7Semi ESP32 DevKit E-N8R2 Development Board with WiFi, Bluetooth, 8MB Flash and 2MB PSRAM

The 7Semi ESP32 DevKit E-N8R2 Development Board is a compact and reliable wireless development platform based on the ESP32-WROOM-32E-N8R2 module from Espressif. Designed for IoT, automation, smart devices, and embedded applications, the board combines powerful dual-core processing, integrated WiFi and Bluetooth connectivity, and expanded onboard memory for advanced embedded development.

Powered by the ESP32 dual-core Xtensa LX6 processor, the board features 8MB Flash memory and 2MB PSRAM, providing additional memory capacity for networking, web interfaces, display applications, and wireless communication systems. The ESP32-WROOM-32E module includes an onboard PCB antenna with improved RF performance for stable wireless connectivity in both development and deployment environments.

With support for multiple interfaces including SPI, I2C, UART, CAN, ADC, DAC, and PWM, the board is suitable for a wide range of embedded and IoT projects. It is fully compatible with Arduino IDE, ESP-IDF, PlatformIO, and MicroPython for easy and flexible development.

Features

• ESP32-WROOM-32E-N8R2 module from Espressif

• Dual-core Xtensa LX6 processor up to 240 MHz

• Built-in 2.4 GHz WiFi (802.11 b/g/n)

• Bluetooth v4.2 BR/EDR and BLE support

• 8MB Flash memory

• 2MB PSRAM for enhanced embedded applications

• Onboard PCB antenna with improved RF performance

• USB interface for programming, power, and serial communication

• Supports SPI, I2C, I2S, UART, CAN, ADC, DAC, PWM, and GPIO

• 3.3V logic operation

• Compatible with Arduino IDE, ESP-IDF, PlatformIO, and MicroPython

• Onboard Boot and Reset buttons

• Compact and breadboard-friendly design

• Suitable for IoT, automation, robotics, and wireless control systems

FAQ

Q: What is the advantage of 2MB PSRAM?
A: PSRAM provides additional runtime memory for web servers, buffering, graphics, networking, and advanced embedded applications.

Q: Does this board support both WiFi and Bluetooth?
A: Yes, the ESP32 supports integrated 2.4 GHz WiFi along with Bluetooth Classic and BLE connectivity.

Q: What is special about the ESP32-WROOM-32E module?
A: The ESP32-WROOM-32E provides improved RF performance, better stability, and updated silicon revisions compared to earlier ESP32 modules.

Q: Can this board be used for IoT projects?
A: Yes, the board is ideal for IoT devices, MQTT communication, cloud connectivity, smart home systems, and wireless monitoring applications.

Q: Which development environments are supported?
A: The board supports Arduino IDE, ESP-IDF, PlatformIO, and MicroPython.

Q: What interfaces are available on the board?
A: The board supports SPI, I2C, I2S, UART, CAN, ADC, DAC, PWM, and GPIO interfaces.

Q: Is the board suitable for beginners?
A: Yes, the onboard USB interface, labeled pins, and wide software support make it beginner friendly and easy to use.

Q: What is the purpose of the onboard Boot and Reset buttons?
A: The buttons help with firmware uploading, programming mode selection, and manual reset during development and debugging.