2025 Pet Hacks Contest: Cat at the Door
https://hackaday.com/2025/06/12/2025-pet-hacks-contest-cat-at-the-door/

This Pet Hacks Contest entry from [Andrea] opens the door to a great collaboration of sensors to solve a problem. The Cat At The Door project’s name is a bit …read more (https://hackaday.com/2025/06/12/2025-pet-hacks-contest-cat-at-the-door/)

The Billionth Repository On GitHub is Really Shitty
https://hackaday.com/2025/06/12/the-billionth-repository-on-github-is-really-shitty/

What’s the GitHub repository you have created that you think is of most note? Which one do you think of as your magnum opus, the one that you will be …read more (https://hackaday.com/2025/06/12/the-billionth-repository-on-github-is-really-shitty/)

COTS Components Combine to DIY Solar Power Station
https://hackaday.com/2025/06/12/cots-components-combine-to-diy-solar-power-station/

They’re marketed as “Solar Generators” or “Solar Power Stations” but what they are is a nice box with a battery, charge controller, and inverter inside. [DoItYourselfDad] on Youtube decided that …read more (https://hackaday.com/2025/06/12/cots-components-combine-to-diy-solar-power-station/)

Simple Open Source Photobioreactor
https://hackaday.com/2025/06/12/simple-open-source-photobioreactor/

[Bhuvanmakes] says that he has the simplest open source photobioreactor. Is it? Since it is the only photobioreactor we are aware of, we’ll assume that it is. According to the …read more (https://hackaday.com/2025/06/12/simple-open-source-photobioreactor/)

Build a 400 MHz Logic Analyzer for $35
https://hackaday.com/2025/06/12/build-a-400-mhz-logic-analyzer-for-35/

What do you do when you’re a starving student and you need a 400 MHz logic analyzer for your digital circuit investigations? As [nanofix] shows in a recent video, you …read more (https://hackaday.com/2025/06/12/build-a-400-mhz-logic-analyzer-for-35/)

The GBA Console You Never Knew You Wanted
https://hackaday.com/2025/06/13/the-gba-console-you-never-knew-you-wanted/

Do you like Nintendo games? How about handhelds? Do you prefer the now-venerable Game Boy Advance (GBA) to more modern platforms, but wish your aging eyes could enjoy its content …read more (https://hackaday.com/2025/06/13/the-gba-console-you-never-knew-you-wanted/)

A Remote-Controlled USB Rubber Ducky Clone
https://hackaday.com/2025/06/13/a-remote-controlled-usb-rubber-ducky-clone/