi’s first foray into the world of microcontrollers, the RP2040, was a very interesting chip. Its standout features were the programmable input/output units (PIOs) which enabled all sorts of …read more (https://hackaday.com/2024/08/08/raspberry-has-a-new-pico-and-the-rp2350/)