It looks as though the Mars Ingenuity flight team is starting to press the edge of the envelope a bit. The tiny rotorcraft, already 280-something sols into a mission that …read more (https://hackaday.com/2021/12/12/hackaday-links-december-12-2021/)

Differential Probe Clocks at 100MHz and $200
https://hackaday.com/2021/12/12/differential-probe-clocks-at-100mhz-and-200/

[Voltlog] often looks at interesting test equipment and in the video below he reviews something that isn’t very common in hobby labs: a differential oscilloscope probe. These are usually pretty …read more (https://hackaday.com/2021/12/12/differential-probe-clocks-at-100mhz-and-200/)

[Kerry Wong] is Really into Scope Meters
https://hackaday.com/2021/12/12/kerry-wong-is-really-into-scope-meters/

If a combination multimeter and oscilloscope is on your holiday shopping list this year, you might want to have a look at some of [Kerry Wong’s] recent videos on the …read more (https://hackaday.com/2021/12/12/kerry-wong-is-really-into-scope-meters/)

Active Pickguard Makes For A Great Guitar Mod
https://hackaday.com/2021/12/13/active-pickguard-makes-for-a-great-guitar-mod/

Much discussion goes on in the guitar world about the best hardware to use. Whether its pickups, how they’re positioned, or even the specific breed of wood on the fretboard, …read more (https://hackaday.com/2021/12/13/active-pickguard-makes-for-a-great-guitar-mod/)

New Pi Zero Gains Unapproved Antennas Yet Again
https://hackaday.com/2021/12/13/new-pi-zero-gains-unapproved-antennas-yet-again/

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/)