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Seeed Studio XIAO ESP32-C3

Miniature ESP32-C3 board

Released 2022

Smaller than a coin, with a full ESP32-C3, WiFi + BLE and an external antenna connector. Perfect to tuck the monitor into any tight case.

Chip ESP32-C3 (RISC-V, single-core)

Clock up to 160 MHz

Memory 400 KB SRAM · 4 MB flash

Connectivity WiFi 2.4 GHz · BLE 5 · external antenna

GPIO 11 pins · ADC · I²C/SPI/UART · 21×17.8 mm

Logic level 3.3 V

Programmed in Arduino IDE · MicroPython

Sensors that pair well