Typically, when we want to build something with a DC motor, we might grab a bunch of AAs, or a single lithium cell at the very least. Electric toothbrushes often …read more (https://hackaday.com/2023/05/18/toothbrush-speed-controller-secrets-revealed/)

LTE Sniffer Ferrets Out Cellular Communications
https://hackaday.com/2023/05/18/lte-sniffer-ferrets-out-cellular-communications/

LTE networks have taken over from older technologies like GSM in much of the world. Outfitted with the right hardware, like a software defined radio, and the right software, it’s …read more (https://hackaday.com/2023/05/18/lte-sniffer-ferrets-out-cellular-communications/)

An Entire RISC-V Operating System in 2000 Lines
https://hackaday.com/2023/05/18/an-entire-risc-v-operating-system-in-2000-lines/

While Microsoft and Apple don’t release the source code for their operating systems, a good estimate is that it takes around 50 million lines of code to run these software …read more (https://hackaday.com/2023/05/18/an-entire-risc-v-operating-system-in-2000-lines/)

Go In All The Directions With Omniwheeled ESP32 Bot
https://hackaday.com/2023/05/18/go-in-all-the-directions-with-omniwheeled-esp32-bot/

The ability to change direction without turning is the specialty of omnidirectional wheels, which [maker.moekoe] used to their full potential on a pair of ESP32-controlled robots. Video after the break. …read more (https://hackaday.com/2023/05/18/go-in-all-the-directions-with-omniwheeled-esp32-bot/)

North Korean Karaoke Machine Teardown
https://hackaday.com/2023/05/19/north-korean-karaoke-machine-teardown/

Photo from project blog post, by Will Scott
" data-image-caption="" data-medium-file="https://hackaday.com/wp-content/uploads/2023/05/v700-feature.jpg?w=400" data-large-file="https://hackaday.com/wp-content/uploads/2023/05/v700-feature.jpg?w=800">Karaoke is a very popular pastime in Seoul — there are venues where you can sing on a stage, sing in rooms with your friends, and even sing solo in …read more (https://hackaday.com/2023/05/19/north-korean-karaoke-machine-teardown/)

Building a Giant Vacuum Tube Smart Lamp
https://hackaday.com/2023/05/19/building-a-giant-vacuum-tube-smart-lamp/

Vacuum tubes are pretty, which is why they’re often showcased externally on exquisitely-expensive home Hi-Fi hardware. But if you just want to gaze at their beauty without making any noise, …read more (https://hackaday.com/2023/05/19/building-a-giant-vacuum-tube-smart-lamp/)

This Week in Security: .zip Domains, Zip scanning
https://hackaday.com/2023/05/19/this-week-in-security-zip-domains-zip-scanning/

The world may not be ready, but the .zip Top Level Domain (TLD) is here. It’s a part of the generic TLD category, which was expanded to allow applications for …read more (https://hackaday.com/2023/05/19/this-week-in-security-zip-domains-zip-scanning/)

Custom Glove Guides Wearers’ Dreams
https://hackaday.com/2023/05/19/custom-glove-guides-wearers-dreams/