[CarrotIndustries] wanted to add an audible warning for when the refrigerator door was left open. The result is a fridge buzzer that attaches to the inside of a fridge door …read more (https://hackaday.com/2023/01/16/dont-lose-your-cool-with-this-fridge-buzzer/)

Blinky Business Card Plays Snake and Connect Four
https://hackaday.com/2023/01/16/blinky-business-card-plays-snake-and-connect-four/

There’s no better way to introduce yourself than handing over a blinky PCB business card and challenging the recipient to a game of Connect Four. And if [Dennis Kaandorp] turns …read more (https://hackaday.com/2023/01/16/blinky-business-card-plays-snake-and-connect-four/)

Machining with Electricity Hack Chat
https://hackaday.com/2023/01/16/machining-with-electricity-hack-chat/

Wire cutting machine working with metal workpiece with sparks at factory, exhibition, plant – close up. Metalworking, industrial, technology, manufacturing and equipment concept
" data-medium-file="https://hackaday.com/wp-content/uploads/2023/01/AdobeStock_513372081.jpeg?w=400" data-large-file="https://hackaday.com/wp-content/uploads/2023/01/AdobeStock_513372081.jpeg?w=800">Join us on Wednesday, January 18 at noon Pacific for the Machining with Electricity Hack Chat with Daniel Herrington! With few exceptions, metalworking has largely been about making chips, and …read more (https://hackaday.com/2023/01/16/machining-with-electricity-hack-chat/)

2022 FPV Contest: Congratulations to the Winners!
https://hackaday.com/2023/01/16/2022-fpv-contest-congratulations-to-the-winners/

We wanted to see what the Hackaday crowd was up to in first-person view tech, and you didn’t disappoint! Commercial FPV quads have become cheap enough these days that everyone …read more (https://hackaday.com/2023/01/16/2022-fpv-contest-congratulations-to-the-winners/)

Flappy Bird Drone Edition
https://hackaday.com/2023/01/16/flappy-bird-drone-edition/

Ornithopters have been — mostly — the realm of science fiction. However, a paper in Advanced Intelligent Systems by researchers at Lund University proposes that flapping wings may well power the …read more (https://hackaday.com/2023/01/16/flappy-bird-drone-edition/)

ZSWatch: This OSHW Smart Watch is as DIY as it Gets
https://hackaday.com/2023/01/16/zswatch-this-oshw-smart-watch-is-as-diy-as-it-gets/

We say it often, but it’s worth repeating: this is the Golden Age of making and hacking. Between powerful free and open source software, low-cost PCB production, and high resolution …read more (https://hackaday.com/2023/01/16/zswatch-this-oshw-smart-watch-is-as-diy-as-it-gets/)

Impressive Sawdust Briquette Machine
https://hackaday.com/2023/01/16/impressive-sawdust-briquette-machine/

When you are a life long carpenter with an amazing workshop, you’re going to make a lot of saw dust, and managing its collection and storage poses quite a challenge. [Russ] …read more (https://hackaday.com/2023/01/16/impressive-sawdust-briquette-machine/)