FPGA Plays Tic-Tac-Toe
https://hackaday.com/2023/06/24/fpga-plays-tic-tac-toe/

As computers get more and more powerful and artificial intelligence algorithms improve, few games remain where the best humans can reliably beat their electronic counterparts. In chess this barrier was …read more (https://hackaday.com/2023/06/24/fpga-plays-tic-tac-toe/)

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/