Espressif ESP32-WROVER-B 16M 128Mbit Flash WiFi Bluetooth Module


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Approx Restocking Date: 25 to 30 Days
SKU: 975757
  1. Wifi: 802.11 b/g/n (802.11n up to 150 Mbps)
  2. Frequency range 2.4 GHz ~ 2.5 GHz
  3. Bluetooth: v4.2 BR/EDR and BLE
  4. Radio: NZIF receiver with –97 dBm sensitivity, Class-1, class-2, and class-3 transmitter, AFH
  5. Audio: CVSD and SBC
  6. On-chip sensor: Hall sensor


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Brand: Espressif
Category: Other ESP WIFI Modules
Tags: Wifi, Bluetooth, Espressif WiFi

Espressif ESP32-WROVER-B Wireless Module is a powerful, generic WiFi-BT-BLE MCU module that targets a wide variety of applications. These applications range from low-power sensor networks to the most demanding tasks, such as voice encoding, music streaming, and MP3 decoding. ESP32-WROVER-B features a 16MB external SPI flash and an additional 128MB SPI Pseudo static RAM (PSRAM).

The ESP32-WROVER-B MCU Modules use the ESP32-D0WD chip at its core. This SoC features two CPU cores that can be individually controlled, and the CPU clock frequency is adjustable from 80MHz to 240MHz. The ESP32 integrates a rich set of peripherals, ranging from capacitive touch sensors, Hall sensors, SD card interface, Ethernet, high-speed SPI, UART, I2S, and I2C.

ESP-32S Wifi Bluetooth combo module provides SDK Firmware for fast online programming and open source toolchains based on GCC for development support. It is designed for Generic low power IoT sensor hub, loggers, video streaming for the camera, Wi-Fi & Bluetooth enabled devices, Home automation, and mesh network applications, aimed at makers, hardware engineers, software engineers and solution provides.

ESP32 is a single chip 2.4 GHz Wi-Fi and Bluetooth combo chip designed with TSMC ultra-low-power 40 nm technology. It is designed and optimized for the best power performance, RF performance, robustness, versatility, features, and reliability, for a wide variety of applications, and different power profiles.

ESP32 is the most integrated solution for Wi-Fi + Bluetooth applications in the industry with less than 10 external components. ESP32 integrates the antenna switch, RF balun, power amplifier, low noise receive amplifier, filters, and power management modules. As such, the entire solution occupies a minimal Printed Circuit Board (PCB) area.

ESP32 is designed for mobile, wearable electronics, and the Internet of Things (IoT) applications. It has many features of state-of-the-art low power chips, including fine resolution clock gating, power modes, and dynamic power scaling.


  1. ESP32 embedded, two or one Xtensa 32-bit LX6 microprocessor(s) with adjustable clock frequency, ranging from 80 MHz to 240 MHz.
  2. +19.5 dBm output power ensures a good physical range.
  3. Classic Bluetooth for legacy connections, also supporting L2CAP, SDP, GAP, SMP, AVDTP, AVCTP, A2DP (SNK), and AVRCP (CT).
  4. Support for Bluetooth Low Energy (Bluetooth LE) profiles including L2CAP, GAP, GATT, SMP, and GATT-based profiles like BluFi, SPP-like, etc.
  5. Bluetooth Low Energy (Bluetooth LE) connects to smartphones, broadcasting low-energy beacons for easy detection.
  6. The sleep current is less than 5 μA, making it suitable for battery-powered and wearable electronics applications.
  7. Peripherals include capacitive touch sensors, Hall sensor, SD card interface, Ethernet, high-speed SPI, UART, I2S, and I2C.
  8. Fully certified with integrated antenna and software stacks.

Package Includes:

1 x Espressif ESP32-WROVER-B 16M 128Mbit Flash WiFi Bluetooth Module

SKU: 975757 Category: Tags: , ,

Xtensa 32-bit LX6

Operating Voltage (VDC)

3 ~ 3.6


802.11 b/g/n

Bluetooth Version

BLE, v4.2 BR/EDR

Wi-Fi Mode


Frequency Range

2.4 GHz ~ 2.5 GHz


NZIF receiver with –97 dBm sensitivity, AFH



Integrated Crystal

40 MHz

Integrated PSRAM

128 MB

Minimum Current

500 mA

SPI Flash

16 MB

Length (mm):


Width (mm):


Height (mm):


Weight (g):


Shipping Weight 0.015 kg
Shipping Dimensions 4 × 2 × 1 cm
15 Days Warranty

This item is covered with a standard warranty of 15 days from the time of delivery against manufacturing defects only. This warranty is given for the benefit of Robu customers from any kind of manufacturing defects.  Reimbursement or replacement will be done against manufacturing defects.

What voids warranty:

If the product is subject to misuse, tampering, static discharge, accident, water or fire damage, use of chemicals & soldered or altered in any way.

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Country Of Origin: China