4x4 Matrix Keypad keyboard compatible with Arduino and Raspberry Pi

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✔️ AZ-Delivery Matrix Array Keyboard is a 4x4 key module with a contact resistance of less than 100 ohms, making it pleasant and soft to the touch.
✔️ Thanks to its small size (7cm x 7cm x 1cm) and compact design, this handy module with 16 switches is an ideal choice for applications such as: Alarm / security equipment, access control, device control.
✔️ AZ-Delivery 4x4 matrix array keypad with 16 switches enables easy communication and scanning across the pad with only 8 microcontroller pins.
✔️ This module is compatible with microcontrollers such as AVR and PIC, which makes it a perfect choice for your applications and projects.

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Description

This keyboard has 16 keys arranged in a 4x4 grid for phone lines and connected into a matrix controlled by 8 microcontroller pins.

This small and compact 4x4 keypad module is easy and convenient to carry, and the contact resistance (<100 ohms) makes it comfortable and soft to the touch.
AZ-Delivery 16-switch keypad module is easy to install thanks to four mounting holes on each corner.

Note: Light shooting and different displays may cause the color of the item in the picture to be slightly different from reality. The allowable measurement error is 1 ± cm.

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