Home / ESP32-WROOM-32D - Wi-Fi/BT/BLE Module with PCB Antenna

ESP32-WROOM-32D - Wi-Fi/BT/BLE Module with PCB Antenna: 4MB Flash

$3.88

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SKU: GC-ESP32-WROOM-32D-N4

MPN: ESP32-WROOM-32D-N4

Manufacturer: Espressif Systems

Stock Status: In stock

Delivery: Ships same or next business day
Shipping is Free on orders over $75

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Product Information

Product Description

High Temperature option is NOT for new designs. Order quantity is limited to in-stock amounts. 



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The Espressif ESP-WROOM-32D is an industry-leading Wi-Fi, Bluetooth (BT), and Bluetooth Low Energy (BLE) module designed around the ESP32-D0WD chip. This module offers a PCB antenna which increases the RF performance for a wider range of applications.

With the integration of the ESP32-D0WD chip, the device provides two (2) individually controlled and powered CPU cores. The CPU has an adjustable clock frequency (80 MHz to 240 MHz) and can be powered off while a separate low power co-processor continuously monitors the peripherals for changes in status.

Some of the powerful peripherals integrated within the ESP32-D0WD include:

  • High speed SPI
  • UART
  • I²S
  • I²C
  • Ethernet
  • SD card interface
  • Hall sensors
  • Capacitive touch sensors
  • Low-noise sense amplifiers

 

The WROOM-32D utilizes a freeRTOS operating system with LwIP; TLS 1.2 and built-in hardware acceleration. It is fully-customizable with an open-source platform and secure encrypted over-the-air (OTA) updates, allowing firmware to be updated in deployed products with minimal expense.

GitHub provides a large collection of example code and information for device customizations.

Common applications include:

  • Internet of Things (IoT) solutions
  • Wearable electronics
  • Home automation
  • Music streaming
  • MP3 decoding
  • Sensor networks
  • Voice encoding

  

Compare ESP-WROOM-32 Series

 

Order Summary

 

SKU

Flash Memory

Manufacturer Part #
GC-ESP32-WROOM-32D-N4 4MB ESP32-WROOM-32D-N4
GC-ESP-WROOM-32D-8M 8MB ESP32-WROOM-32D-N8
GC-ESP-WROOM-32D-16M 16MB ESP32-WROOM-32D (16 MB)

GC-ESP-WROOM-32D-H4

 4MB ESP32-WROOM-32D-H4

 

Features

Features of the ESP-WROOM-32D

  • Combo Wi-Fi, Bluetooth (BT), and Bluetooth Low Energy (BLE) module
  • Integrates with the ESP32-D0WD chip
  • Two independently controlled CPU cores with adjustable clock frequency from 80MHz to 240MHz
  • Sleep current is less than 5 μA, making it suitable for battery-powered and wearable-electronics applications
  • 4-layer FCC, CE ( RED ), IC, TELEC, SRRC, and KCC-compliant design
  • Classic Bluetooth for legacy connections, supporting:
    - L2CAP
    - SDP
    - GAP
    - SMP
    - AVDTP
    - AVCTP
    - A2DP (SNK)
    - AVRCP
  • Including BLE GATT-based profiles, such as BlueFi, SPP-like, etc.
  • Bluetooth Low Energy (BLE) connects to smart phones, broadcasting low-energy beacons for easy detection
  • Wi-Fi modes: Soft-AP/Station/SoftAP+Station/P2P
  • Fully certified with integrated PCB antenna and software stacks

Documents and Drivers

Documentation

ESP-WROOM-32D Datasheet View (PDF)
ESP-WROOM-32 Datasheet View (PDF)
ESP32 Datasheet View (PDF)

Downloads
ESP-WROOM-32 Reference Design V1.1 - (recommended for developers who design modules themselves) Download (ZIP)
ESP-WROOM-32 Reference Design V1.0 - (recommended for mass-produced modules) Download (ZIP)
ESP-WROOM-32 AT Bin Download (ZIP)

Specifications

ANTENNAS

Internal On-Board PCB antenna

CERTIFICATIONS

FCC1 / CE1 / CE2 / IC / KCC / NCC / SRRC / TELEC

CUSTOMIZE BUTTON HEADER

Programming available

DIMENSIONS

18mm x 25.5mm x 3.1mm

FIRMWARE

Upgrade: UART Download / OTA (via network)
Download and write firmware via host

FREQUENCY BAND

2.4GHz-2.5GHz (2400M-2483.5M)

INTEGRATED CIRCUIT (IC)

ESP32-DOWD

INTERFACE(S)

Wi-Fi mode: station/SoftAP/SoftAP+station/P2P
SD Card, UART, SPI, SDIO, I2C, LED PWM, Motor PWM, I2S, IR
GPIO, Capacitive touch sensor, ADC, DAC, LNA pre-amplier

MEMORY

4 MB, 8 MB, or 16 MB Flash
448kB ROM
536kB SRAM

MPN

ESP32-WROOM-32D-N4

PINS

38 Pins

POWER

Average: 80 mA

PROTOCOLS

Wi-Fi: 802.11 b/g/n/d/e/i/k/r (802.11n up to 150 Mbps)
Wi-Fi: A-MPDU and A-MSDU aggregation and 0.4 guard interval support
Bluetooth: Bluetooth v4.2 BR/EDR and BLE specification
Network: IPv4, IPv6, SSL, TCP/UDP/HTTP/FTP/MQTT

RADIO

Power Output 20.5 dBm
Sensitivity -98dBm

RELATED PRODUCTS HEADING

Related chips and modules

SECURITY/PROTECTION

Security: WPA/WPA2/WPA2-Enterprise/WPS
Encryption: AES/RSA/ECC/SHA

SENSOR(S)

  • Hall sensor
  • Temperature sensor

SOFTWARE

Supports Cloud server development
SDK for custom firmware development

TEMPERATURE RANGE

Operating: -40ºC to 85ºC (-40ºF to 185ºF)
High Temp Option: -40ºC to 105ºC (-40ºF to 221ºF)

TIMERS

On board clock: 26 MHz crystal, 32 kHz crystal

VOLTAGE

Operating: 2.7V ~3.6V

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