WIFI module ESP32 ESP-WROOM-32

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The ESP-WROOM-32 is a powerful, high-performance general-purpose module with a built-in microcontroller core and support for Wi-Fi + BT communication standards, it is designed for a wide range of energy efficient applications. The module fully meets the requirements of tasks such as voice and video transmission, streaming audio and MP3 audio. The module is based on the ESP32-D0WDQ6 chipset, known for its ease of use and wide range of application. The chipset contains a dual-core processor with the possibility of clocking from 80 MHz to 240 MHz. The user has the ability to completely disable the built-in CPU and leave only the coprocessor to work on continuous monitoring of the peripherals for exceeding threshold by the signals from external sensors. ESP32 integrates a wide range of integrated peripherals, including capacitive touch sensors, Hall sensors, low-noise amplifiers, SD-card interface, Ethernet, high-speed SPI, UART, I2S and I2C.

The built-in support for Bluetooth and Wi-Fi ensures a great foundation for your future projects: Wi-Fi allows you to talk about high efficiency of use in tasks where you connect to the Internet via Wi-Fi - a router; thanks to Bluetooth, the user can connect the module to a smartphone or any other user device. The sleep mode of the ESP32 is less than 5 µA, making it the optimal solution for battery-powered devices. ESP32 supports data rates of up to 150 Mbps and an output power of 20.5 dBm to the antenna. Thus, the chip represents the industry-leading specification of parameters and superior performance of the processor core, wireless controller, high communication range, optimum power consumption, and a wide range of communication capabilities. Secure firmware update over the air (OTA) is supported, so the end device firmware can always be kept up to date.



• Radio Frequency Certification: FCC / CE / IC / TELEC / KCC / SRRC / NCC

• Protocols:

• 802.11 b / g / n / e / i (802.11n up to 150 Mbps)

• A-MPDU and A-MSDU Aggregation and Security Interval 0.4 s

• Frequency range: 2.4 ~ 2.5 GHz

• Bluetooth

• Protocols: Bluetooth v4.2 BR / EDR and BLE specification


• Sensitivity -97 dBm

• Transmitter power classes: Class-1, class-2 and class-3

• AFH adaptive frequency tuning

• Audio: CVSD and SBC

• Hardware


• SD card, UART, SPI, SDIO, I2C, LED PWM, PWM motor control, I2S, IR

• GPIO, capacitive touch sensor, ADC, DAC, low-noise preamplifier

• Chipset sensors: Hall sensor, temperature sensor

• Clock Generators: 40 MHz Quartz

• Power supply: 2.7 ~ 3.6 V

• Average current consumption: 80 mA

• Minimum rated power supply current: 500 mA

• Operating temperature range: -40 ° C ~ + 85 ° C

• Case Size: 18x25.5x3.1 mm


• Wi-Fi Modes: Station / SoftAP / SoftAP + Station / P2P

• Wi-Fi Security: WPA / WPA2 / WPA2-Enterprise / WPS

• Encryption: AES / RSA / ECC / SHA

• Firmware update: via UART / OTA (via radio, via network)

• Development of own software: Development support through the cloud server / special SDK (Software Development Kit)

• Network protocols: IPv4, IPv6, SSL, TCP / UDP / HTTP / FTP / MQTT

• Custom setting: a set of AT commands, setting via a cloud server, setting via Android / iOS applications

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Dimensional drawing

Dimensions WIFI module ESP32 ESP-WROOM-32 Dimensions WIFI module ESP32 ESP-WROOM-32


Pinout WIFI module ESP32 ESP-WROOM-32 Pinout WIFI module ESP32 ESP-WROOM-32


Schematic of WIFI module ESP32 ESP-WROOM-32


Datasheet ESP32


Datasheet ESP32 WROOM