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ESP32-C3

RISC-V WiFi microcontroller

Released 2021

The single-core RISC-V ESP32: dirt cheap, low power and with WiFi + Bluetooth 5. The go-to for battery sensors and tiny boards like the XIAO/Super Mini.

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

Clock up to 160 MHz

Memory 400 KB SRAM · flash externa (4 MB típico)

Connectivity WiFi 2.4 GHz (b/g/n) · Bluetooth 5 (LE)

GPIO ~22 · ADC · I²C/SPI/UART · USB Serial/JTAG

Logic level 3.3 V

Programmed in Arduino IDE · ESP-IDF · MicroPython

Sensors that pair well

Air temperature Air humidity Any analog value Any on / off Soil moisture

⚡ Generate my code View pinout ↗

source: Espressif · Espressif datasheet ↗