diy projects
Weekend Build: An Intel 8048 Conference Badge from 1976
An Intel 8048 from 1976, an EEPROM and two vintage LED displays make a conference badge you can wire up in a weekend. Parts,…
diy projects
OuijaCNC: A Self-Playing Ouija Board on Raspberry Pi and ESP32
A core XY gantry, a magnet and a spare Pi 3B+ make a Ouija board that spells messages alone. Here is how it works…
diy projects
TWEACMAN: A Pocket WAV Player With Tape-Style Scrubbing Knobs
Two dual-pot knobs and a Renesas RA6M5 board turn WAV playback into tape-style scrubbing, from 0.001x to 1000x. Here's how the trick works.
diy projects
Bot Reborn: A $4 Toy Robot Gets Voice Control and an AI Brain
A $4 toy robot, an FT232H and a tiny fine-tuned model add up to a voice-controlled bot with 200 ms reflexes. See how Bot…
diy projects
Open GPS: A DIY ESP32-S3 Golf Shot Tracker With a Rotary Dial
Open GPS tracks golf shot distances with an ESP32-S3, a NEO-M9N GPS and a rotary dial. See how it works and how to prototype…
diy projects
Chili Pepper: An ESP32-S3 Board Built for DIY Musical Instruments
Chili Pepper packs an ESP32-S3, 24 touch inputs, a PCM5102 DAC and USB MIDI on one open source board. Here is how to prototype…
diy projects
Raspberry Pi Retro Gaming Guide: Build Your Own Console
A new Raspberry Pi Press book shows how to emulate hundreds of consoles, wire DB9 joysticks and build an arcade cabinet. Here is the…
diy projects
Raspberry Jams Bring Python and Robots to Rural Argentina
Teacher Eliana Otrera runs Raspberry Jams across rural Argentina, teaching Python, Minecraft and robots on Pis. Here is how to copy her setup in…
diy projects
A Touchscreen Woven Into Fabric: 96 LEDs per Fiber, Washable
NUS researchers wove 54 LED fibers into a sleeve that plays video, senses touch and survives 50 washes. See how it works and a…
diy projects
Doom Runs on a $30 Clamp Meter With Just 32 KB of RAM
A $30 clamp meter with 32 KB of RAM now runs Doom natively. Here is how the port works and what to try on…
diy projects
Build a Motion-Triggered Haunted Box with an ESP32 This Weekend
A PIR sensor, a servo and a red LED stick turn an ESP32 into a jump-scare box. Here is the parts list and the…
diy projects
ESP32-C5 Becomes a 5.8 GHz FPV Receiver with 7 Resistors
C5VRX-5 turns a XIAO ESP32-C5 and seven resistors into a 5.8 GHz analog FPV receiver. See how it works and the resistor DAC trick…