Most of us know that a neon bulb requires a significant voltage to strike, in the region of 100 volts. There are plenty of circuits to make that voltage from …read more (https://hackaday.com/2025/11/08/2025-component-abuse-challenge-glowing-neon-from-a-9-v-relay/)
Camera Capabilities Unlocked from a Mouse
https://hackaday.com/2025/11/08/camera-capabilities-unlocked-from-a-mouse/
https://hackaday.com/2025/11/08/camera-capabilities-unlocked-from-a-mouse/
There is a point where taking technology for granted hides some of the incredible capabilities of seemingly simple devices. Optical mice are a great example of this principle, using what …read more (https://hackaday.com/2025/11/08/camera-capabilities-unlocked-from-a-mouse/)
Autopsy of a First-Generation RX7 Mazda Rotary Car Engine
https://hackaday.com/2025/11/08/autopsy-of-a-first-generation-rx7-mazda-rotary-car-engine/
https://hackaday.com/2025/11/08/autopsy-of-a-first-generation-rx7-mazda-rotary-car-engine/
In theory, Wankel-style rotary internal combustion engines have many advantages: they ditch the cumbersome crankcase and piston design, replacing it with a simple, single-chamber design and a thick, plectrum-shaped chunk …read more (https://hackaday.com/2025/11/08/autopsy-of-a-first-generation-rx7-mazda-rotary-car-engine/)
Teardown of HP Optical Link and Signal Investigations Using Siglent Technology
https://hackaday.com/2025/11/08/teardown-of-hp-optical-link-and-signal-investigations-using-siglent-technology/
https://hackaday.com/2025/11/08/teardown-of-hp-optical-link-and-signal-investigations-using-siglent-technology/
Anything with a laser has undeniable hacker appeal, even if the laser’s task is as pedestrian as sending data over a fiber optic cable. [Shahriar] from [The Signal Path] must …read more (https://hackaday.com/2025/11/08/teardown-of-hp-optical-link-and-signal-investigations-using-siglent-technology/)
2025 Component Abuse Challenge: Heat Activated LED Candles
https://hackaday.com/2025/11/08/2025-component-abuse-challenge-heat-activated-led-candles/
https://hackaday.com/2025/11/08/2025-component-abuse-challenge-heat-activated-led-candles/
[Miroslav Hancar] wasn’t satisfied with abusing just a single component for our Component Abuse Challenge. He decided to abuse a whole assembly, in particular, some LED candles. In this project, …read more (https://hackaday.com/2025/11/08/2025-component-abuse-challenge-heat-activated-led-candles/)