ESP-WROOM-32 Wifi Bluetooth Combo Module


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SKU: 29782
  1. CPU and Memory: Xtensa® 32-bit LX6 Dual-core processor, up to 600 DMIPS.
  2. 448 KByte ROM
  3. 520 KByte SRAM
  4. 16 KByte SRAM in RTC.
  5. QSPI can connect up to 4* Flash/SRAM, each flash should be less than 16 Mbytes.
  6. Supply Voltage: 3V~3.6V


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Brand: Generic
Category: Other ESP WIFI Modules
Tags: Wifi, Wireless, ESP, ESP32, ESP-32S, ESP32 Series

ESP-32 Wifi Bluetooth combo module is an ultra-high performance and ultra-low-power consumption Wi-Fi and Bluetooth combo wireless platform based on ESPRESSIF ESP32 chipset. ESP-32 integrates the 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.

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.

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.

Pin Description :

Generic Esp32 Pinout

Security :
  1. IEEE 802.11 standard security features all supported, including WFA, WPA/WPA2, and WAPI
  2. Secure boot
  3. Flash encryption
  4. 1024-bit OTP, up to 768-bit for customers
  5. Cryptographic hardware acceleration: -AES-HASH(SHA-2) library-RSA-ECC-Random Number Generator (RNG)
Application :
  1. Generic low power IoT sensor hub
  2. Generic low power IoT loggers
  3. Video streaming from camera
  4. Over The Top (OTT) devices
  5. Music players – Internet music players – Audio streaming devices
  6. Wi-Fi enabled toys – Loggers – Proximity sensing toys
  7. Wi-Fi enabled speech recognition devices
  8. Audio headsets
  9. Smart power plugs
  10. Home automation
  11. Mesh network



Specification and Features:

  1. CPU and Memory: Xtensa® 32-bit LX6 Dual-core processor, up to 600 DMIPS.
  2. 448 KByte ROM
  3. 520 KByte SRAM
  4. 16 KByte SRAM in RTC.
  5. QSPI can connect up to 4* Flash/SRAM, each flash should be less than 16 Mbytes.
  6. Supply Voltage: 3V~3.6V
  7. WiFi :
    1. 802.11 b/g/n/e/i.
    2. 802.11 n (2.4 GHz), up to 150 Mbps.
    3. WMM-PS, UAPSD.
    4. 802.11 e: QoS for wireless multimedia technology.
    5. MPDU and A-MSDU aggregation.
    6. Block ACK.
    7. Fragmentation and defragmentation.
    8. Automatic Beacon monitoring/scanning.
    9. 802.11 I security features: pre-authentication and TSN.
    10. Wi-Fi Protected Access (WPA)/WPA2/WPA2-Enterprise/Wi-Fi Protected Setup (WPS).
    11. Infrastructure BSS Station mode/SoftAP mode.
    12. Wi-Fi Direct (P2P), P2P Discovery, P2P Group Owner mode and P2P Power Management.
    13. UMA compliant and certified.
    14. Antenna diversity and selection.
  8. Bluetooth :
    1. Compliant with Bluetooth v4.2 BR/EDR and BLE specification
    2. Class-1, class-2 and class-3 transmitter without the external power amplifier
    3. Enhanced power control
    4. +10 dBm transmitting power
    5. NZIF receiver with -98 dBm sensitivity
    6. Adaptive Frequency Hopping (AFH)
    7. Standard HCI based on SDIO/SPI/UART High-speed UART HCI, up to 4 Mbps
    8. BT 4.2 controller and host stack
    9. Service Discovery Protocol (SDP)
    10. General Access Profile (GAP)
    11. Security Manager Protocol (SMP)
    12. Bluetooth Low Energy (BLE)
    13. ATT/GATT
    14. HID
    15. All GATT-based profile supported
    16. SPP-Like GATT-based profile
    17. BLE Beacon
    19. CVSD and SBC for audio codec
    20. Bluetooth Piconet and Scatternet
  9. Clocks and Timer:
    1. Internal 8 MHz oscillators with calibration
    2. Internal RC oscillator with calibration
    3. External 2 MHz to 40 MHz crystal oscillator
    4. External 32 kHz crystal oscillator for RTC with calibration
    5. Two timer groups, including 2 x 64-bit timers and 1 x main watchdog in each group
    6. RTC watchdog
  10. Peripheral Interface :
    1. 12-bit SAR ADC up to 18 channels
    2. 2 × 8-bit D/A converters
    3. 10 × touch sensors
    4. Temperature sensor
    5. 4 × SPI, 2 × I2S, 2 × I2C, 3 × UART
    6. 1 host (SD/eMMC/SDIO), 1 slave (SDIO/SPI)
    7. Ethernet MAC interface with dedicated DMA and IEEE 1588 support
    8. CAN 2.0
    9. IR (TX/RX)
    10. Motor PWM, LED PWM up to 16 channels
    11. Hall sensor
    12. Ultra low power analog pre-amplifier

Package Includes :

1 x ESP-WROOM-32  Wifi Bluetooth Combo Module.

Length (mm):


Width (mm):


Height (mm):


Weight (g):


Shipping Weight 0.015 kg
Shipping Dimensions 3 × 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. 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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Questions and answers of the customers

  1. 0 votes
    Q how i can program this module. please guide ... answer now
    Asked by rakesh.moambulance on April 1, 2024 7:32 pm

    Hey Dear! you can reach to us by rising your ti... Read more

  2. 0 votes
    Q What is the Espressif part number for this item? answer now
    Asked by hanuman.atonu on November 9, 2022 8:30 am

    The Espressif part number for the ESP32-D0WDQ6 ... Read more

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Country Of Origin: China

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