Espressif Systems ESP32-WROOM-32 MCU Modules
Espressif Systems ESP32-WROOM-32 MCU Modules are powerful and generic Wi-Fi/BT/BLE MCU modules that target various 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-32U module is different from ESP32-WROOM-32D as it integrates a U.FL connector which needs to be connected to an external IPEX antenna.
The Espressif Systems ESP32-WROOM-32 MCU Modules use the ESP32-D0WD chip at the core. This SoC features two CPU cores that can be individually controlled, and the CPU clock frequency is adjustable from 80MHz 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.
Features
- Two low-power Xtensa® 32-bit LX6 microprocessors
- ESP32-D0WD core
- Supports multiple external QSPI Flash and SRAM chips
- 32Mbits 3.3V SPI flash
- 40MHz crystal
- Onboard PCB antenna for ESP32-WROOM-32D
- U.FL connector (which needs to be connected to an external IPEX antenna) for ESP32-WROOM-32U
- Advanced power-management technologies
Specifications
- 802.11 b/g/n (802.11n up to 150Mbps) Wi-Fi protocol
- BLUETOOTH® v4.2 BR/EDR and BLE
- SD card, UART, SPI, SDIO, I2C, LED PWM, Motor PWM, I2S, and IR module interfaces
- Hall sensor
- 2.7V to 3.6V operating voltage supply
- 80mA average operating current
- -40°C to 85°C operating temperature range
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