Membrane Keypad 20 Key (Matrix 4x5)

A small membrane keypad with 20 keys in a 4 x 5 arrangement. The keys on the keypad are numbers: 0 to 9, two function keys F1 and F2, special characters:* and #, arrows for navigation, as well as Enter for approval and Esc cancel operation. The keyboard is additionally equipped with a self-adhesive tape, which makes it easy to mount the keyboard. To connect the keyboard, the tape ended with an 8-pin connector with 2.54 mm raster, so you can easily connect it to, among others, Arduino or STM32 using a gold pin striporconnectioncables. The keyboard is one of the basic input devices used for data input and control.

Technical specifications:

• Number of buttons: 20
• Dimensions: 85 x 73 x 0.9 mm
• Belt length including connector: 106 mm
• Type of connector: 1 x 9 pin - female raster 2.54 (goldpin connector)