WiFi 6 Click

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  • MIKROE-2043
  • MIKROE-2043
WiFi 6 click  features Bleugiga’s  WF121-A  self-contained WiFi module. With a... more
Product information "WiFi 6 Click"

WiFi 6 click features Bleugiga’s WF121-A self-contained WiFi module. With a fully integrated radio and 32-bit microcontroller, this module is ideal for embedded applications. WiFi 6 click is designed to run on a 3.3V power supply. It communicates with the target MCU the mikroBUS™ UART (TX, RX), SPI, or IC2, with additional functionality provided by CTS pin (in place of default mikroBUS™ INT pin).

SPI interface can be accessed by jumpers on the click board.

mikroProg connector

A mikroProg connector allows to update the firmware of the internal PIC32.

WF121-A WiFi module

The module’s 2.4GHz band radio is fully compliant with IEEE 802.11b/g/n and offers excellent radio performance.

It allows the end user applications to be embedded onto the integrated PIC32MX695H, a 32-bit 80MHz microcontroller with 128KB RAM and 512KB Flash memory, for development of lower-cost and smaller sized products. Also, integrated on-board is a single power supply.

Power saving client mode

In WiFi client mode, the WF121 radio core automatically powers on the RF circuitry only when needed. The WiFi core processors support automatic sleep modes when not communicating actively, allowing very low idle consumption. When used as an access point, the radio core must receive constantly and cannot enter sleep modes.

Integrated firmware on the module

The integrated firmware provides WiFi and networking stack services (TCP/IP, UDP, DHCP, DNS).

Key features

  • WF121-A WiFi module
    • 2.4GHz band IEEE 802.11 b/g/n radio
    • TX power: +16 dBm
    • RX sensitivity: -97 dBm
    • 32-bit embedded microcontroller
  • Interface: UART, SPI or I2C
  • 3.3V power supply


Type Wi-Fi
Applications PoS Terminals, RFID and laser scanners, Wi-Fi internet radios and audio streaming products
On-board modules Bluegiga's WF121-A self-contained Wi-Fi module
Key Features On-board PIC32MX695H for application development
Key Benefits Supports IP, TCP, UDP, DHCP and DNS protocols, Compliant with IEEE 802.11b/g/n
Input Voltage 3.3V
Compatibility mikroBUS
Click board size L (57.15 x 25.4 mm)

Pinout diagram

This table shows how the pinout on WiFi 6 click corresponds to the pinout on the mikroBUS™ socket (the latter shown in the two middle columns).

NotesPinMikrobus logo.png


Not connected NC 1 AN PWM 16 NC Not connected
Not connected NC 2 RST INT 15 CTS Clear To Send
SPI chip select CS 3 CS TX 14 TXD UART transmit
SPI clock SCK 4 SCK RX 13 RXD UART receive
SPI Master Input Slave Output MISO 5 MISO SCL 12 SCL I2C clock
SPI Master Output Slave Input MOSI 6 MOSI SDA 11 SDA I2C data
Power supply +3.3V 7 3.3V 5V 10 NC Not connected
Ground GND 8 GND GND 9 GND Ground


This snippet shows how easy it is to connect to the WiFi 6 click and begin communication.

 1 void main ()
2 {
4     //TFT display output initialization.
5     init_TFT();
7     //USB UART initialization.
8     UART1_Init(115200);
9     show_status("rn**************************",1);
10     show_status("UART1 initialized",1);
12     //WF121 UART initialization.
13     init_WF121_UART();
15     //Initialize BGLIB with our output function for sending messages.
16     BGLIB_INITIALIZE(uart_output);
18     //Send a Hello command to verify the serial port is working.
19     goto_state(wlan_state_hello);
20 }

Code examples that demonstrate the usage of WiFi 6 click with MikroElektronika hardware, written for mikroC for ARM is available on Libstock.


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