# ESP32-C3-WROOM-02-N4 (Component) ## Description 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) #commonpartslibrary #transceiver #module #wireless #rf ## Component Details - **Owner:** adrian95 - **Created:** 6/29/2023 - **Last Updated:** 4/27/2026 - **Visibility:** Public - **Part Type:** Module - **Manufacturer Part Number:** ESP32-C3-WROOM-02-N4 - **Symbol Style:** parametric-v1 - **License:** https://creativecommons.org/licenses/by/4.0/ - **Manufacturer Name:** Espressif Systems - **Datasheet URL:** https://www.espressif.com/sites/default/files/documentation/esp32-c3-wroom-02_datasheet_en.pdf - **Used in:** 64 projects - **Forks:** 1 ## Distributor Pricing (qty 1) *Pricing shown for quantity 1. For price breaks and other quantities, open in Flux.* | Distributor | Unit Price (qty 1) | Stock | |------------|--------------------|-------| | [Digi-Key](https://www.digikey.com/en/products/detail/espressif-systems/ESP32-C3-WROOM-02-N4/14553031) | $1.95 | 10K | | [LCSC](https://www.lcsc.com/product-detail/C2934560.html) | $3.0674 | 4.5K | | [Mouser](https://www.mouser.com/ProductDetail/Espressif-Systems/ESP32-C3-WROOM-02-N4?qs=stqOd1AaK7%2FqjTZKEOgfUg%3D%3D) | $3.63 | 3.8K | | [TME](https://www.tme.com/us/en-us/katalog/?queryPhrase=ESP32C3-WROOM-02N4) | N/A | N/A | - **Part Type:** Modules - **Manufacturer:** Espressif - **MPN:** ESP32-C3-WROOM-02-N4 - **Mount Type:** Surface Mount - **Package / Case Code:** Module - **Pin Count:** 27 ## Pins | Pin | Name | Type | |-----|------|------| | 1 | 3V3 | | | 2 | EN | | | 14 | IO19 | | | 15 | IO3 | | | 5 | IO6 | | | 13 | IO18 | | | 17 | IO1 | | | 3 | IO4 | | | 16 | IO2 | | | 7 | IO8 | | | 8 | IO9 | | | 18 | IO0 | | | 6 | IO7 | | | 10 | IO10 | | | 4 | IO5 | | | 12 | TXD | | | 11 | RXD | | | 24 | GND_7 | | | 19 | GND_2 | | | 9 | GND_1 | | | 25 | GND_8 | | | 20 | GND_3 | | | 23 | GND_6 | | | 27 | GND_10 | | | 21 | GND_4 | | | 26 | GND_9 | | | 22 | GND_5 | | --- *Generated from [https://www.flux.ai/adrian95/esp32-c3-wroom-02-n4~gwb](https://www.flux.ai/adrian95/esp32-c3-wroom-02-n4~gwb)*