The ESP-WROOM-32 is a powerful and highly integrated Wi-Fi and Bluetooth module based on the ESP32 system-on-chip (SoC). Developed by Espressif Systems, the ESP-WROOM-32 module offers a versatile and feature-rich solution for IoT (Internet of Things) applications.
Key features of the ESP-WROOM-32 module include:
1. Dual-core Processor: The ESP-WROOM-32 is equipped with a dual-core Xtensa LX6 processor, offering clock speeds up to 240 MHz. This powerful processing capability allows for efficient multitasking and handling of complex tasks, making it suitable for demanding applications.
2. Wi-Fi Connectivity: The module supports 2.4 GHz Wi-Fi connectivity, compliant with the IEEE 802.11 b/g/n standards. It provides reliable and stable wireless communication, allowing devices to connect to local networks or the internet for data exchange.
3. Bluetooth Support: In addition to Wi-Fi, the ESP-WROOM-32 module integrates Bluetooth functionality, supporting both classic Bluetooth and Bluetooth Low Energy (BLE). This enables seamless connectivity and communication with other Bluetooth-enabled devices, such as smartphones, tablets, and wearables.
4. Extensive GPIO Pins: The module features a wide range of GPIO (General Purpose Input/Output) pins, allowing for flexible interfacing with sensors, actuators, and other external devices. These GPIO pins can be configured for various purposes, such as digital input/output, analog input, PWM (Pulse Width Modulation), and more.
5. Rich Peripheral Set: The ESP-WROOM-32 module provides a rich set of peripherals, including UART, SPI, I2C, I2S, ADC, DAC, and capacitive touch sensing. These peripherals enable easy integration with a variety of external components and expand the module’s capabilities for different applications.
6. Memory and Storage: The module offers ample memory and storage options to accommodate program code, data, and other resources. It typically includes up to 520 KB of SRAM and up to 4 MB of Flash memory, providing sufficient space for application development and data storage.
7. Development Ecosystem: Espressif Systems provides comprehensive development tools and resources for the ESP-WROOM-32 module. This includes an integrated development environment (IDE), software development kits (SDKs), libraries, and extensive documentation, enabling developers to quickly prototype and deploy IoT solutions.
Conclusion: The ESP-WROOM-32 module is a versatile and powerful Wi-Fi and Bluetooth module based on the ESP32 SoC. With its dual-core processor, Wi-Fi and Bluetooth connectivity, extensive GPIO pins, rich peripheral set, and ample memory and storage options, the ESP-WROOM-32 module offers a feature-rich solution for IoT applications. Whether you’re building smart home devices, wearables, industrial automation systems, or any other IoT project, the ESP-WROOM-32 module provides a reliable and flexible platform to bring your ideas to life.
Wi-Fi protocol: 802.11 b/g/n (802.11n, speed up to 150 Mbps)
A-MPDU and A-MSDU aggregation, support 0.4 μs guard interval
Frequency range 2.4 GHz ~ 2.5 GHz
Bluetooth protocol: Compliant with Bluetooth v4.2 BR/EDR and BLE standards
Bluetooth radio: NZIF receiver with -97 dBm sensitivity, Class-1, Class-2 and Class-3 transmitters, AFH
Bluetooth audio: CVSD and SBC audio
Module interface: SD card, UART, SPI, SDIO, I2C, LED PWM, motor PWM, I2S, IR, pulse counter, GPIO,
capacitive touch sensor, ADC, DAC, two-wire automotive interface
On-chip Hall sensor
Integrated SPI flash: 4 MB
Working voltage/supply voltage: 3.0 V ~ 3.6 V