MIKROE-2542 Datasheet MIKROE-2542 | P1-P3

WiFi ESP click

PID: MIKROE-2542



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 slave 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.

http://www.espressif.com/sites/default/files/documentation/0c-esp-wroom-02_datasheet_en.pdf

Advancedusage

There are additional pad headers onboard (HSPI/GPIO interface of the module) for advanced

usage.

For more information see the Documentation tab.

Keyfeatures

 ESP‐WROOM‐02module

o 802.11b/g/n

o Protocols:IPv4/TCP/UDP/HTTP/FTP

o Frequencyrange:2.4GHz~2.5GHz

o 32‐bitprocessor

o onchipSRAM

 PCBantenna

 UARTinterface

 3.3Vpowersupply

Product Type Wi-Fi

Applications Create smart appliances, home automation systems, wireless data loggers, etc

MCU ESP-WROOM-02

Key Features

Protocols: IPv4, TCP/UDP/HTTP/FTP, 802.11 b/g/n standard, UART interface,

3.3V power supply

Key Benefits The click can function in both AP mode and WiFi client mode

Interface UART

Power Supply 3.3V

Compatibility mikroBUS

Click board

size

M (42.9 x 25.4 mm)

Pinoutdiagram

This table shows how the pinout on WiFi ESP click corresponds to the pinout on the

mikroBUS™ socket (the latter shown in the two middle columns).

Notes Pin



mikroBUS



Pin Notes

Notconnected NC 1 AN PWM 16 NC Notconnecte d 

HWReset RST 2 RST INT 15 NC Notconnected

Chipenable(active

high)

EN 3 CS TX 14 TX

UART0_TXD/TransmitendinUARTdownload

(program)mode

Notconnected NC 4 SCK RX 13 RX

UART0_RXD/ReceiveendinUARTdownload

(program)mode

Notconnected NC 5 MISO SCL 12 NC Notconnected

Notconnected NC 6 MOSI SDA 11 NC Notconnected

Powersupply +3.3V 7 3.3V 5V 10 NC Notconnected 

Ground GND 8 GND GND 9 GND Ground

P1-P3 P4-P6

MIKROE-2542

Mfr. #:

Buy MIKROE-2542

Manufacturer:

Description:

WIFI ESP CLICK

Lifecycle:

New from this manufacturer.

Delivery:

DHL FedEx Ups TNT EMS

Payment:

T/T Paypal Visa MoneyGram Western Union

Products related to this Datasheet

MIKROE-2542