ESP32-WROOM-32U Wi-Fi & Bluetooth Development Board, Micro USB, CP2102
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Prices updated: 13 Oct 2026
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About this product
A development board built around the ESP32-WROOM-32U module, providing Wi-Fi and Bluetooth connectivity. It has a Micro USB port for programming and power, a CP2102 USB-to-serial chip, and a U.FL connector for an external antenna. The breadboard-friendly layout suits IoT, sensor node and wireless communication projects.
Specifications
- Module
- ESP32-WROOM-32U
- Processor
- Dual-core Xtensa LX6 (ESP32)
- Wireless
- Wi-Fi 802.11 b/g/n and Bluetooth v4.2 BR/EDR & BLE
- Antenna connector
- U.FL (external antenna)
- USB interface
- Micro USB with CP2102
- Logic voltage
- 3.3 V
Frequently asked questions
Does this board need an external antenna?
The WROOM-32U module uses a U.FL connector instead of an onboard PCB antenna, so attach a 2.4 GHz antenna to the U.FL connector for reliable Wi-Fi and Bluetooth performance.
Can I connect 5V sensors to its GPIO pins?
No. The ESP32 GPIO pins operate at 3.3 V logic and are not 5 V tolerant. Use a level shifter or a voltage divider for 5 V signals. The Micro USB port is used for the 5 V power input and programming.
