ESP32-WROOM-32E

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ESP32-WROOM-32E

WiFi Modules - 802.11

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Description

The ESP32-WROOM-32E is a powerful, low-cost microcontroller module designed for IoT applications. It integrates a dual-core 32-bit processor (Xtensa® 32-bit LX6), offering a clock speed of up to 240 MHz, along with 520 KB of SRAM and 4 MB of flash memory. This versatile module supports Wi-Fi and Bluetooth (Classic and BLE), making it ideal for wireless communication.
Key features include a wide range of GPIO pins, ADC channels, PWM outputs, and various communication protocols such as SPI, I2C, and UART. The ESP32-WROOM-32E also supports deep sleep modes, enabling energy-efficient designs, which is crucial for battery-operated devices.
The module is widely adopted in applications such as home automation, sensor networks, and wearable devices, thanks to its robust performance and extensive development support through platforms like Arduino and ESP-IDF. Its compact form factor and rich functionality make the ESP32-WROOM-32E a popular choice for both hobbyists and professional developers in the burgeoning IoT space.

Features

The ESP32-WROOM-32E is a powerful microcontroller module featuring:
1. Dual Core Processor: Dual-core Xtensa® 32-bit LX6 microprocessor, capable of running at up to 240 MHz.
2. Wi-Fi and Bluetooth: Integrated 802.11 b/g/n Wi-Fi and Bluetooth 4.2 (Classic and BLE) connectivity.
3. Memory: 520 KB SRAM and 4 MB of flash memory for storage and execution.
4. GPIO: Up to 34 programmable GPIO pins, supporting various interfaces like SPI, I2C, UART, PWM, ADC, and DAC.
5. Low Power Consumption: Multiple power modes for battery-operated applications, including deep sleep mode.
6. Rich Peripherals: Includes hardware support for SD cards, camera interface, and various sensors.
7. Security Features: Secure boot, flash encryption, and hardware random number generator for enhanced security.
8. Development Support: Compatible with popular development frameworks like Arduino, ESP-IDF, and MicroPython.
These features make the ESP32-WROOM-32E suitable for IoT applications, wearables, and smart devices.

Package

The ESP32-WROOM-32E is packaged in a module format, specifically a PCB module. It features a compact design with dimensions of approximately 25.5mm x 18mm. This module integrates the ESP32 chip with essential components like antennas and flash memory, making it suitable for various IoT applications.

Pinout

The ESP32-WROOM-32E module has a total of 38 pins. The primary functions of these pins include:
1. Power Supply:
- V5 (5V) & V3 (3.3V): Power input pins.
- GND: Ground pins.
2. GPIO (General Purpose Input/Output):
- Multiple GPIO pins for digital I/O operations, PWM, ADC, and more.
3. Communication Interfaces:
- UART: Serial communication interfaces (TX, RX).
- SPI: Serial Peripheral Interface pins.
- I2C: Inter-Integrated Circuit pins.
4. Wireless Connectivity:
- Integrated Wi-Fi and Bluetooth functionality.
5. Special Functions:
- Boot and reset pins (EN, IO0).
- ADC (Analog-to-Digital Converter) inputs.
- Touch sensor inputs.
The ESP32-WROOM-32E is versatile and widely used in IoT applications, enabling connectivity and control in various projects.

Manufacturer

The manufacturer of the ESP32-WROOM-32E is Espressif Systems, a company based in Shanghai, China. Founded in 2008, Espressif specializes in designing and manufacturing wireless communication and IoT (Internet of Things) solutions. The company is well-known for its low-power, high-performance microcontrollers and SoCs (System on Chips) that facilitate Wi-Fi and Bluetooth connectivity. The ESP32 series, including the WROOM-32E, is particularly popular in the maker community and among developers for its versatility in various applications, including home automation, wearables, and smart devices. Espressif is recognized for its commitment to innovation and open-source development, providing extensive documentation and support for its products.

Application

The ESP32-WROOM-32E is widely used in IoT applications, smart home devices, wearable electronics, industrial automation, and data logging. Its dual-core processor, Wi-Fi, and Bluetooth capabilities make it ideal for remote monitoring, smart agriculture, health tracking, and environmental sensing. Additionally, it serves in robotics, voice assistants, and home automation systems, enabling efficient connectivity and control.

Equivalent

Equivalent products to the ESP32-WROOM-32E chip include the ESP32-WROVER series, which offers additional RAM and integrated PSRAM, and the ESP32-S2 and ESP32-C3 variants, which provide similar functionality with different features. Other alternatives are the Nordic Semiconductor nRF52840 and the Raspberry Pi Pico W, depending on specific application needs like processing power or wireless capabilities.

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