Espressif Systems’ ESP32-WROOM-32D is a powerful Wi-Fi and Bluetooth-enabled module. This little module is built on the ESP32-D0WDQ6 chip, which has a dual-core 32-bit CPU that runs at up to 240 MHz and has 520 KB of SRAM and 448 KB of ROM. It also has Wi-Fi and Bluetooth capabilities, making it suitable for a broad variety of IoT applications.

Wi-Fi capabilities support both the 2.4 GHz and 5 GHz bands, as well as the 802.11 b/g/n and 802.11 a/n/ac standards. It also incorporates encryption methods WPA/WPA2 and WEP for safe communication.

Bluetooth compatibility includes both Traditional Bluetooth and Bluetooth Low Energy (BLE) protocols, as well as Bluetooth 4.2 and 5.0 standards. It also has Bluetooth Mesh networking capability, which enables the building of large-scale device networks.

The ESP32-WROOM-32D has a variety of peripherals and interfaces, including GPIOs, SPI, I2C, UART, ADC, and DAC, in addition to its strong processing and wireless capabilities. It also has SD card capabilities, touch sensors, and a temperature sensor integrated into it.

The ESP32-WROOM-32D module has a small footprint, measuring just 18 x 25.5 mm, making it simple to incorporate into a variety of products and applications. It is also built for minimal power consumption, with deep sleep modes and power management capabilities to help you get the most out of your battery.

With its mix of Wi-Fi, Bluetooth, and robust processing capabilities, as well as a broad variety of peripherals and low power consumption, the ESP32-WROOM-32D module offers a flexible and powerful solution for a wide range of IoT applications. Because of its small size and simplicity of integration, it is a popular option among IoT developers and product designers.

ESP32-WROOM-32E is an enhanced version of the ESP32-WROOM-32D, offering several improvements in performance and power management. The ESP32-WROOM-32E has a more advanced scheme designed to mitigate interference between Wi-Fi and Bluetooth signals, which can improve performance compared to the ESP32-WROOM-32D.