BHPian hastalavista recently shared this with other enthusiasts:I'd like to share a project that's very close to my heart and something I'm genuinely proud of. As my engineering journey was nearing ...

I built a whole-home ad blocker with a $7 ESP32-S3 board - and it took just minutes ...

Simple library to drive a 4-phase stepper motor using simple Move(), AccelMove() and Disable() functions. Works well with 28BYJ-48 stepper motor and UNL2003 module. Focus is on controlling steppers ...

A YouTuber has transformed the official LEGO WALL-E set into a fully functional remote-controlled robot, adding movement, expressive animations, sound effects, and even a miniature taser while ...

Assembling tiny SMD components by hand is one of the most challenging parts of PCB manufacturing. Some components, especially 0201-sized parts, are so small that accurately placing them with tweezers ...

Valve's Steam Machine is pricier than expected (thanks, RAMageddon), but there's a way to get most of the experience on your ...

Some of us have felt somewhat nervous about the collapse of DRAM and NAND Flash memory supply in the consumer market, while ...

One of the simplest robots to make is a bristlebot — a motor with an offset weight is attached to the head of a toothbrush, and the resulting vibrations will move the contraption across a ...

Rivian provided flights from Los Angeles to Salt Lake City, Utah, and accommodation so Ars could drive the R2. Ars does not accept paid editorial content. This month, Rivian begins customer deliveries ...

What happens when you give AI coding agents a lab full of robotic arms, some compute resources, and a “generous token budget” for teaching the robots various tasks? The agents can apparently figure ...

I'll never have to worry about overheating ...

Stepper motors use a cogged wheel and electromagnets to rotate the wheel one ‘step’ at a time. Each HIGH pulse sent to the A4988 stepper driver energises the coil, attracting the teeth closest to the ...