diy projects
Tiwaz: An STM32 Split Keyboard That Is Also Two Macro Pads
Timo Strube's Tiwaz splits into two standalone macro pads with joysticks, runs QMK on an STM32F401, and ships every hardware file open source.
news & releases
Raspberry Pi’s CM5 Programming Jig Flashes Modules in One Press
Raspberry Pi's new $600 Programming Jig writes an OS, secure-boot keys and disk encryption to a CM5 in one clamp press. Here's how to…
diy projects
Build a Raspberry Pi Flight Tracker That Replays Your Whole Sky
A Raspberry Pi, a 1090MHz dongle and a well-placed antenna are enough to decode aircraft overhead and run your own local flight map, history…
diy projects
Arduboy’s $39 CHGame Rev0: A RISC-V Handheld Built for Hacking
Arduboy's CHGame Rev0 is a $39 bare-board handheld: 48 MHz RISC-V, a 128x128 color LCD, and every GPIO pin broken out for hacking.
esp32 & esp8266
Build a Palm-Vein Biometric Door Lock with an ESP32 and IR Camera
An ESP32, a DFRobot dual-camera module and 940nm infrared light read the veins under your palm. Here is the parts list and the wiring…
diy projects
ATtiny816 PCB Business Card Runs 21 LEDs on Harvested NFC Power
No battery, no charging port. This PCB business card harvests power from your phone's NFC field to run an ATtiny816 and light 21 Charlieplexed…
diy projects
An ATmega Robot Arm That Serves Badminton Shuttlecocks
A Denso VS050 arm, a pneumatic grabber and two silicone-rimmed discs turn a solo badminton drill into a robotics build you can scale down.
diy projects
This ESP32 CHIP-8 Computer Runs on a Flame and a Stirling Engine
No battery, no wall wart. A Stirling engine and a candle push enough current to run an ESP32 CHIP-8 machine with an OLED and…
diy projects
Wireless ESP32 Bike Brakes: ABS From Car Door Lock Actuators
A fat-bike brake with no cable at all: ESP32 nodes talking over ESP-NOW drive car door lock actuators, unlocking ABS and an adjustable bite…
news & releases
Banana Pi’s BPI-AI2N Packs 15 TOPS of Vision AI Into a Module
Banana Pi's BPI-AI2N runs vision models on-device: a Renesas RZ/V2N module with 15 TOPS, 8 GB of RAM, dual GbE and two MIPI CSI…
iot & smart home
WeatherXM D2 Mesh: A Solar LoRa Weather Station With No Wi-Fi
A solar weather station that reports over a LoRa mesh instead of Wi-Fi or cellular, plus how to build a cheap ESP32 version of…
arduino
An Arduino Nano ESP32 Robot Flips All 666 Pixels of This Display
Most flip-disc displays need one solenoid per pixel. This 666-tile panel uses a single Arduino Nano ESP32 gantry robot that prods each tile instead.