User's Manual

1 Overview
1 Overview
1.1 Module Overview
ESP32-C3-WROOM-02 is a general-purpose Wi-Fi and Bluetooth LE module. The rich set of peripherals and
a small size make this module an ideal choice for smart homes, industrial automation, health care, consumer
electronics, etc.
Table 1: ESP32C3WROOM02 Specifications
Categories Parameters Specifications
Wi-Fi
Protocols 802.11 b/g/n (up to 150 Mbps)
Frequency range 2412 ~ 2462 MHz
Bluetooth
®
Protocols Bluetooth
®
LE: Bluetooth 5 and Bluetooth mesh
Radio
Class-1, class-2 and class-3 transmitter
AFH
Audio CVSD and SBC
Hardware
Module interfaces
GPIO, SPI, UART, I2C, I2S, remote control peripheral,
LED PWM controller, general DMA controller, TWAI
®
controller (compatible with ISO 11898-1), temperature
sensor, SAR ADC
Integrated crystal 40 MHz crystal
Integrated SPI flash 4 MB
Operating voltage/Power supply 3.0 V ~ 3.6 V
Operating current Average: 80 mA
Minimum current delivered by power
supply
500 mA
Ambient temperature
85 °C version: –40 °C ~ +85 °C;
105 °C version: –40 °C ~ +105 °C
Moisture sensitivity level (MSL) Level 3
Espressif Systems 4 ESP32-C3-WROOM-02 User Manual v0.1