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4x4 Keypad mikroBUS Module, 2x 74HC165, SPI (4x4 Key click) US$11.00

MIKROE-1889
4x4 Keypad mikroBUS Module, 2x 74HC165, SPI (4x4 Key click)


  • 44 keypad
  • Can register multple key presses simultaneously
  • SPI communication
  • Can use either 3.3V or 5V power supply
  • 4x4 Key click carries a 16-button keypad. Inputs are read by a pair of connected 8-bit parallel-in serial-out shift registers, which allows for multiple key presses at the same time. Even if you press all 16 buttons simultaneously, each one could be detected. For ease of use, each button has silkscreen markings. The right-most column is marked with letters A-D; the other 12 buttons are marked like a telephone keypad. The board is designed to use either a 3.3V or 5V power supply.

    The 74HC165 shift registers read whole bytes from the entire keypad, then send out single bits through the mikroBUS SPI pins.

    A solder jumper allows you to set the module for 3.3V or 5V power supply. It is in the 3.3V position by default.

    Note: The picture shows the board with through-hole headers. The board now comes populated with male pin headers already soldered for your convenience. The board's user manual has yet to be updated to remove the soldering instructions.

    mikroBUS Click Boards Overview

    Click boards plug directly into a mikroBUS socket. mikroBUS is a specially designed plug-and-play pinout standard. The sockets are found on Clicker boards, the Flip & Click Arduino/Python-compatible board, the Quail board, these mikromedia shields, the Microchip Curiosity board, and development systems from mikroElektronika (V7 systems and later).

    You also can connect Click boards to many other popular platforms via these adapters:

    • PC Click USB Adapter (MIKROE-1433)
    • Arduino Arduino UNO click shield (MIKROE-1581) or Arduino Mega click shield (MIKROE-1900)
    • Raspberry Pi Pi click shield (MIKROE-1512) or Pi 2 click shield (MIKROE-1879)
    • BeagleBone Black BeagleBone click shield (MIKROE-1596) or mikroBUS Cape (MIKROE-1857)
    • STM32F3 Discovery STM32F3 Discovery Shield (MIKROE-1447)
    • STM32F4 Discovery STM32F4 Discovery Shield (MIKROE-1481)
    • Stellaris LM4F120 LaunchPad / Tiva TM4C123G LaunchPad Click BOOSTER PACK (MIKROE-1363)
    • Freescale Freedom — FRDM-KL46Z click shield (MIKROE-1795) or FRDM-K64F click shield (MIKROE-1794)

    In addition, it is royalty-free to add mikroBUS to your own designs. Visit the mikroBUS Category to see the full line of Click boards.

    Keypad Add-on Module Resources


    This product was added to our catalog on Friday 29 January, 2016.

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