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  • clicker 2 for STM32 is a compact dev. kit with two mikroBUS™ sockets for click board connectivity. You can use it to quickly build your own gadgets with unique functionalities and features. It carries the STM32F407VGT6, a 32-bit ARM® Cortex®-M4 microcontroller, two indication LEDs, two general purpose buttons, a reset button, an on/off switch, a li-polymer battery connector, a USB Mini-B connector and two mikroBUS™ socket. A JTAG connector and a 2×26 pinout for interfacing with external electronics are also provided. The mikroBUS™ connector consists of two 1×8 female headers with SPI, I 2C, UART, RST, PWM, Analog and Interrupt lines as well as 3.3V, 5V and GND power lines. Clicker 2 for STM32 board can be powered over a USB cable.

    Processing Your Imagination

    STM32 Functional Diagram


    clicker 2 is powered by an STM32F407VGT6, a 32-bit ARM® Cortex®-M4 MCU that operates at up to 168MHz, has 1MB of flash and 192+4KB of SRAM.

    Having two mikroBUS™ sockets and an additional connection pad, clicker 2 for STM32 utilizes all of the STM32F407VGT6’s I/Os. Each mikroBUS™ socket has its own SPI, UART and I2C lines; the 1×26 connection pads on the edges of the board share SPI and UART lines with the second mikroBUS™ socket.

    Powering Your Inventions


    Focus on your main idea because clicker 2 will take care of the details for you: your prototype already has a power management system in place. The onboard LTC®3586-2 IC will provide 3.3V or 5V to the clicks. It turns the USB port into a charger for the li-po battery. It can also maintain an independent power supply to the MCU’s RTC even when you push the RESET button or toggle the ON/OFF switch.

    mikroBus pinout standard

    With two mikroBUS™ sockets on clicker 2, you can take advantage of the huge potential of click™ boards, the constantly expanding range of over 222 add-on boards. Blend different functionalities together and come up with new and original inventions. That’s just two clicks and your project is half-way done. Go ahead and play with a few ideas right away:

    Expanding Your Ideas


    No idea is too big for clicker 2. Let your train of thought lead you anywhere. Consider all options, explore all directions. More click boards? Additional electronics? Done and done. clicker 2 has the same pocket-size form factor and the same pair of 1×26 connection pads as mikromedia boards. This makes it compatible with mikromedia shields letting you expand your device any way you want.

    Hardware Debugging



    Efficiently erradicate any bugs and iron out your code until it’s wrinkle free and your clicker 2 device works perfectly—use mikroProg™ for STM32®. It’s a fast hardware debugger and programmer with outstanding performance. Especially when used together with our ARM® compilers.

    Tech specs

    Pushbuttons, signal LEDs, jumpers, pads for connecting an external ON/OFF switch, here are all the bits and details at your disposal:





    • STM32F407VGT6 (ARM Cortex-M4)
    • 1024kB Flash, 192kB RAM
    • 168MHz operation



    • 52 programmable GPIOs
    • 2 mikroBUS host sockets
    • USB MINI-B connector
        MIKROE-1685   clicker 2 for STM32


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