About ESP32 Wroom 32D
ESP32-WROOM-32D is a powerful, generic WiFi + BT + BLE MCU modules that targets a wide variety of applications, ranging from low-power sensor networks to the most demanding tasks, such as voice encoding, music streaming and MP3 decoding.
Just like ESP32-WROOM-32U, this module also has ESP32-D0WD chip at its core. This chip has 2 CPU cores which can be individually controlled. The clock frequency is adjustable from 80 Mhz to 240 Mhz. The user can also power off the CPU and instead make use of the low power co-processor to constantly monitor the peripheral changes or crossing of thresholds. This chip integrates a rich set of peripherals, from capacitive touch sensor, Hall sensors, SD Card interface, ethernet, high speed SPI, UART, I2S and I2C.
The integration of Bluetooth, Bluetooth LE and WiFi ensures that a wide range of applications can be targeted, and that the module is all-around. Using WiFi allows a large physical range and direct connection to the Internet through a WiFi router, while using Bluetooth allows the user to conveniently connect to the phone or broadcast low energy beacons for its detection.
The sleep current of the ESP32 chip is less than 5 µA. So, its suitable for battery powered and wearable electronics applications. The module supports a data rate of up to 150 Mbps, and 20 dBm output power at the antenna to ensure the widest physical range. As such the module does offer industry-leading specifications and the best performance for electronic integration, range, power consumption, and connectivity.
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