Forget Sudoku, Build Yourself a Minimalist Rubik’s Solver Robot
https://hackaday.com/2022/02/02/forget-sudoku-build-yourself-a-minimalist-rubiks-solver-robot/

https://www.youtube.com/watch?v=oYRXe4NyJqs
" data-image-caption="" data-medium-file="https://hackaday.com/wp-content/uploads/2022/02/Snap-2022-02-02-at-13.11.08.png?w=400" data-large-file="https://hackaday.com/wp-content/uploads/2022/02/Snap-2022-02-02-at-13.11.08.png?w=800">Some people like crossword puzzles, some are serious sudoku ninjas, but [Andrea Favero] likes to keep himself sharp, by learning coding and solving control problems, and that is something we …read more (https://hackaday.com/2022/02/02/forget-sudoku-build-yourself-a-minimalist-rubiks-solver-robot/)

PCB Stepper Motor Micro Robots
https://hackaday.com/2022/02/03/pcb-stepper-motor-micro-robots/

video screen capture from short clip on project blog post
" data-image-caption="" data-medium-file="https://hackaday.com/wp-content/uploads/2022/02/ubot-feature.png?w=400" data-large-file="https://hackaday.com/wp-content/uploads/2022/02/ubot-feature.png?w=800">[Kevin Lynagh] is interested in tiny PCB stepper motors, and after reviewing the various projects and patents to-date, decided to give it a try himself. These are basically a stepper motor …read more (https://hackaday.com/2022/02/03/pcb-stepper-motor-micro-robots/)

Arduino Activated Automotive Aerodynamic Apparatus is… (Spoiler Alert!)
https://hackaday.com/2022/02/03/arduino-activated-automotive-aerodynamic-apparatus-is-spoiler-alert/

Sometimes a great hack is great for no other reason than that it’s fun, and [Michael Rechtin]’s DIY Active Aero Spoiler and Air Brake certainly qualifies as a fun hack. …read more (https://hackaday.com/2022/02/03/arduino-activated-automotive-aerodynamic-apparatus-is-spoiler-alert/)

Shining A Different Light On Reality With Short-Wave Infrared Radiation
https://hackaday.com/2022/02/03/shining-a-different-light-on-reality-with-short-wave-infrared-radiation/

As apples travel down the conveyor belt, they are scanned using InGaAs and CMOS cameras. The InGaAs camera will show defects beginning to form under the skin that a human eye cannot see; the CMOS camera will show visible defects. (Credit: Hamamatsu)
" data-medium-file="https://hackaday.com/wp-content/uploads/2022/01/InGaAs_vs_visual_light_apple_comparison.jpg?w=400" data-large-file="https://hackaday.com/wp-content/uploads/2022/01/InGaAs_vs_visual_light_apple_comparison.jpg?w=800">As great as cameras that operate in the visual light spectrum are, they omit a lot of the information that can be gleaned from other wavelengths. There is also the …read more (https://hackaday.com/2022/02/03/shining-a-different-light-on-reality-with-short-wave-infrared-radiation/)

Supersized Power Bank Built From an EV Battery
https://hackaday.com/2022/02/03/supersized-power-bank-built-from-an-ev-battery/

Perhaps one day in the future when our portable electronics are powered by inexhaustible dilithium crystals, we’ll look back fondly on the 2020s when we carried around power banks to …read more (https://hackaday.com/2022/02/03/supersized-power-bank-built-from-an-ev-battery/)

Remoticon 2021 // Colin O’Flynn Zaps Chips (And They Talk)
https://hackaday.com/2022/02/03/remoticon-2021-colin-oflynn-zaps-chips-and-they-talk/

One of the many fascinating fields that’s covered by Hackaday’s remit lies in the world of hardware security, working with physical electronic hardware to reveal inner secrets concealed in its …read more (https://hackaday.com/2022/02/03/remoticon-2021-colin-oflynn-zaps-chips-and-they-talk/)

Keep Track of Toilet Paper Usage with This IoT Roll Holder
https://hackaday.com/2022/02/03/keep-track-of-toilet-paper-usage-with-this-iot-roll-holder/