Numeric keyboard - 12 keys*

The keyboard has numbers from 0 to 9 and the signs: * and #. The buttons are connected into a matrix so for the detection of 12 buttons, you need only 7 pins of the microcontroller. Keyboard is sold in white and black.

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Dodano produkt do koszyka

In stock, shipping 24 hours!

Price 15,90 zł


  • Number of buttons: 12
  • Dimensions: 72 x 53 mm
  • Connector type: holes for the strap, goldpin, female, 2.54 mm pitch (not included in the set, sold separately)
  • Color: white or black. The keyboard is sent in random color; and there's no possibility to select the color.



The keyboard has numbers from 0 to 9 and the signs: * and #. It can be used as a device for data entry in projects that are based on any microcontroller systems, for example, Arduino or STM32. Pin are the holes of for the goldpin connector of 1x7 pin - pitch of 2.54 mm. Keyboard is sold in black and white and there's no possibility of choosing the color.


On the Internet, there are examples to operate the keyboard for PIC microcontrollers and Arduino kits. Users can also use the library of Arduino,example of the the alarm unit and Arduino tuturial are on the Bildr blog.


  • Switch - type2 monostable
  • Switch - type keyboard
  • Switch - shape rectangular
  • Switch - backlight no
  • Colour black
  • Length 72 mm
  • Width 53 mm
  • Raster: 2.54 mm


Posting the payment for the order on our account on a business day up to 13:00 means sending the goods on the same day!


The time of payment depends on the hours of ELIXIR session of the sender's bank and the recipient of the transfer (more information on this subject, for example on the website


The table presents available forms of delivery in Poland


Carrier and

Bank wire

by cash


Poczta Polska

terms of service

9,90 PLN17,90 PLN1-3 days

Kurier GLS

terms of service

14,90 PLN22,90 PLN

1-2 days

Paczkomaty 24/7 

terms of service

12,90 PLN-1-3 days

If the amount to pay for products exceeds 500 PLN
Delivery is for free!


  • Free delivery of orders over 500 PLN does not apply to parcels addressed outside of Poland.
  • Free delivery does not apply when changing orders.
  • The delivery period is counted in working days from the date of dispatch of the order.