ESP-WROOM-02U - Low-Power Wi-Fi Module with U.FL (IPEX) Connector

The ESP-WROOM-02U is a compact, low-power, Wi-Fi module incorporating the ESP8266EX chip. The device supports an external U.FL (IPEX) connector for optimized RF performance. It’s low power consumption and compact size (18 x 14.3 x 3.2 mm) makes the device essential for Internet of Things (IoT) applications.

Common applications include:

• Internet of Things (IoT) solutions
• Industrial wireless control
• Wearable electronics
• Home automation
• Sensor networks
• Wi-Fi location-aware devices

The ESP8266EX chip provides a Tensilica L106 32-bit RISC processor with a maximum clock speed of 160 MHz. The chip supports SPI flash memory with options of 2MB or 4MB and works with the following SPI modes:

• Standard SPI
• DIO (Dual I/O)
• DOUT (Dual Output)
• QIO (Quad I/O)
• QOUT (Quad Output)

The WROOM-02U is customizable with 80% of the processing power available for development through the Real-Time Operating System (RTOS) and Wi-Fi stacks. GitHub provides additional information and code examples.

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