Keypads
Keypads - Matrix
Keypads are made up of a set of buttons arranged in a block or pad which can contain combinations of numeric digits, alphabet letters, or symbols. We stock a range of Matrix Touchpads, and accessories to suit various projects. These boards are compatible with Arduino, Raspberry Pi, micro:bit, and many other development platforms.
If you are using a matrix pad without a serial interface built-in, you may want to consider the Proto-PIC keypad to serial converter! Electronic keypads are used in so many day-to-day applications, every time you go to the shops for example you'll see them at checkouts. They're used for door access systems, safes, telephones, and printers/copiers to name just a few.
In many of our product pages you'll find hook-up guides and example code, but if you find yourself stuck, don't suffer in silence! We're here to help. Contact our technical support team via email.
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Keypad, Flexible Membrane, 4x4 Matrix, 16 Key, Adhesive
Sparkfun
£7.96Keypad, Flexible Membrane, 4x4 Matrix, 16 Key, Adhesive This slim, 16-button keypad provides a useful human interface component for microcontroller projects. Convenient adhesive backing provides a simple way to mount the keypad in a variety of...£7.96 -
Keypad, Capacitive Touch Pad, 16 Key Control Board
Proto-PIC
£3.60Keypad, Capacitive Touch Pad, 16 Key Control Board This low-cost capacitive touch pad/keypad can give your next project up to 16 capacitive switches using the TTP229 IC. This means that using only power, ground, and any 2 GPIO pins as clock and data...£3.60 -
Keypad, Flexible Membrane, 3x4 Matrix, 12 Key, Adhesive
Proto-PIC
£3.49Keypad, Flexible Membrane, 3x4 Matrix, 12 Key, Adhesive Punch in your secret key into this numeric matrix keypad. This keypad has 12 buttons, arranged in a telephone-line 3x4 grid. It's made of a thin, flexible membrane material with an adhesive backing...£3.49 -
Keypad, 3x4 Matrix, 12 Button
Sparkfun
£6.00Keypad, 3x4 Matrix, 12 Button This is a basic 12 button keypad that has been designed for easy user input and functionality. The buttons are set up in a matrix format. This allows a microcontroller to 'scan' the 7 output pins to see which of the 12...£6.00 -
SparkFun COM-08973 Keypad - Sealed Membrane Switches - 14 Pin Connector
Sparkfun
£0.90SparkFun COM-08973 Keypad - Sealed Membrane Switches - 14 Pin ConnectorThis is the connector for the Keypad Sealed Membrane Switches. Comes with 14 pins in a ZIF right angle SMD package with 1mm pitch.Documents: Dimensional£0.90