ESP32-C3 Super mini

The ESP32-C3 is a single-core, 32‑bit RISC-V microcontroller with integrated 2.4 GHz Wi‑Fi (802.11 b/g/n) and Bluetooth Low Energy 5.0 (LE). It’s designed for low-power IoT applications, wearables, smart sensors, and battery-operated devices where connectivity and cost-efficiency are required.

CPU: 32‑bit RISC‑V single-core, up to 160 MHz
Wireless: 2.4 GHz Wi‑Fi 802.11 b/g/n and Bluetooth Low Energy 5.0 (LE)
Peripherals: 1 x I2C, 1 x SPI, 2 x UART, 11 x GPIO(PWM), 4 x ADC, USB-C
Memory: 400KB SRAM, 384KB ROM built-in 4 MB flash

headers included