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Overview:
The ESP32-C3 is a development board based on the ESP32-C3FN4 chip.
The ESP32-C3FN4 is a 32-bit microprocessor based on the RISC-V architecture. It is a low-power, highly integrated MCU system-on-chip (SOC) with integrated 2.4 GHz Wi-Fi and low-power Bluetooth® LE dual-mode wireless communication.
The internal 4MB Flash memory is integrated and includes SPI, I2C, UART, ADC, etc.

Features:
Microprocessor: ESP32-C3FN4 (RISC-V architecture 32-bit, main frequency up to 160 MHz)
C-type USB interface with full voltage regulator, short circuit protection, RF shielding and other protection measures.
On-board SH1.25-2 battery interface with integrated lithium battery management system (charge/discharge management, overcharge protection, battery power detection, automatic USB/battery power switching)
Built-in WiFi, Bluetooth dual network connection, in-car Wi-Fi, Bluetooth dedicated 2.4GHz PCB antenna.
integrated CH340K USB to serial chip for easy program download, debug information printing; support for Arduino development environment.
With good RF circuit design and basic low-power design, it is easy for IoT application providers can quickly verify the solution and deploy the application.

Specification:
Main control chip: ESP32-C3FN4
USB to serial chip: CH340K
WiFi: 802.11b/g/n,up to 150bps
BLE: Bluetooth LE: Bluetooth 5, Bluetooth mesh
Hardware resources: 5*ADC1+1*ADC2;2*UART;1*12C;3*SPI
Interface: Type-C;2*1.25 battery interface;2*10*2.54 pins
Battery: support 3.7v lithium battery charge and discharge
Temperature: -40~85℃
Size: 40.64*20.32*7.6mm
Power consumption: deep sleep 5.5 ua

Package List:
1x Development Board

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