MIKROE WiFi ESP Click carries the ESP-WROOM-02 module that integrates ESP8266EX. The Click is designed to run on a 3.3V power supply. It communicates with the target microcontroller over UART interface and the following pins on the mikroBUS™ line: RST, CS.
ACCESS POINT AND WIFI CLIENT MODE
WiFi ESP Click can function in both AP (Access Point) WiFi mode, as well as in WiFi client mode. The Click brings easy implementation and usage.
The module supports the following network protocols: IPv4/TCP/UDP/HTTP/FTP. Thanks to this the Click can operate as a client device requesting a file from a file server device (FTP - file transfer protocol) in local network systems, or request a web page via internet (IP/TCP/HTTP). It can also be used as a small web server, for example a wireless weather station prototype, etc.
Station mode is default when the Click is in WiFi client mode.
ESP-WROOM-02 MODULE FEATURES
ESP-WROOM-02 carries ESP8266EX highly integrated Wi-Fi SoC solution to meet the continuous demands for efficient power usage, compact design and reliable performance in the industry.
Besides the Wi-Fi functionalities, ESP8266EX integrates an enhanced version of Tensilica’s L106 Diamond series 32-bit processor and on-chip SRAM. As well as antenna switches, RF balun, power amplifier, low noise receiver amplifier, filters and power management modules.
With the complete and self-contained Wi-Fi networking capabilities, it can perform as either a standalone application (WROOM module itself) or the peripheral to an MCU host which is the primary intention of the Click board™ as a whole. So, this Click board™ is applied to any microcontroller design as a Wi-Fi adaptor through UART interface (RX,TX lines on mikroBUS pin socket).
For more information see the datasheet.
There are additional pad headers onboard (HSPI/GPIO interface of the module) for advanced usage.
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