ESP WROOM 32 MCU Module Version: 1.1

(11 customer reviews)

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Approx Restocking Date: 25 to 30 Days
SKU: 44682
  1. Ultra-low-power management.
  2. Version: 1.1
  3. 4 MB Flash.
  4. Current: 80 mA.
  5. Supply Voltage: 2.2 V ~ 3.6 V.
  6. Data Rate: 54 Mbps.
  7. Frequency: 2.4 GHz.


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Brand: Generic
Category: Other ESP WIFI Modules
Tags: Wifi, WROOM, ESP, Bluetooth, ESP32S, ESP32 Series

This is ESP WROOM 32 MCU Module. ESP WROOM 32 is a powerful, generic WiFi-BT-BLE 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.

At the core of this module is the ESP32S chip, which is designed to be scalable and adaptive. There are 2 CPU cores that can be individually controlled or powered, and the clock frequency is adjustable from 80 MHz to 240 MHz.

The user may also power off the CPU and make use of the low-power coprocessor to constantly monitor the peripherals for changes or crossing of thresholds. ESP32S integrates a rich set of peripherals, ranging from capacitive touch sensors, Hall sensors, low-noise sense amplifiers, SD card interface, Ethernet, high-speed SDIO/SPI, UART, and I²C.

Using Bluetooth, users can connect to their phone or broadcast low energy beacons for its detection. The use of Wi-Fi enables a large physical range, as well as a direct connection to the internet via a Wi-Fi router. Perfect for wearable electronic or battery-powered applications, the ESP32 chip uses less than 5µA.

In addition, this module can support data rates of up to 150 Mbps and 22 dBm output power at the PA in order to allow for the widest physical range.

To learn how to run the “Hello world” program using ESP 32 Click here!

Note: Product may vary from the image shown in terms of Brand Name according to the availability from the supplier 

ESP32 Vs ESp32S:


  1. The ESP-32S is the latest version Wifi Bluetooth combo module is ultra-high performance and ultra-low-power consumption Wi-Fi and Bluetooth combo wireless platform based on ESPRESSIF ESP32 chipset. ESP-32S integrates dual-core processor, 448 KByte ROM,520 KByte SRAM,16 KByte SRAM in RTC, 802.11 b/g/n/e/I Wi-Fi, Bluetooth v4.2 BR/EDR & BLE, clocks & Times, abundant peripheral Interfaces and security mechanism.
  2. ESP-32S Wifi Bluetooth combo module provides SDK Firmware for fast on-line 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.


  1. 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.
  2. The 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 minimal Printed Circuit Board (PCB) area.
  3. ESP32 is designed for mobile, wearable electronics, and Internet of Things (IoT) applications. It has many features of the state-of-the-art low power chips, including fine resolution clock gating, power modes, and dynamic power scaling.

Application :
  1. Universal low power IoT sensor hub.
  2. Home automation.
  3. Universal low power IoT recorder.
  4. Mesh network.
  5. Video streaming of the camera.
  6. Industrial wireless control.
  7. OTT TV box / set-top box device.
  8. Baby monitor.
  9. Smart Socket.
  10. Sensor networks.
  11. Wi-Fi toys: Counters, toys, Anti-lost device.
  12. Wearable electronic products.
  13. Wi-Fi speech recognition device.
  14. Wi-Fi location-aware devices.

Features :

  1. Integrated 520 KB SRAM.
  2. Hybrid Wi-FI & Bluetooth.
  3. High level of integration.
  4. Ultra-low-power management.
  5. 4 MB Flash.
  6. On-board PCB antenna.

Package Includes :

1 x ESP WROOM 32 MCU Module.


Single or Dual core Tensilica Xtensa 32-bit LX6

Operating voltage (v)

2.3 ~ 3.6

Operating current (mA)


Clock Frequency (MHz)

80 ~ 240

Flash memory (MB)


Data Rate (Mbps)


SRAM Memory (KB)


Length (mm):


Width (mm):


Height (mm):


Weight (g):


Shipping Weight 0.015 kg
Shipping Dimensions 3.5 × 7 × 2 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.

Based on 11 reviews

5.0 overall

Add a review

  1. ankit9173782260 (verified owner)

    A very good board for people who wanna get into robotics and iot even just as a hobby. Although it’s a little bit hard and annoying to learn compared to Arduino Uno r3 because of its jumbled pins, it beats the uno in terms of performance. The condition of the board when i received it was perfect and even after making projects using oleds and different sensors it’s working perfectly. Although it glitches when connected to a magnetic active buzzer, but just don’t use the buzzer. 10/10 would recommend.


  2. budhilnigam (verified owner)

    Works great ! Make sure to buy/have a micro usb data cable along with it to use it.


  3. rajchaudhari800 (verified owner)

    Got many of these running in my house, no failures till date. Good cost effective ESP32 board


  4. Varun Warrier (verified owner)

    Everything required in the same small cost-effective package.

    Varun Warrier

  5. Sumit (verified owner)

    It’s awesome development board ❤. I love it and the price is affordable. It’s super worthy. Just one thing it heats a little bit. Otherwise is amazing


  6. gouthams024 (verified owner)

    working, needed drivers cp2102
    chip “esp32”


  7. nilyash81 (verified owner)

    Used for quadcopter project. Used dual core and multitasking. Everything worked fine. Realiable hardware.


  8. Mrinal (verified owner)



  9. Kishore



  10. xbox123456789gamer (verified owner)

    working good


  11. snehadeep.bhowmick (verified owner)

    The best in the world of IoT!


ESP WROOM 32 Datasheet

Board Datasheet

Questions and answers of the customers

    i am using this as for interfacing with analog sen... Read more
  1. 0 votes
    Q i am using this as for interfacing with analog sensor but before connecting the sensor the assign...... Read more answer now
    Asked by rakesh.moambulance on March 23, 2024 6:04 pm

    The ESP WROOM 32 MCU's analog pins may give ran... Read more

  2. I cant write my arduino program to esp32 wroom
  3. 0 votes
    Q I cant write my arduino program to esp32 wroom answer now
    Asked by iammebinjoseph on November 4, 2023 7:49 pm

    Hello, you can refer to this video https://www.... Read more

  4. How does this module differ from ESP32 Module ? i ... Read more
  5. 0 votes
    Q How does this module differ from ESP32 Module ? i can see some extra pins are populated in this m...... Read more answer now
    Asked by koladiya.nilesh on September 26, 2023 9:49 am

    The comparison between ESP32s and ESP32 s given... Read more

  6. Does it have pre soldered header pins ?
  7. 0 votes
    Q Does it have pre soldered header pins ? answer now
    Asked by Ratedbuzzard on August 5, 2023 6:31 am
    A yes
  8. does this has integrated header pins?
  9. 0 votes
    Q does this has integrated header pins? answer now
    Asked by shivanandnaduvin on June 18, 2023 2:58 pm
    A yes
  10. not a review but a query... will I be able to use ... Read more
  11. 0 votes
    Q not a review but a query... will I be able to use this for this.. technical people please check a...... Read more answer now
    Asked by prem on January 8, 2023 9:59 am

    Yes, you can use it but you will need to interf... Read more

  12. What is the Espressif part number for the chip use... Read more
  13. 0 votes
    Q What is the Espressif part number for the chip used in this item? answer now
    Asked by hanuman.atonu on November 9, 2022 8:32 am

    Please go through the datasheet of the product<... Read more

  14. Is it a single core or dual core processor?
  15. 0 votes
    Q Is it a single core or dual core processor? answer now
    Asked by sumantabaskey1020 on April 11, 2022 1:02 am

    It is dual core processor 

  16. Can I get exact pin configuration for this module
  17. 0 votes
    Q Can I get exact pin configuration for this module answer now
    Asked by Trivenugopal on December 21, 2021 5:24 pm


    We have attached the datasheet fo... Read more

  18. how many pins does this board have?
  19. 0 votes
    Q how many pins does this board have? answer now
    Asked by muditomergolden on October 18, 2021 11:33 am

    The ESP WROOM 32 MCU Module Version: 1.1 has... Read more

  20. please share pin diagram
  21. 0 votes
    Q please share pin diagram answer now
    Asked by eklavyatechnosolutions on October 11, 2021 2:32 pm

    Pin diagram is available in datasheet of the pr... Read more

  22. is it possible to use with arduino IDE
  23. 0 votes
    Q is it possible to use with arduino IDE answer now
    Asked by nirmal.graphic on January 25, 2021 2:56 pm
    A Yes
    A Yes
    A absolutely yes
    A Yes, you can easily code and upload sketches with ... Read more
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Country Of Origin: China

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