Not recommended for new designs - prefer a newer module for future projects.
ESP32 Boards/ ESP32/ ESP32-WROOM-32

ESP32-WROOM-32

NRND WROOM

ESP32-WROOM-32 contains the ESP32 SoC, flash memory, high-precision discrete components, and a PCB antenna which provides outstanding RF performance in space-constrained applications.

ESP32-WROOM-32 module
18 × 25.5 mm
4MB
Flash
None
PSRAM
38
GPIO pins
18×25.5mm
Size

Specifications

Datasheet ↗

Module

FamilyWROOM
Embedded chipESP32-D0WDQ6
GPIO pins38
AntennaPCB antenna
Dev boardESP32-DevKitC
Operating temp-40°C ~ 85°C
Dimensions18 × 25.5 × 3.1 mm

Memory

Flash4 MB
PSRAMNone

Connectivity

Wi-Fi802.11 b/g/n (2.4 GHz)
Bluetooth4.2
BLE4.2

Module variants

1 variant
Base lowest-cost config Top highest spec High-temp extended temperature range
VariantFlashPSRAMTags
ESP32-WROOM-324 MB-Base

About the ESP32-WROOM-32

The ESP32-WROOM-32 is Espressif’s flagship module, combining the powerful ESP32-D0WDQ6 SoC with a high-performance PCB antenna, all in a compact package. It’s designed for a wide range of applications, from smart home devices to industrial automation, where both Wi-Fi and Bluetooth connectivity are essential.

This module integrates the ESP32 SoC, flash memory, and all necessary components into a single, easy-to-use package. It’s perfect for designs that require reliable wireless communication without the complexity of managing separate components. The PCB antenna provides excellent RF performance, making it suitable for space-constrained applications where traditional antennas might not fit.

With its 4MB flash and no PSRAM, the ESP32-WROOM-32 is optimized for applications that need solid performance without the extra memory overhead. It’s ideal for projects that require efficient use of resources, such as low-power sensor networks, smart appliances, and other IoT devices.

In short, the ESP32-WROOM-32 is your go-to module for reliable, high-performance Wi-Fi and Bluetooth connectivity in a compact form factor. When you’re building a smart home device, an industrial controller, or a wearable gadget, this module delivers the performance and flexibility you need.

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