ESP32-WROOM-32U DevkitC V4 with USB-C & External Antenna Connector (OT8921)

ESP32-WROOM-32U DevkitC V4 with USB-C and external antenna connector (ipex)

This powerful ESP32 development board is equipped with a USB-C port and an external antenna connector (U.FL/IPEX) for optimal wireless performance. The compact board is based on the well-known ESP32-WROOM-32U module from Espressif Systems and supports both Wi-Fi and Bluetooth. Ideal for IoT, automation, sensor networks, and embedded applications.

Main features

• ESP32 dual-core 32-bit processor up to 240 MHz
• Wi-Fi 2.4 GHz and Bluetooth/BLE
• USB-C port for power and programming
• External antenna connector (U.FL / IPEX) for better reception
• Up to 25 usable GPIO pins
• Support for PWM, ADC, DAC, I2C, SPI, and UART
• Compatible with Arduino IDE, PlatformIO, ESP-IDF, and Codey.online
• Reset and BOOT buttons included
• Compact DevKit form factor with breadboard-friendly pin headers

Applications

• Internet of Things (IoT) projects
• Home automation and smart home
• Wireless sensor networks
• Web servers and dashboards
• Robotics
• Industrial monitoring
• Long-range Wi-Fi applications

Specifications

• Module: ESP32-WROOM-32U
• Processor: Dual-core Xtensa LX6
• Clock speed: Up to 240 MHz
• Wireless: Wi-Fi 802.11 b/g/n + Bluetooth/BLE
• USB: USB-C
• Power supply: 5V via USB
• Logic level: 3.3V
• GPIO pins: Up to 25 usable GPIOs
• Antenna: External 2.4 GHz antenna via U.FL/IPEX
• Programmable with: Arduino IDE, PlatformIO, ESP-IDF, and Codey.online

Note

For optimal wireless performance, it is necessary to connect a suitable 2.4 GHz Wi-Fi antenna to the U.FL connector. Some GPIO pins are reserved for flash memory, boot functions, or internal functions of the ESP32.