arduino
This Arduino Watches a Treadmill With a Webcam to Clock Speed
A rented treadmill, a USB webcam, and an Arduino VENTUNO Q: an on-board neural net reads belt speed and broadcasts it over Bluetooth as…
microcontrollers
Add a CircuitPython Watchdog So Your Build Reboots Itself
A frozen microcontroller mid-demo is fixable in ten lines. The CircuitPython watchdog module lets your board detect its own hang and reset itself.
raspberry pi
Raspberry Pi Bootloader Now Draws Splash Screens on SPI Panels
Cyberdecks and Pi handhelds boot to a black screen for seconds. A new firmware extension paints your SPI or I2C panel straight from the…
esp32 & esp8266
Petoi’s Quaddle Is a Foldable ESP32-S3 Quadruped Robot for $99
Petoi packed omnidirectional walking into four servos and an ESP32-S3, then made the legs fold flat. Here is what the $99 Quaddle can actually…
raspberry pi
Turn Two Knobs Into a Raspberry Pi Internet Radio With MCP3008
Two potentiometers, an MCP3008 ADC and a Raspberry Pi become a knob-tuned internet radio. Here is the SPI wiring and the GPIO Zero code…
esp32 & esp8266
Build a $10 ESP32-C3 Fridge Monitor That Logs Its Own Data
A $10 XIAO ESP32C3 and a DHT22 keep 30 minutes of fridge temperature history on-device, cutting network traffic by 92 percent. A tidy weekend…
robotics
Bird-Inspired Drone Perches Using 9 Touch Sensors, No Camera
TU Delft's drone finds a branch with nine one-bit touch sensors instead of a camera, hitting a 99% perch rate even when its position…
esp32 & esp8266
This Desktop WALL-E Robot Runs on an ESP32-S3 and Talks Back
Seven servos, two 12V track motors and an ESP32-S3 turn a WALL-E replica into a desk robot that holds a conversation and names what…
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.