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
Weekend Build: An Apollo Guidance Computer DSKY on Raspberry Pi
An avionics engineer runs the Apollo 13 software on a Raspberry Pi inside a 1:1 DSKY replica. Here's how to try a small version…
esp32 & esp8266
ESP-Mosaico: Espressif’s $59 Board Where AI Writes the Firmware
Espressif's ESP-Mosaico pairs an ESP32-S31 with a 480x480 AMOLED so AI agents can write, flash, and test firmware on real hardware for US$59.
arduino
Arduino UNO Q Controller Bundle: Knobs and Buttons for Linux
Arduino's UNO Q SBC Controller Bundle adds Modulino knob, buttons, joystick and LEDs to a 4GB Linux board. See what's inside and how to…
diy projects
Motorola T900 Pager Mod: Meshtastic Messaging on ESP32-S3
A Motorola T900 pager gets a Heltec V4 brain and LoRa mesh messaging while keeping its keyboard and LCD. See how the retro hack…
microcontrollers
Olimex Level Shifters Fix 3.3V to 5V Breadboard Headaches
Olimex's two new open hardware level shifters translate 1.65 V to 5.5 V on I2C, SPI and UART. Here's where they fit on your…
diy projects
Nokia 3310 Pico Mod: Go Game Engine on an 84×48 Screen
A Pico-powered PCB and a Go game engine bring new games to the Nokia 3310's 84x48 screen. Here is how Hoani Bryson's Jam-winning build…
microcontrollers
RP2350 Laser Attack: Ledger Donjon Re-Enables Debug
Ledger Donjon used a laser and about $250,000 of lab gear to re-enable debug on a locked RP2350-A4. Here is why Raspberry Pi will…
microcontrollers
Toshiba TXZ+ M4H: 120 MHz Cortex-M4F Entry-Level MCU
Toshiba's new TXZ+ M4H microcontrollers pack a 120 MHz Cortex-M4F, 256 kB flash, and up to 51 GPIO into an entry-class part. Here's what…
diy projects
Long-Range Bluetooth LE Mesh on an STM32WB07 Module
An STM32WB07 board with Coded PHY and a 20 dBm amplifier pushes Bluetooth LE to 4.6 km line of sight. Here is how to…
microcontrollers
SPIDriver Quattro: A USB SPI Debugger With a Built-In Screen
Debugging SPI blind is painful. The SPIDriver Quattro adds a live display, 0.1 mA current sensing, and quad-SPI support so you can see what…
diy projects
30 ATtiny412 Chips Recreate a 1928 Bicycle-Chain Number Sieve
Maker KB Sriram rebuilt a 1928 mechanical number sieve using 30 ATtiny412 chips and an RP2040, and the century-old math still checks out perfectly.