An Open Source Firmware for Cheap Geiger Counters
https://hackaday.com/2023/06/24/an-open-source-firmware-for-cheap-geiger-counters/

It is a time-honored tradition: buy some cheap piece of gear and rewrite the firmware to make it work better. [Gissio] managed to do just that for a cheap FS2011 …read more (https://hackaday.com/2023/06/24/an-open-source-firmware-for-cheap-geiger-counters/)

Open Source and Giving Back
https://hackaday.com/2023/06/24/open-source-and-giving-back/

3D printing YouTuber [Thomas Sanladerer] made a fairly contentious claim in a video about the state of open source hardware and software: namely that it’s not viable “anymore”. You can …read more (https://hackaday.com/2023/06/24/open-source-and-giving-back/)

Robodog Goes Free Thanks To Unofficial SDK
https://hackaday.com/2023/06/24/robodog-goes-free-thanks-to-unofficial-sdk/

Electronic Earrings Are PCB Art You Can Wear
https://hackaday.com/2023/06/24/electronic-earrings-are-pcb-art-you-can-wear/

If there’s one area of the human anatomy we rarely try to draw the eye, it’s the ears. Nonetheless, [DIY GUY Chris] has developed some LED earrings that should do …read more (https://hackaday.com/2023/06/24/electronic-earrings-are-pcb-art-you-can-wear/)

Ventbots are fans of HVAC and Home Automation
https://hackaday.com/2023/06/24/ventbots-are-fans-of-hvac-and-home-automation/

[WJCarpenter] had a common HVAC problem; not all the rooms got to a comfortable temperature when the heater was working to warm up their home. As often happens with HVAC …read more (https://hackaday.com/2023/06/24/ventbots-are-fans-of-hvac-and-home-automation/)

A 32-Bit RISC-V CPU Core in 600 Lines of C
https://hackaday.com/2023/06/24/a-32-bit-risc-v-cpu-core-in-600-lines-of-c/

If you have ever wanted to implement a RISC-V CPU core in about 600 lines of C, you’re in luck! [mnurzia]’s rv project does exactly that, providing a simple two-function API. …read more (https://hackaday.com/2023/06/24/a-32-bit-risc-v-cpu-core-in-600-lines-of-c/)

Retro-Inspired Computer Case Hosts Mechanical Keyboard
https://hackaday.com/2023/06/24/retro-inspired-computer-case-hosts-mechanical-keyboard/

During the time in the 1980s when the personal computer was gaining steam as a household fixture, plenty of models shipped with the keyboard built in to the machine itself. …read more (https://hackaday.com/2023/06/24/retro-inspired-computer-case-hosts-mechanical-keyboard/)

A Zero-Day Exploit in the Linux Kernel
https://hackaday.com/2023/06/25/a-zero-day-exploit-in-the-linux-kernel/