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.     Compare ESP-WROOM-02 Series Order Summary   SKU Flash Memory Operating Temperature Manufacturer Part # (MPN) GC-ESP-WROOM-02U (SALE) 2 MB -40ºC to 85ºC (-40ºF to 185ºF) ESP-WROOM-02U GC-ESP-WROOM-02U-N4 4 MB -40ºC to 85ºC (-40ºF to 185ºF) ESP-WROOM-02U-N4 GC-ESP-WROOM-02U-H2 2 MB -40ºC to 105ºC (-40ºF to 221ºF) ESP-WROOM-02U-H2