The ESP32-C3 is a 32-bit RISC-V CPU that contains the FPU (floating point unit) for 32-bit single-precision operations with powerful computing power. It has excellent RF performance and supports IEEE 802.11b/g/n WiFi and Bluetooth 5(LE) protocols. It is equipped with a wealth of interfaces, with 11 digital I / 0s that can be used as PWM pins and 4 analog 1/0s that can be used as ADC pins. It supports four serial interfaces: UART, 12C and SPI. The board also has a small reset button and a boot loader mode button. The ESP32C3 supermini is positioned as a high-performance, low-power, cost-effective iot mini development board for low-power iot applications and wireless wearable applications ESP32C3supermini is a loT mini development board based on the ESP32-C3 WiFi/Bluetooth dual-mode chip, ESP32-C3 32-bit RISC-V single-core processor,running up to 160 MHz