We’ve only started to tap into the potential of the brand new Pi Zero 2. Having finally received his board, [Brian Dorey] shows us how to boost your Pi’s WiFi, …read more (https://hackaday.com/2021/12/13/new-pi-zero-gains-unapproved-antennas-yet-again/)

Mining and Refining: From Red Dirt to Aluminum
https://hackaday.com/2021/12/13/mining-and-refining-from-red-dirt-to-aluminum/

No matter how many syllables you use to say it, aluminum is one of the most useful industrial metals we have. Lightweight, strong, easily alloyed, highly conductive, and easy to …read more (https://hackaday.com/2021/12/13/mining-and-refining-from-red-dirt-to-aluminum/)

Adding Wire Races Improves 3D-Printed Bearings
https://hackaday.com/2021/12/13/adding-wire-races-improves-3d-printed-bearings/

Like a lot of power transmission components, bearings have become far easier to source than they once were. It used to be hard to find exactly what you need, but …read more (https://hackaday.com/2021/12/13/adding-wire-races-improves-3d-printed-bearings/)

Design for Test Hack Chat
https://hackaday.com/2021/12/13/design-for-test-hack-chat/

An abstract collection of a macro view of an array of nails on an isolated white background
" data-medium-file="https://hackaday.com/wp-content/uploads/2021/12/bed-of-nail.jpeg?w=400" data-large-file="https://hackaday.com/wp-content/uploads/2021/12/bed-of-nail.jpeg?w=800">Join us on Wednesday, December 15 at noon Pacific for the Design for Test Hack Chat with Duncan Lowder! If your project is at the breadboard phase, or even if …read more (https://hackaday.com/2021/12/13/design-for-test-hack-chat/)

Ask Hackaday: Are Extruders the Only Feasible Tools for Toolchanging?
https://hackaday.com/2021/12/13/ask-hackaday-are-extruders-the-only-feasible-tools-for-toolchanging/

Toolchanging in 3D printers is no longer something from the bleeding edge; it’s going mainstream. E3D has a high-quality kit for a toolchanger and motion system, our own Joshua Vasquez …read more (https://hackaday.com/2021/12/13/ask-hackaday-are-extruders-the-only-feasible-tools-for-toolchanging/)

USB LED Christmas Tree is Making Spirits Bright
https://hackaday.com/2021/12/13/usb-led-christmas-tree-is-making-spirits-bright/

[Piotr SB] knows there is no way out of the holidays; the only path is through. You’ve got to find cheer wherever and however you can, so why not cater …read more (https://hackaday.com/2021/12/13/usb-led-christmas-tree-is-making-spirits-bright/)

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/)