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
ESP-FLUTTER: A 70 g ESP32-C3 Butterfly Robot That Flies
A 70 g ornithopter with two servos, 50 wing LEDs, and a XIAO ESP32C3 brain flaps its way into the air. See how it…
diy projects
ESP32-C5 Becomes a 5.8 GHz FPV Receiver with 7 Resistors
C5VRX-5 turns a XIAO ESP32-C5 and seven resistors into a 5.8 GHz analog FPV receiver. See how it works and the resistor DAC trick…
diy projects
Walnut-Shell IR Remote Built on a XIAO ESP32-C3 and Wi-Fi
A real walnut now hides a Wi-Fi infrared remote on a XIAO ESP32-C3, with four IR LEDs, a MOSFET driver and a 6-day battery.…
microcontrollers
Seeed XIAO SAMD21 Plus and RP2040 Plus Double the GPIO Count
Seeed kept the postage-stamp footprint but pushed the XIAO SAMD21 to 30 GPIO and the RP2040 to 29, with onboard battery charging from $4.90.