# Title: 4x4 Key Click Board™ ## Description: How Does The 4x4 Key Click Board™ Work? Inputs are read by a pair of connected 8-bit parallel-in serial-out shift registers — allows for multiple key presses at the same time. 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. ## Product type: Click Board ## Vendor: Mikroelektronika d.o.o. ## Tags: Click Board, HMI, MikroE, ON Semiconductor, Switch ## Price range: 9.1 - 9.1 GBP ## Link: https://thedebugstore.com/products/mikroe-1889-4x4-key-click-board-uk ## Compare-at price range: 13.0 - 13.0 GBP ## Options - Title: Default Title ## Collections - [New Products](https://thedebugstore.com/a/llms/collections/new-products-debug-store) - [Mikroelektronika d.o.o. (MikroE)](https://thedebugstore.com/a/llms/collections/mikroelektronika-catalogue-uk) - [OnSemi Device Support: Debug Boards & Tools for Power Management & Sensing Solutions](https://thedebugstore.com/a/llms/collections/devices-on-semiconductor) - [HMI Interface Click Boards™](https://thedebugstore.com/a/llms/collections/hmi-interface-click-boards-catalogue-uk) - [MikroE Click Boards™](https://thedebugstore.com/a/llms/collections/mikroe-click-boards-catalogue-uk) - [Google Shopping - invalid product](https://thedebugstore.com/a/llms/collections/google-shopping-valid-products) - [Pushbutton/Switch Click Boards™](https://thedebugstore.com/a/llms/collections/pushbutton-switch-click-boards-catalogue) - [Click Boards™ Summer Sale](https://thedebugstore.com/a/llms/collections/inventory-sale) - [MikroE Sale](https://thedebugstore.com/a/llms/collections/mikroe-sale) - [MIKROE Stock](https://thedebugstore.com/a/llms/collections/mikroe-products-in-stock-sale) ## Variants - Default Title, SKU: MIKROE-1889, Available: yes, Inventory: 4 ## Metafields - full_description:

How Does The 4x4 Key Click Board™ Work?

Inputs are read by a pair of connected 8-bit parallel-in serial-out shift registers — allows for multiple key presses at the same time. 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.

- description_tag: The 4x4 Key Click Board™ carries a 16 button keypad. The design of the board — inputs are read by a pair of connected 8-bit parallel-in serial-out shift registers — allows for multiple key presses at the same time. Available from Debug Store UK. - title_tag: MikroE 4x4 Key Click Board™ (MIKROE-1889) - manufacturer: Mikroelektronika d.o.o. - warranty: 12 months - amazon_enable: TRUE - amazon_title: 4x4 Key Click Board - amazon_product_type: computercomponent - amazon_block: FALSE - amazon_prime_enable: FALSE - amazon_search: MikroElektronika Microelectronica MIKROE-1100 - amazon_uk_price: 9.68 - amazon_uk_currency: GBP - amazon_de_currency: EUR - amazon_de_price: 10.9384 - amazon_fr_currency: EUR - amazon_fr_price: 10.9384 - amazon_es_currency: EUR - amazon_es_price: 10.9384 - amazon_nl_currency: EUR - amazon_nl_price: 10.9384 - amazon_it_currency: EUR - amazon_it_price: 10.9384 - amazon_se_curency: SEK - amazon_se_price: 110.352 - amazon_product_id: 8606015077642 - amazon_product_id_type: EAN - amazon_update: Update - amazon_short_description: The 4x4 Key Click Board™ carries a 16 button keypad. The design of the board — inputs are read by a pair of connected 8-bit parallel-in serial-out shift registers — allows for multiple key presses at the same time. - amazon_long_description:

4x4 Key Click Board™

- amazon_main_image: https://www.thedebugstore.com/images/product/lg-4x4-key-click-1889-front_1.jpg - amazon_other_image_1: https://www.thedebugstore.com/images/product/lg-4x4-key-click-1889-back_1.jpg - amazon_other_image_2: https://www.thedebugstore.com/images/product/lg-4x4-key-click-1889-back_1.jpg - amazon_browse_node: 428655031 - mpn: MIKROE-1889 - backorder_label: If no stock shown above, check availability - badge: - widget:

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- google_product_category: 899 - attachments: [{"download_file":[{"download_file":"4x4 Key Click Board™ User Manual"}],"download_filetype":[{"download_filetype":"pdf"}]}] - condition: new - custom_product: false - mpn: MIKROE-1889 - google_product_category: Electronics - custom_label_0: Click Board - device_vendor: ON Semiconductor - device_type: MC74HC165ADG - warranty: 12 months - brand: MikroE - manufacturer: Mikroelektronika d.o.o. - brands: gid://shopify/Metaobject/56256004319 - breadcrumbs: ["gid://shopify/Collection/447955239135","gid://shopify/Collection/241680580797","gid://shopify/Collection/241545019581"] - customhs_code: 847330 - detailed_description: {"type":"root","children":[{"type":"heading","level":2,"children":[{"type":"text","value":"How Does The 4x4 Key Click Board™ Work?"}]},{"type":"paragraph","children":[{"type":"text","value":""}]},{"type":"paragraph","children":[{"type":"text","value":"Inputs are read by a pair of connected 8-bit parallel-in serial-out shift registers — allows for multiple key presses at the same time. 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."}]}]} - summary:

The 4x4 Key Click Board™ carries a 16 button keypad. The design of the board — inputs are read by a pair of connected 8-bit parallel in serial-out shift registers — allows for multiple key presses at the same time.