The 22 mm FPV drone in all its glory, next to a 65 mm Air65. (Credit: Hoarder Sam)
" data-medium-file="https://hackaday.com/wp-content/uploads/2025/10/small_fpv_drone_on_hand_hoarder_sam_youtube.jpg?w=400" data-large-file="https://hackaday.com/wp-content/uploads/2025/10/small_fpv_drone_on_hand_hoarder_sam_youtube.jpg?w=800">First person view (FPV) quadcopter drones have become increasingly more capable over the years, as well as much smaller. The popular 65 mm format, as measured from hub to hub, …read more (https://hackaday.com/2025/10/14/making-the-tiny-air65-quadcopter-even-smaller/)

OpenSCAD in Living Color
https://hackaday.com/2025/10/14/openscad-in-living-color/

I modified a printer a few years ago to handle multiple filaments, but I will admit it was more or less a stunt. It worked, but it felt like you …read more (https://hackaday.com/2025/10/14/openscad-in-living-color/)

2025 Component Abuse Challenge: Making A TTL Demultiplexer Sweat
https://hackaday.com/2025/10/14/2025-component-abuse-challenge-making-a-ttl-demultiplexer-sweat/

When we think of a motor controller it’s usual to imagine power electronics, and a consequent dent in the wallet when it’s time to order the parts. But that doesn’t …read more (https://hackaday.com/2025/10/14/2025-component-abuse-challenge-making-a-ttl-demultiplexer-sweat/)

Standalone CNC Tube Cutter/Notcher Does it With Plasma
https://hackaday.com/2025/10/14/standalone-cnc-tube-cutter-notcher-does-it-with-plasma/

Tubes! Not only is the internet a series of them, many projects in the physical world are, too. If you’re building anything from a bicycle to a race cart to …read more (https://hackaday.com/2025/10/14/standalone-cnc-tube-cutter-notcher-does-it-with-plasma/)

Ben Eater Explains How Aircraft Systems Communicate With the ARINC 429 Protocol
https://hackaday.com/2025/10/14/ben-eater-explains-how-aircraft-systems-communicate-with-the-arinc-429-protocol/

Over on his YouTube channel the inimitable [Ben Eater] takes a look at an electronic altimeter which replaces an old mechanical altimeter in an airplane. The old altimeter was entirely …read more (https://hackaday.com/2025/10/14/ben-eater-explains-how-aircraft-systems-communicate-with-the-arinc-429-protocol/)

C Project Turns Into Full-Fledged OS
https://hackaday.com/2025/10/14/c-project-turns-into-full-fledged-os/

While some of us may have learned C in order to interact with embedded electronics or deep with computing hardware of some sort, others learn C for the challenge alone. …read more (https://hackaday.com/2025/10/14/c-project-turns-into-full-fledged-os/)

A Record Lathe For Analog Audio Perfection
https://hackaday.com/2025/10/14/a-record-lathe-for-analog-audio-perfection/

It’s no secret that here at Hackaday we’ve at times been tempted to poke fun at the world of audiophiles, a place where engineering sometimes takes second place to outright …read more (https://hackaday.com/2025/10/14/a-record-lathe-for-analog-audio-perfection/)