4x4 Matrix Keypad - The Pi Hut
4x4 Matrix Keypad - The Pi Hut
4x4 Matrix Keypad - The Pi Hut

4x4 Matrix Keypad

The Pi HutSKU: 105670
£5
incl. VAT
excl. VAT
Only 13 units left

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Add data entry, passwords and more to your projects with this numeric matrix keypad.

The keypad has sixteen buttons in an old-school telephone-style grid. Each button is connected to a matrix so you can use 8 GPIO on your microcontroller of choice to scan through the pad for entry.

Either solder thin wires directly to the pads, or fit some 2.54mm/01" headers and solder them downwards for using with a breadboard.

Adafruit have a great tutorial for using this style of matrix over on their website

We also sell a 3x4 version of this matrix keypad

Pinout

From the left there are four row pins followed by four column pins.

Specifications

  • Force: 160-180g
  • Contact Resistance: <100Ω
  • Dimensions (approx): 69.0mm x 66mm x 10mm
  • Weight: ~21g

Revision History

  • As of 20/03/2024, we no longer provide a pin header strip with this keypad (due to a supplier change)

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4x4 Matrix Keypad - The Pi Hut
4x4 Matrix Keypad - The Pi Hut
4x4 Matrix Keypad - The Pi Hut