3D Printed Spirograph Makes Art Out of Walnut
https://hackaday.com/2025/05/02/3d-printed-spirograph-makes-art-out-of-walnut/

Who else remembers Spirograph? When making elaborate spiral doodles, did you ever wish for a much, much bigger version? [Fortress Fine Woodworks] had that thought, and “slapped a router onto …read more (https://hackaday.com/2025/05/02/3d-printed-spirograph-makes-art-out-of-walnut/)

Smart Speaker Gets Brain Surgery, Line-Out
https://hackaday.com/2025/05/02/smart-speaker-gets-brain-surgery-line-out/

Sometimes you find a commercial product that is almost, but not exactly perfect for your needs. Your choices become: hack together a DIY replacement, or hack the commercial product to …read more (https://hackaday.com/2025/05/02/smart-speaker-gets-brain-surgery-line-out/)

Prusa Mini Nozzle Cam on the Cheap
https://hackaday.com/2025/05/02/prusa-mini-nozzle-cam-on-the-cheap/

Let me throw in a curveball—watching your 3D print fail in real-time is so much more satisfying when you have a crisp, up-close view of the nozzle drama. That’s exactly …read more (https://hackaday.com/2025/05/02/prusa-mini-nozzle-cam-on-the-cheap/)

A Gentle Introduction to Impedance Matching
https://hackaday.com/2025/05/02/a-gentle-introduction-to-impedance-matching/

Impedance matching is one of the perpetual confusions for new electronics students, and for good reason: the idea that increasing the impedance of a circuit can lead to more power …read more (https://hackaday.com/2025/05/02/a-gentle-introduction-to-impedance-matching/)

A Neat E-Paper Digit Clock (or Four)
https://hackaday.com/2025/05/02/a-neat-e-paper-digit-clock-or-four/

[sprite_tm] had a problem. He needed a clock for the living room, but didn’t want to just buy something off the shelf. In his own words, “It’s an opportunity for …read more (https://hackaday.com/2025/05/02/a-neat-e-paper-digit-clock-or-four/)

Ratcheting Mechanism Gives Tendons a Tug
https://hackaday.com/2025/05/03/ratcheting-mechanism-gives-tendons-a-tug/

A common ratchet from your garage may work wonders for tightening hard to reach bolts on whatever everyday projects around the house. However, those over at [Chronova Engineering] had a …read more (https://hackaday.com/2025/05/03/ratcheting-mechanism-gives-tendons-a-tug/)

Getting Started with ATtiny Configurable Custom Logic (CCL)
https://hackaday.com/2025/05/03/getting-started-with-attiny-configurable-custom-logic-ccl/