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ESPRESSIF ESP32-WROOM-32 MCU Modules are powerful and generic Wi-Fi/BT/BLE MCU modules that target a wide variety of applications. These modules target applications ranging from low-power sensor networks to the most demanding tasks, such as voice encoding, music streaming, and MP3 decoding. The ESP32-WROOM-32 MCU Modules use the ESP32-D0WD chip at their core. This SoC features two CPU cores that can be individually controlled, and the CPU clock frequency is adjustable from 80 MHz to 240MHz. The ESP32 integrates a rich set of peripherals, ranging from capacitive touch sensors, Hall sensors, SD card interface, Ethernet, high-speed SPI, UART, I2S, and I2C.
| Microprocessor | Tensilica Xtensa LX6 |
| Operating voltage supply | 2.7 V - 3.6 V |
| Digital I/O Pins | 39 (of which 34 is normal GPIO pin) |
| Integrated SPI Flash | 4 MB |
| Integrated Crystal | 40 MHz |
| Average operating current | 80 mA |
| Sensor type | Hall sensor |
| Bluetooth | v4.2 BR/EDR and BLE |
| Wifi Protocols | 802.11 b/g/n |
| Operating temperature range | -40 °C - 85 °C |
