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Ordered on weekdays before 14:00 = shipped the same day and delivered the next day in 98% of cases. Free returns 30-day reflection period 1-year warranty
4-pin connector
2X2 MATRIX Keyboard Module - 4 buttons
2X2 MATRIX Keyboard Module - 4 buttons – 2
2X2 MATRIX Keyboard Module - 4 buttons – 3
2X2 MATRIX Keyboard Module - 4 buttons – 4
2X2 MATRIX Keyboard Module - 4 buttons – 1 2X2 MATRIX Keyboard Module - 4 buttons – 2 2X2 MATRIX Keyboard Module - 4 buttons – 3 2X2 MATRIX Keyboard Module - 4 buttons – 4

2X2 MATRIX Keyboard Module - 4 buttons

  • Home Assistant — Can be used in Home Assistant via ESPHome

Universal keyboard matrix with 4 buttons for Arduino modules and other drivers.

SKU: OT3688 Article number: NA357 EAN: 8720618827517 Location: F08.03

€ 1,80 Incl. VAT (€ 1,49 Excl. VAT)
In stock (18)
  • 30-day reflection period
  • 1-year warranty
  • Ordered on weekdays before 2:00 PM, shipped today
  • Free returns
4x4 Matrix keypad module Alternative 4x4 Matrix keypad module € 1,80 View this alternative

2X2 MATRIX Keyboard Module - 4 buttons

A keyboard matrix is a great way to add buttons without using up all your I/O pins.

This universal matrix keyboard features 4 buttons in a 2x2 matrix. One side of the board contains a pin header, allowing you to quickly and easily connect the keyboard to an Arduino module or another driver.

Technical specifications

Pitch: 2.54
4-pin connector
Dimensions: 20 mm x 25 mm

Example applications: Front panel of any device, combination lock, calculator, shortcuts for your computer.

  • 4-pin connector
  • 20 x 25 mm
  • 2x2 matrix

Why choose this product?

  • Fewer I/O pins – Save pins on your microcontroller.
  • Quick connection – With pin header on Arduino or driver.
  • Four buttons – Handy for compact control functions.
  • Many applications – Suitable for lock, calculator and shortcuts.
Specifications
Dimensions20 mm x 25 mm
Pin spacing2,54 mm
Connection4-pin connector

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  • Parcel with track & trace€ 7,70Within 24 hours
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