3 x 4 Keypad Membrane
KSh 110.00
Thin 3×4 membrane keypad with 12 keys and adhesive backing for PIN entry, menus and door locks.
Only 3 left in stock
This 3×4 membrane keypad has 12 keys wired as a matrix, so it needs only 7 microcontroller pins. Use it for PIN codes, menus and door locks with Arduino.
Key features
- 12 keys in a 4-row x 3-column matrix
- Needs only 7 pins
- Thin membrane with adhesive backing
Specifications
| Keys | 12 |
|---|---|
| Matrix | 4 x 3 |
| Interface | 7-pin row/column |
| Voltage | 3.3V-5V |
Typical uses
- Door locks and password systems
- Menus and settings
- Number entry and calculators
Tip: Use the Arduino Keypad library to scan the keys.
Buying in Kenya: Order online from Bluepack Nova for fast delivery across Kenya.
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