- ESP32-D0WD-V3
- ESP32-D0WDR2-V3
- Basic variant
- 4MB flash
- Enhanced flash variant
- 8MB flash
- Large flash size variant
- 16MB flash
- High temperature basic variant
- 4MB flash
- High temperature enhanced flash variant
- 8MB flash
- Basic variant with added PSRAM
- 4MB flash
- 2MB PSRAM
- Enhanced flash size with added PSRAM
- 8MB flash
- 2MB PSRAM
- Large flash size variant with added PSRAM
- 16MB flash
- 2MB PSRAM
- N4 / N8 / N16: Standard flash options (4MB, 8MB, or 16MB) ideal for most IoT and connected device projects, from industrial sensors to consumer gadgets.
- H4 / H8: High-temperature models built for rugged, demanding conditions like factory floors, outdoor installations, or engine compartments.
- N4R2 / N8R2 / N16R2: PSRAM variants offering extra memory for advanced applications such as real-time video streaming, audio processing, or edge AI.
- Supports 2.4 GHz Wi-Fi and Bluetooth Classic/LE
- Multiple flash and PSRAM configurations available
- Wide operating temperature range: -40°C ~ 85°C
- Compact size: 18 x 19.2 x 3.2 mm
- IPEX antenna connector for external antennas
- Ideal for industrial and consumer IoT applications

ESP32-WROOM-32UE
ESP32-WROOM-32UE integrates ESP32-D0WD-V3, with higher stability and safety performance.
ESP32-WROOM-32UE Module Variants
ESP32-WROOM-32UE-N4
ESP32-WROOM-32UE-N8
ESP32-WROOM-32UE-N16
ESP32-WROOM-32UE-H4
ESP32-WROOM-32UE-H8
ESP32-WROOM-32UE-N4R2
ESP32-WROOM-32UE-N8R2
ESP32-WROOM-32UE-N16R2
The ESP32-WROOM-32UE series takes the proven performance of the ESP32-WROOM-32E lineup and adds a game-changing feature-an external antenna connector (U.FL/IPEX). This gives you the freedom to choose the perfect antenna for your application, boosting wireless range, improving signal strength, and ensuring reliable connectivity even in challenging environments.
Compared to the older ESP32-WROOM-32U and 32D modules, the 32UE offers better RF performance, more flexible memory options, and a design that’s easier to integrate into complex enclosures or metal housings where internal antennas struggle. If your project demands consistent wireless performance across long distances or through interference-heavy environments, the 32UE series delivers.
Choosing the right variant depends on your needs:
In short-if you need the power of an ESP32 with the flexibility of an external antenna and the option to scale memory for advanced workloads, ESP32-WROOM-32UE is the smart choice. More reliable wireless, more deployment flexibility, and more room to grow-without sacrificing the proven stability of the ESP32 platform.
Note: Variants may have different features, flash sizes, and PSRAM configurations. Check the individual module pages for detailed specifications.
About ESP32-WROOM-32UE
ESP32-WROOM-32UE is a Wi-Fi + Bluetooth + Bluetooth LE module based on the ESP32-D0WD-V3 chip, featuring an IPEX antenna connector for flexible antenna options.