Collaborate Disseminate
[Jer Schmidt] needed a way to put a lot of M8 bolts into a piece of square steel tubing, but just drilling and tapping threads into the thin steel wouldn’t …read more Continue reading Welding Nuts Inside Metal Tubes, Painlessly
Have you ever dreamed of making a bash script that assembles Intel 8080 machine code? [Chris Smith] did exactly that when he created xa.sh, a cross-assembler written entirely in Bourne …read more Continue reading Full-Blown Cross-Assembler…in a Bash Script
[GizmoThrill] shows off a design for an absolutely gorgeous, high-fidelity replica of the main character’s helmet from the video game Satisfactory. But the best part is the technique used to …read more Continue reading Gimmick Sunglasses Become Easy Custom Helmet Visor
Helium is inert, which makes it useful in a lot of different industries. But helium’s colorless and odorless non-reactivity also means traditional gas sensing methods don’t work. Specialized detectors exist, …read more Continue reading Detecting Helium Leaks with Sound in a Physics-Based Sensor
[XYZAiden]’s concept for a flexible robotic gripper might be a few years old, but if anything it’s even more accessible now than when he first prototyped it. It uses only …read more Continue reading Print-in-Place Gripper Does It With a Single Motor
Need a plastic mesh in a custom pattern? 3D print it, no problem. But what if one needs a curved plastic mesh? That’s considerably harder to 3D print, but [Uncle Jessy]’s …read more Continue reading Need a Curved Plastic Mesh? Print Flat, Curve Later
What filament is strongest? The real answer is “it depends”, but sometimes you have a simple question and you just want a simple answer. Like, which material makes the best …read more Continue reading Do Expensive Filaments Make 3D Printed Wrenches Better?
Walkie-talkies are great fun, and [RealCorebb]’s bbTalkie project takes the concept a step further by adding some extremely cool features to make a highly refined, self-contained ESP32-based communicator. bbTalkie completely …read more Continue reading These Ultra-Cute, Handsfree Walkie-Talkies Are Built For Cycling
Home automation with high usefulness and low annoyance tends to rely on reliable person sensing, and [francescopace]’s ESPectre shows one way to do that cheaply and easily by leveraging hardware …read more Continue reading Make Your Own ESP32-Based Person Sensor, No Special Hardware Needed
3D scanners rely on being able to identify physical features of an object, and line up what it saw a moment ago with what it sees now in order to build …read more Continue reading DIY Magnetic Markers Help 3D Scan Tricky Objects