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…
esp32 & esp8266
ESP32-S3 Flight Controller With Pixhawk-Style Ports
The Engineer built a modular ESP32-S3 flight controller with an SPI IMU, split 3.3 V rails, and Pixhawk-style JST-GH ports for any DIY RC…
esp32 & esp8266
This ESP32 Reaction Wheel Cube Lands and Balances on One Edge
A five-inch cube launches itself off the table, stops mid-air, and lands balanced on one edge. The ESP32, IMU and reaction wheel inside explain…
esp32 & esp8266
Open RC Spotter: An ESP32 Data Logger for RC Car Racing
Open RC Spotter is an open-source ESP32 data logger that records GPS, IMU, throttle, and temperature from your RC car for pro-level lap analysis.