Although the widespread use of 3D printers has made things like linear bearings and leadscrews more common, you still can’t run down to your local big-box hardware store and get …read more (https://hackaday.com/2022/01/05/servo-plotter-needs-nothing-exotic/)

Ham Antenna Fits Almost Anywhere
https://hackaday.com/2022/01/06/ham-antenna-fits-almost-anywhere/

[G3OJV] knows the pain of trying to operate a ham radio transmitter on a small lot. His recent video shows how to put up a workable basic HF antenna in …read more (https://hackaday.com/2022/01/06/ham-antenna-fits-almost-anywhere/)

New Part Day: The RISC-V Lichee-RV Module And Dock
https://hackaday.com/2022/01/06/new-part-day-the-risc-v-lichee-rv-module-and-dock/

https://wiki.sipeed.com/hardware/zh/lichee/RV/Dock.html
" data-image-caption="" data-medium-file="https://hackaday.com/wp-content/uploads/2022/01/RV-Dock.jpg?w=400" data-large-file="https://hackaday.com/wp-content/uploads/2022/01/RV-Dock.jpg?w=501">Sipeed have been busy leveraging developments in the RISC-V arena, with an interesting, low-cost module they call the Lichee RV. It is based around the Aliwinner D1 SoC (which contains …read more (https://hackaday.com/2022/01/06/new-part-day-the-risc-v-lichee-rv-module-and-dock/)

From Nanoamps to Gigahertz: The World’s Most Extreme Op Amps
https://hackaday.com/2022/01/06/from-nanoamps-to-gigahertz-the-worlds-most-extreme-op-amps/

The operational amplifier, or op amp, is one of the most basic building blocks used in analog circuits. Ever since single-chip op amps were introduced in the 1960s, thousands of …read more (https://hackaday.com/2022/01/06/from-nanoamps-to-gigahertz-the-worlds-most-extreme-op-amps/)

555 Timer Contest Entry: A Digital Counter with Nothing but 555s
https://hackaday.com/2022/01/06/555-timer-contest-entry-a-digital-counter-with-nothing-but-555s/

With a 555 on the BOM, you never know what you’re going to get. With 40 of the versatile timer chips in a build, you might just get something completely …read more (https://hackaday.com/2022/01/06/555-timer-contest-entry-a-digital-counter-with-nothing-but-555s/)

Remoticon 2021: Unbinare Brings A Reverse-Engineering Toolkit Into Recycling
https://hackaday.com/2022/01/06/remoticon-2021-unbinare-brings-a-reverse-engineering-toolkit-into-recycling/

Unbinare is a small Belgian company at the forefront of hacking e-waste into something useful, collaborating with recycling and refurbishing companies. Reverse-engineering is a novel way to approach recycling, but …read more (https://hackaday.com/2022/01/06/remoticon-2021-unbinare-brings-a-reverse-engineering-toolkit-into-recycling/)

$7 Tent Heater Provides Comfort on a Budget
https://hackaday.com/2022/01/06/7-tent-heater-provides-comfort-on-a-budget/

Alcohol stove under a terra cotta planter.
" data-image-caption="" data-medium-file="https://hackaday.com/wp-content/uploads/2022/01/2022-01-03-Alcohol-Jet-Burner-Feat.jpg?w=400" data-large-file="https://hackaday.com/wp-content/uploads/2022/01/2022-01-03-Alcohol-Jet-Burner-Feat.jpg?w=800">At Hackaday’s Minnesota office, we appreciate central heat and hot coffee because the outdoor temperature is sub-zero in Celsius and Fahrenheit. Not everyone here has such amenities, and families living …read more (https://hackaday.com/2022/01/06/7-tent-heater-provides-comfort-on-a-budget/)