Laser-engraving a cylindrical object usually requires a rotary attachment, which is a motorized holder that rotates a cylindrical object in sync with the engraver. But [Samcraft] shows that ...

Just about every electronic device has some silicon semiconductors inside these days—from transistors to diodes to integrated circuits. [Charles] is trying to build a “No-Silicon digital ...

Repairing radios was easier when radios were simple. There were typically two strategies. You could use a signal tracer (an amplifier) to listen at the volume control. If you heard something, the ...

Maya Posch] wrote up an insightful, and maybe a bit controversial, piece on the state of consumer goods design: The Death Of ...

Adding a camera to a project used to be a chore, but modern camera modules make it simple. But what if you want to read QR ...

Ethernet is how we often network computers together, particularly when they’re too important to leave on a fussy WiFi connection. Have you ever thought about listening to Ethernet signals, ...

Zines (self-produced, small-circulation publications) are extremely DIY, and therefore punk- and hacker-adjacent by nature.

Water cooling was once only the preserve of hardcore casemodders and overclockers. Today, it’s pretty routinely used in all ...

Most of us know that a quartz clock uses a higher frequency crystal oscillator and a chain of divider circuits to generate a ...

What did you miss on Hackaday last week? Hackaday’s Elliot Williams and Al Williams are ready to catch you up on this week’s ...

CNCs come in many forms, including mills, 3D printers, lasers, and plotters, but one challenge seems universal: there’s ...

There was a disturbance in the enterprise security world, and it started with a Pwn2Own Berlin. [Khoa Dinh] and the team at ...