diy projects
A Homebrew Motorola 68000 Gets Two Working PCI Slots at 10 MHz
A 1979 CPU and a 1990s bus, wired together by hand: 10 MHz 68000, an FPGA host bridge, and PCI graphics and Ethernet cards…
diy projects
Three Corroded WiiMotes, One Working Controller and an ESP32-S3
Three bug-infested, battery-acid-ruined WiiMotes went into the teardown. One working controller came out. Here is the cleanup chemistry and the I2C bus behind it.
diy projects
This LED Staff Turns a Teensy 4.1 Into a Handheld PoV Display
A Teensy 4.1, a strip of addressable LEDs and an IMU turn a hand-spun staff into a persistence-of-vision display. Here is how to build…
diy projects
Clough42’s GPS Clock Spins Its Numbers with a Pico and TMC2208
A GPS module, a Raspberry Pi Pico, and two TMC2208 drivers spin machined wheels to show time that never needs setting. Here is how…
diy projects
PSU-EXT Makes Any Bench Power Supply Programmable via ESP32-S3
An open source ESP32-S3 box adds SCPI control, live current charts and protection limits to any 0-25 V bench supply, no teardown required.
diy projects
Build a Raspberry Pi Iris Colour Detector with OpenCV
A Raspberry Pi 3 B+, a Camera Module 3 and OpenCV sorted 350 science-fair visitors' eye colours into seven categories. Here is how the…
diy projects
Teardown 2026: 450 Hardware Hackers Took Over Jupiter Hotel
Crowd Supply's Teardown 2026 packed 41 talks and 47 demo tables into one hotel. Here are the embedded, USB-C PD, and ESP32 bits worth…
diy projects
This Arduino Nano-Sized Board Packs a 300 MHz Cortex-M7 Chip
Magmabow squeezed a 300 MHz ATSAME70 Cortex-M7 into an Arduino Nano footprint, and the BGA routing trick he used is worth stealing.
diy projects
This $155 Open-Source 6-DoF Stylus Replaces $5,000 Mocap Rigs
Aalto University's open-source Lighthouse Stylus tracks position and tilt to under 1 mm for about $155 in parts, against $5,000+ for commercial mocap.
diy projects
Reverse Engineering a Cotton Candy Machine’s Robot Brain
A $6,400 cotton candy vending machine refused to run offline. One maker used ADB, SQLite and a patched APK to cut the cord and…
diy projects
Motion-Reactive LED Devil Horns Built on an RP2040 Prop Feather
Paper-mache horns lined with 4 mm NeoPixel strip, an RP2040 Prop-Maker Feather reading your head gestures, and two animations that answer with fire.
diy projects
This ATmega328P Clock Keeps Swatch’s Failed Internet Time Alive
Swatch's 1998 .beat time died fast, but one maker rebuilt it around an ATmega328P, a DS3231 and a 1990s HPDL-1414 bubble display.