When you need to record the angle of something rotating, whether it’s a knob or a joint in a robotic arm, absolute rotary encoders are almost always the way to …read more (https://hackaday.com/2021/11/10/3d-printed-absolute-encoder-is-absolutely-wonderful/)

Hacked Punch-Out Controlled With Actual Punches
https://hackaday.com/2021/11/10/hacked-punch-out-controlled-with-actual-punches/

In a slightly safer departure away from jetpack roller-skating and flinging around bolts of lightning, [Ian Charnas] has been hacking retro video games. After a lot of hard work [Ian] …read more (https://hackaday.com/2021/11/10/hacked-punch-out-controlled-with-actual-punches/)

NFC Performance: It’s All In The Antenna
https://hackaday.com/2021/11/10/nfc-performance-its-all-in-the-antenna/

NFC tags are a frequent target for experimentation, whether simply by using an app on a mobile phone to interrogate or write to tags, by incorporating them in projects by …read more (https://hackaday.com/2021/11/10/nfc-performance-its-all-in-the-antenna/)

A Breathtaking Circuit Sculpture Clock
https://hackaday.com/2021/11/10/a-breathtaking-circuit-sculpture-clock/

Here at Hackaday, we pride ourselves on bringing you the very freshest of hacks. But that doesn’t mean we catch all the good stuff the first time around, and occasionally …read more (https://hackaday.com/2021/11/10/a-breathtaking-circuit-sculpture-clock/)

Sulfur Hexafluoride: The Nightmare Greenhouse Gas That’s Just Too Useful To Stop Using
https://hackaday.com/2021/11/10/sulfur-hexafluoride-the-nightmare-greenhouse-gas-thats-just-too-useful-to-stop-using/

Sulfur hexafluoride (SF6) is not nearly as infamous as CO2, with the latter getting most of the blame for anthropogenic climate change. Yet while measures are being implemented to curb …read more (https://hackaday.com/2021/11/10/sulfur-hexafluoride-the-nightmare-greenhouse-gas-thats-just-too-useful-to-stop-using/)

The Hackaday Remoticon 2 Badge: An Exercise In Your Own Ingenuity
https://hackaday.com/2021/11/10/the-hackaday-remoticon-2-badge-an-exercise-in-your-own-ingenuity/

The twin challenges of the pandemic and now the semiconductor shortage have been particularly hard on the designers of event badges, as events have been cancelled and uncertain supply issues …read more (https://hackaday.com/2021/11/10/the-hackaday-remoticon-2-badge-an-exercise-in-your-own-ingenuity/)

Kinetic Log Splitter Gets The Job Done Kinetically
https://hackaday.com/2021/11/10/kinetic-log-splitter-gets-the-job-done-kinetically/

Swinging an axe to split firewood is great exercise and a wonderful way to blow off steam. However, if you’re not a muscled-up Hollywood character that needs to do some …read more (https://hackaday.com/2021/11/10/kinetic-log-splitter-gets-the-job-done-kinetically/)

Arduino Piano Tuner is Pitch Perfect
https://hackaday.com/2021/11/10/arduino-piano-tuner-is-pitch-perfect/