The ESP32-WROOM-32U Development Board is a powerful and versatile microcontroller platform based on the ESP32 dual-core processor with integrated Wi-Fi and Bluetooth connectivity. Unlike the standard WROOM-32 module with an onboard PCB antenna, the ESP32-WROOM-32U version features a U.FL/IPEX connector for connecting an external antenna, making it ideal for applications requiring improved wireless range or installation inside metal enclosures.

The board includes 38 GPIO pins for maximum expansion capability and utilizes the CH9102 USB-to-UART converter for reliable programming and serial communication through the Micro USB port. With support for Arduino IDE, PlatformIO, MicroPython, ESP-IDF, and Home Assistant integrations, this development board is suitable for IoT devices, smart home systems, wireless sensors, robotics, industrial monitoring, and embedded control applications.

Key Features

• ESP32-WROOM-32U module with external antenna support
• Dual-core Xtensa® 32-bit processor
• Integrated 2.4GHz Wi-Fi and Bluetooth (Classic + BLE)
• 38-pin development board design
• CH9102 USB-to-UART converter
• Micro USB programming and power interface
• Multiple GPIO, ADC, DAC, PWM, UART, SPI, and I2C interfaces
• Compatible with Arduino IDE, ESP-IDF, PlatformIO, and MicroPython
• Low-power operation with deep sleep support
• Suitable for IoT, automation, robotics, and smart home applications

Technical Specifications

• Module: ESP32-WROOM-32U
• Processor: Dual-core Xtensa LX6
• Clock Frequency: Up to 240MHz
• Wireless Connectivity: Wi-Fi 802.11 b/g/n and Bluetooth 4.2 (BR/EDR + BLE)
• Flash Memory: Typically 4MB
• USB Interface: Micro USB
• USB-to-Serial Chip: CH9102
• Antenna Type: External antenna via U.FL/IPEX connector
• Operating Voltage: 3.3V
• Logic Level: 3.3V
• Pin Count: 38 Pins
• Programming Support: Arduino IDE, ESP-IDF, PlatformIO, MicroPython