If you’re a child of the ’80s or ’90s, chances are you’ve spent hours tracing out intricate patterns using the pens and gears of a Spirograph kit. Simple as those …read more (https://hackaday.com/2023/06/05/op-amp-contest-generate-spirograph-shapes-using-only-op-amps-and-math/)

The Printing of Pi
https://hackaday.com/2023/06/05/the-printing-of-pi/

It really isn’t necessary, but there is some geek cred to learning pi to some bizarre number of digits. One way to do that is via a piem — a …read more (https://hackaday.com/2023/06/05/the-printing-of-pi/)

Linear Power Supply’s Current Limiter is a Lesson in Simplicity
https://hackaday.com/2023/06/05/linear-power-supplys-current-limiter-is-a-lesson-in-simplicity/

Here at Hackaday we really like to feature projects that push the limits of what’s possible, or ones that feature some new and exciting technology that nobody has ever seen …read more (https://hackaday.com/2023/06/05/linear-power-supplys-current-limiter-is-a-lesson-in-simplicity/)

Want Lower Power? Add More Cores!
https://hackaday.com/2023/06/06/want-lower-power-add-more-cores/

[Jacob Beningo] over at Embedded.com recently posted his thoughts on how to do a low-power microcontroller design. On the surface, some of his advice seems a little counter-intuitive. Even he …read more (https://hackaday.com/2023/06/06/want-lower-power-add-more-cores/)

That Handheld 386SX Gets a Teardown
https://hackaday.com/2023/06/06/that-handheld-386sx-gets-a-teardown/

A few weeks ago our community was abuzz with the news of a couple of new portable computers available through AliExpress. Their special feature was that they are brand new …read more (https://hackaday.com/2023/06/06/that-handheld-386sx-gets-a-teardown/)

Radio Apocalypse: Hardening AM Radio Against Disasters
https://hackaday.com/2023/06/06/radio-apocalypse-hardening-am-radio-against-disasters/

If you’ve been car shopping lately, or even if you’ve just been paying attention to the news, you’ll probably be at least somewhat familiar with the kerfuffle over AM radio. …read more (https://hackaday.com/2023/06/06/radio-apocalypse-hardening-am-radio-against-disasters/)

Souped-Up Reflective Sensor Uses Itself for Wireless Programming
https://hackaday.com/2023/06/06/souped-up-reflective-sensor-uses-itself-for-wireless-programming/

Proximity sensors are common enough in automation projects that we hardly give them a second thought — pick something with specs that match the job and move on. But they …read more (https://hackaday.com/2023/06/06/souped-up-reflective-sensor-uses-itself-for-wireless-programming/)