microcontrollers
Seeed XIAO STM32C5: First ST Chip in the Tiny XIAO Family
Seeed's XIAO STM32C5 packs a 144 MHz Cortex-M33, two CAN FD buses and a heated IMU on a thumb-sized board for under $11. Here…
microcontrollers
STM32 Gets One Platform: What ST’s Cortex-M Shift Means
ST is unifying STM32 around Arm Cortex-M, with new STM32A parts and a 280 MHz STM32G5. Here is a weekend plan to test what…
diy projects
Sylphide OS Turns Cheap Microcontrollers Into Retro Desktop PCs
Sylphide OS gives ESP32-P4 and Pico 2 boards a windowed desktop with a mouse, built on FreeRTOS. Here's what runs today and what to…
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
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.
microcontrollers
IR Remote Protocols Explained: NEC, RC-5 and IrDA for Makers
Why infrared still beats Bluetooth for simple, private control, and how NEC, RC-5 and IrDA work. Decode your first remote with an Arduino or…
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…