This 4 button membrane keypad is an inexpensive option for panel mounting. The membrane is soft and has a removable paper backing with a strong adhesive so you can stick this on a panel and feed the cable through a slot.

Note that the pinout is not in order

PINOUT (pin numbers can be read on the front of the connector)

• 1 - COMMON
• 2 - Button 2
• 3 - Button 1
• 4 - Button 4
• 5 - Button 3