Specification:
Model: ESP32-C3 Zero
Microcontroller: ESP32-C3FN4
Processor: Single-core RISC-V 32-bit, 160 MHz
Wireless: WiFi 2.4 GHz, Bluetooth 5 (LE)
Memory: 400 KB SRAM, 384 KB ROM, 4 MB Flash
Communication interface: 3 × SPI, 1 × I2C, 2 × UART, 1 × I2S, 2 × ADC
GPIO: 15 pins
USB port: USB-C
Built-in antenna: yes, ceramic
Programming: CircuitPython, MicroPython, Arduino IDE and ESP-IDF
Dimensions: 23.5 x 18 mm
Weight: 2.1 g
Development board and solder pins included.