[Jeshua Lacock] from 3DTOPO owns a large-format CNC (4’x8′, or 1.2×2.4 m), that he strongly feels is lacking laser-cutting capabilities. The frame is there, and a 150 W CO2 laser …read more (https://hackaday.com/2022/04/30/giant-cnc-partners-with-powerful-laser-diode/)

Training Doppler Radar With Smart Watch IMUs Data For Activity Recognition
https://hackaday.com/2022/04/30/training-doppler-radar-with-smart-watch-imus-data-for-activity-recognition/

When it comes to interpreting sensor data automatically, it helps to have a large data set to assist in validating it, as well as training when it concerns machine learning …read more (https://hackaday.com/2022/04/30/training-doppler-radar-with-smart-watch-imus-data-for-activity-recognition/)

New Tech and the Old Ways
https://hackaday.com/2022/04/30/new-tech-and-the-old-ways/

This week on Hackaday, we featured a project that tickled my nostalgia bone, and proved that there are cool opportunities when bringing new tech to old problems. Let me explain. …read more (https://hackaday.com/2022/04/30/new-tech-and-the-old-ways/)

Hacking Toy RC Cars With The HackRF One
https://hackaday.com/2022/04/30/hacking-toy-rc-cars-with-the-hackrf-one/

The origin story for many who’d call themselves a member of the hacker community usually starts with taking things apart as a child just to see how they worked. For …read more (https://hackaday.com/2022/04/30/hacking-toy-rc-cars-with-the-hackrf-one/)

Plant Growth Accelerated Tremendously with LEDs
https://hackaday.com/2022/04/30/plant-growth-accelerated-tremendously-with-leds/

[GreatScott!] was bummed to see his greenhouse be empty and lifeless in winter. So, he set out to take the greenhouse home with him. Well, at least, a small part …read more (https://hackaday.com/2022/04/30/plant-growth-accelerated-tremendously-with-leds/)

Aimbot Does it in Hardware
https://hackaday.com/2022/04/30/aimbot-does-it-in-hardware/

Anyone who has played an online shooter game in the past two or three decades has almost certainly come across a person or machine that cheats at the game by …read more (https://hackaday.com/2022/04/30/aimbot-does-it-in-hardware/)

Clever Stereo Camera Uses Sony Wireless Camera Modules
https://hackaday.com/2022/04/30/clever-stereo-camera-uses-sony-wireless-camera-modules/

Stereophotography cameras are difficult to find, so we’re indebted to [DragonSkyRunner] for sharing their build of an exceptionally high-quality example. A stereo camera has two separate lenses and sensors a …read more (https://hackaday.com/2022/04/30/clever-stereo-camera-uses-sony-wireless-camera-modules/)

Learn Sign Language Using Machine Vision
https://hackaday.com/2022/04/30/learn-sign-language-using-machine-vision/