3x4 Membrane Matrix Keyboard Self Adhesive

3x4 Membrane Matrix Keyboard Self Adhesive 12 keys, has 12 buttons which are distributed as in any phone or remote control.

The material from which the keyboard is made is thin and flexible, it also includes an adhesive on the back so it can be glued on different surfaces.

The keys are connected in matrix so only 7 pins of the microcontroller that is being used to read the 12 keys will be necessary.

4x3 membrane matrix keyboard widely used in security systems, educational projects and prototypes and professional level, institutional and industrial sectors.

Main features:

• Membrane type matrix keyboard
• Maximum operating voltage: 24V
• Max operating current: 30mA
• Bounce time (bounce time): ≤5 ms
• 12 buttons with matrix organization (4 rows x 3 columns)
• Greater resistance to water and dust
• Self adhesive for easy handling and installation
• Cable length and connector: 7.3 cm
• Dimensions: 7cm x 7.7cm