Bluetooth, WiFi 802.11b/g/n, Bluetooth v5.0 Transceiver Module 2.4GHz PCB Trace Surface Mount
The ESP32-C3-WROOM-02-N4 is a compact, general-purpose Wi-Fi and Bluetooth Low Energy (BLE) module developed by Espressif Systems. It is built around the ESP32-C3 SoC and integrates RF components, crystal oscillator, flash memory, and PCB antenna in a single module.
It is designed for a wide range of applications such as IoT devices, smart home systems, industrial automation, and consumer electronics, offering a balance of performance, low power consumption, and cost efficiency.
Key Features
MCU & Memory
32-bit RISC-V single-core processor up to 160 MHz
384 KB ROM
400 KB SRAM + 8 KB RTC SRAM
Integrated 4 MB SPI flash (N4 variant)
Connectivity
2.4 GHz Wi-Fi (802.11 b/g/n)
Supports Station, SoftAP, and Station + SoftAP modes
Bluetooth 5 (BLE) with mesh support
Data rates up to 150 Mbps (Wi-Fi)
Peripherals & Interfaces
Up to 15 GPIOs
Interfaces:
SPI, UART, I2C, I2S
LED PWM
ADC (SAR)
Timers & watchdog
USB Serial/JTAG support
TWAI® (CAN 2.0 compatible)
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