1 x 4 Matrix Membrane Keypad with FBC circuit (OT3672)

Enter your secret code on this numeric membrane keypad. This keypad has 4 buttons and since each key has its own wire line, there is no need for a matrix code - just treat these as everyday switches. The membrane is soft and has a self-adhesive. For example, to stick on a case and feed the wire through a slot. It is a simple keypad, but that is why we like it. So this ultra-thin 4-button keypad provides a convenient human interface for microcontroller projects. The adhesive backing makes the keypad easy to mount in various applications. Nice for your Arduino and/or ESP32. Accurate and professionally made stable performance Pad size: 68 * 20 mm Total length: 107 mm You can find a sample project here