As someone who disassembles and repairs hardware, [Aad] eventually ended up with a huge collection of mixed bolts and screws. This led to creating the automatic bolt and screw sorting …read more (https://hackaday.com/2026/08/08/robotic-screw-and-bolt-sorter-seeks-a-new-challenge/)

Grading Tomatoes with an ESP32 and ML
https://hackaday.com/2026/08/08/grading-tomatoes-with-an-esp32-and-ml/

If you’ve ever worked with produce, you might know about grading. In addition to deciding if, say, a strawberry is good or not, they also have to sort them by …read more (https://hackaday.com/2026/08/08/grading-tomatoes-with-an-esp32-and-ml/)

Track Bird Visitors With a Raspberry Pi and a USB Mic
https://hackaday.com/2026/08/08/track-bird-visitors-with-a-raspberry-pi-and-a-usb-mic/

Avian Visitors is a lovely project by [Teddy Warner] that uses a Raspberry Pi and microphone to keep track of which birds have been visiting your home, and creates a …read more (https://hackaday.com/2026/08/08/track-bird-visitors-with-a-raspberry-pi-and-a-usb-mic/)

High-Density Parchment Paper Papertronics with Laser-Carved Hydrophilic Channels
https://hackaday.com/2026/08/08/high-density-parchment-paper-papertronics-with-laser-carved-hydrophilic-channels/

Paper as a substrate for electronic circuits is not very common, but promising for flexible circuits with low cost and easy recyclability. That said, paper is not an easy material …read more (https://hackaday.com/2026/08/08/high-density-parchment-paper-papertronics-with-laser-carved-hydrophilic-channels/)

Tracking Bees with a Stereo Camera
https://hackaday.com/2026/08/08/tracking-bees-with-a-stereo-camera/

For whatever reason, [Jeremy] wants to photograph bees in flight. This is one of those things that doesn’t seem that hard until you try to do it. He’s got the …read more (https://hackaday.com/2026/08/08/tracking-bees-with-a-stereo-camera/)

Whatever Happened to the Computer of Tomorrow, Anyway? The Xerox Alto Story
https://hackaday.com/2026/08/09/whatever-happened-to-the-computer-of-tomorrow-anyway-the-xerox-alto-story/

You’ve almost certainly heard of the Xerox Alto, the machine that pioneered the desktop-mouse-keyboard interface and inspired Steve Jobs to produce the Apple Lisa and Macintosh computers. It wasn’t just …read more (https://hackaday.com/2026/08/09/whatever-happened-to-the-computer-of-tomorrow-anyway-the-xerox-alto-story/)

Continously Extruding 3D Printed Tubes with Compressed Air
https://hackaday.com/2026/08/09/continously-extruding-3d-printed-tubes-with-compressed-air/

[Jan] of [Roetz 4.0] has a unique approach to multi-material 3D printing: he’s designed an extruder which takes two different materials and extrudes one as a shell around the other. …read more (https://hackaday.com/2026/08/09/continously-extruding-3d-printed-tubes-with-compressed-air/)

Transmitting Analog Video Via Frikkin’ Laser Beams
https://hackaday.com/2026/08/09/transmitting-analog-video-via-frikkin-laser-beams/