An Open Source Detector For Identifying Plastics
https://hackaday.com/2021/12/13/an-open-source-detector-for-identifying-plastics/

One of the challenges involved in recycling plastic is determining the specific type of plastic a given item is actually made of. To keep up with demand, large scale recycling …read more (https://hackaday.com/2021/12/13/an-open-source-detector-for-identifying-plastics/)

A Self Righting Balancing Robot Configured The Easy Way
https://hackaday.com/2021/12/13/a-self-righting-balancing-robot-configured-the-easy-way/

https://www.youtube.com/watch?v=FlivZoxygZM
" data-image-caption="" data-medium-file="https://hackaday.com/wp-content/uploads/2021/12/Snap-2021-12-13-at-13.38.42-featured.png?w=400" data-large-file="https://hackaday.com/wp-content/uploads/2021/12/Snap-2021-12-13-at-13.38.42-featured.png?w=800">Norwegian electronics hacker [Hans Jørgen] aka [time expander] on YouTube, has a clear interest in robotics, and for his latest effort, decided that it was time to build a custom …read more (https://hackaday.com/2021/12/13/a-self-righting-balancing-robot-configured-the-easy-way/)

Measuring Air Quality Using Mobile Sensors for the Masses
https://hackaday.com/2021/12/13/measuring-air-quality-using-mobile-sensors-for-the-masses/

Poor air quality is a major problem for city dwellers the world over. Dust, smoke, particles and noxious gases from vehicles, industry and agriculture makes many megacities downright hazardous to …read more (https://hackaday.com/2021/12/13/measuring-air-quality-using-mobile-sensors-for-the-masses/)

Pit Your Wits Against British Spooks
https://hackaday.com/2021/12/13/pit-your-wits-against-british-spooks/

The festive season is upon us, and for Brits of a technical bent that means it’s time for the GCHQ Christmas Challenge. Sent out annually as part of the Christmas …read more (https://hackaday.com/2021/12/13/pit-your-wits-against-british-spooks/)

DIY Semi Auto Grinder Builds Itself (Sort Of)
https://hackaday.com/2021/12/14/diy-semi-auto-grinder-builds-itself-sort-of/

https://hackaday.com/wp-content/uploads/2021/12/Snap-2021-12-12-at-17.02.32-blog.png
" data-image-caption="" data-medium-file="https://hackaday.com/wp-content/uploads/2021/12/Snap-2021-12-12-at-17.02.32-featured.png?w=400" data-large-file="https://hackaday.com/wp-content/uploads/2021/12/Snap-2021-12-12-at-17.02.32-featured.png?w=800">[JSK-koubou] is no stranger to making tools to improve their work, and this latest video is yet another in a long list of such builds, just checkout their YT channel …read more (https://hackaday.com/2021/12/14/diy-semi-auto-grinder-builds-itself-sort-of/)

Oh Deere, Is That Right To Repair Resolution Troubling You?
https://hackaday.com/2021/12/14/oh-deere-is-that-right-to-repair-resolution-troubling-you/

Over the years a constant in stories covering the right to repair has come from an unexpected direction, the farming community. Their John Deer tractors, a stalwart of North American …read more (https://hackaday.com/2021/12/14/oh-deere-is-that-right-to-repair-resolution-troubling-you/)

Tom’s Teardowns: Verizon AC791L Jetpack 4G Mobile Hotspot
https://hackaday.com/2021/12/14/toms-teardowns-verizon-ac791l-jetpack-4g-mobile-hotspot/