Adafruit Membrane 1x4 Keypad + ExtrasAdafruit
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Punch in your secret key into this numeric membrane keypad. This keypad has 4 buttons, and since every key has its own wire line, no matrix code is required - just treat these like every day switches. The membrane is soft and has a removable paper backing to expose a strong adhesive so you can stick this on an enclosure and feed the cable through a slot. Its a simple keypad but that's why we like it.
We include a 5-pin extra-long header strip so you can plug this into a breadboard with ease.
- Weight: 2.83g
- Keypad dimensions: 69.14mm / 2.72" x 20.07mm / 0.79"
- Length of cable + connector: 87.31mm / 3.43" x 14.28mm / 0.56"
- 5-pin 0.1" pitch connector