Not recommended for new designs - prefer a newer module for future projects.

ESP32-WROVER-B

NRND WROVER

ESP32-WROVER-B is a powerful, generic WiFi-BT-Bluetooth LE MCU module that targets a wide variety of applications, ranging from low-power sensor networks to the most demanding tasks, such as voice encoding, music streaming and MP3 decoding.

Variants ↓ Datasheet ↗

18 × 31.4 mm

16MB

Flash

8MB

PSRAM

GPIO pins

18×31.4mm

Size

Specifications

Datasheet ↗

Module

FamilyWROVER

Embedded chipESP32-D0WD

GPIO pins38

AntennaPCB antenna

Dev boardESP32-DevKitC

Operating temp-40°C ~ 85°C

Dimensions18 × 31.4 × 3.3 mm

Memory

Flash4 / 8 / 16 MB

PSRAMUp to 8 MB

Connectivity

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

Bluetooth4.2

BLE4.2

Module variants

3 variants

Base lowest-cost config Top highest spec High-temp extended temperature range

Variant	Flash	PSRAM	Tags
ESP32-WROVER-B-N4R8	4 MB	8 MB	Base
ESP32-WROVER-B-N8R8	8 MB	8 MB
ESP32-WROVER-B-N16R8	16 MB	8 MB	Top

About the ESP32-WROVER-B

ESP32-WROVER-B is a high-performance Wi-Fi + Bluetooth + Bluetooth LE module based on the ESP32-D0WD chip, featuring large PSRAM for multimedia and demanding IoT applications.

2.4 GHz Wi-Fi and Bluetooth Classic/LE
Up to 8MB PSRAM for advanced tasks
Wide operating temperature range: -40°C ~ 85°C
Size: 18 x 31.4 x 3.3 mm
Integrated PCB antenna
Ideal for multimedia, industrial, and IoT

The ESP32-WROVER-B module comes in three variants:

ESP32-WROVER-B-N4R8: This is the basic variant with 4MB of flash and 8MB of PSRAM, suitable for most applications.
ESP32-WROVER-B-N8R8: This variant features 8MB of flash and 8MB of PSRAM, designed for applications requiring more memory.
ESP32-WROVER-B-N16R8: This is the top variant with 16MB of flash and 8MB of PSRAM, ideal for applications needing extensive data storage or complex firmware.

All variants are designed to provide stable connectivity with dual complementary PCB antennas, making them suitable for a wide range of IoT applications, including those in challenging environments.