ESP32-WROOM-32E-N4
Overview
The ESP32-WROOM-32E-N4 is a versatile Wi-Fi and Bluetooth LE module powered by the dual-core Xtensa 32-bit LX6 microprocessor operating at up to 240 MHz. It features an integrated PCB trace antenna and 4MB of SPI flash, providing a robust wireless solution for connected devices requiring high throughput and rich peripheral support.
Why Choose This Part
This module offers a powerful 240 MHz dual-core CPU and a comprehensive RF certification suite, reducing time-to-market for wireless products. It includes 520kB of SRAM and a rich set of 18 ADC channels and 16 PWM channels for complex peripheral control.
Applications
Key Specifications
Getting Started
Developers typically use the ESP-IDF (IoT Development Framework) or the Arduino IDE with the ESP32 core. Hardware prototyping is best started with the ESP32-DevKitC, which allows for direct USB programming and breadboard access to the module pins.
Dev Boards
Development boards and breakout modules featuring the ESP32-WROOM-32E-N4 or compatible chips — ready to use for prototyping.
ESP32-WROOM Family
Comparing specs that differ across variants. The current part is highlighted.
| Part Number | Memory | Package | Interfaces | Frequency | Modulation | Sensitivity | Stock |
|---|---|---|---|---|---|---|---|
| ESP32-WROOM-32E-N4 (this part) | 4MB | SMD-38 | ADC, GPIO, I2C, I2.. | 2.4GHz | CCK, DSSS, OFDM | -98dBm | 36,148 |
| ESP32-WROOM-32UE-N16 | 16MB | SMD-38 | ADC, GPIO, I2C, I2.. | 2.4GHz | CCK, DSSS, OFDM | -98dBm | 1,845 |
| ESP32-WROOM-32E-H4 | 4MB | SMD-38 | ADC, GPIO, I2C, I2.. | 2.4GHz | CCK, DSSS, OFDM | -98dBm | 8,026 |
| ESP32-WROOM-32E-N16 | 16MB | SMD-38 | ADC, GPIO, I2C, I2.. | 2.4GHz | CCK, DSSS, OFDM | -98dBm | 13,112 |
| ESP32-WROOM-32UE-N4 | 4MB | SMD-38 | ADC, GPIO, I2C, I2.. | 2.4GHz | CCK, DSSS, OFDM | -98dBm | 2,495 |
| ESP32-WROOM-32E-N8 | 8MB | SMD-38 | ADC, GPIO, I2C, I2.. | 2.4GHz | CCK, DSSS, OFDM | -98dBm | 20,366 |
| ESP32-WROOM-32U | 4MB | SMD-38 | ADC, GPIO, I2C, I2.. | 2.4GHz | CCK, DSSS, OFDM | -98dBm | 1,058 |
| ESP32-WROOM-32D | 448k | SMD-38 | GPIO, I2C, I2S, PW.. | 2.4GHz | CCK, DSSS, OFDM | -98dBm | — |
| ESP32-WROOM-DA-N4 | 4MB | SMD-43 | ADC, GPIO, I2C, I2.. | 2.4GHz | 8DPSK, DQPSK | -97dBm | 446 |
Also Consider
Espressif Systems
- Identical module but features a U.FL connector for an external antenna instead of a PCB trace antenna.
Espressif Systems
- A RISC-V based alternative for lower power and cost-sensitive applications that do not require dual cores.
Espressif Systems
- Offers improved AI acceleration and more GPIOs for advanced edge computing tasks.
