4×4 16-Key Matrix Membrane Keypad Switch
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Slim 4×4 matrix membrane keypad (16 keys) for Arduino, ESP, and embedded projects—flexible, durable, and easy to interface.
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the available products : 5
In Stock
- Delivered today (order Mon-Fri before 12:00, delivery between 17:00 and 22:00)
- Including shipping costs, sent by blonwe.com
- Pick up at a blonwe.com collection point is possible
- 30 days to change your mind and free returns
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Description
The 4×4 16-Key Matrix Membrane Keypad Switch is a thin, flexible input device designed for numeric and function input in Arduino, ESP8266/ESP32, Raspberry Pi, and other embedded systems. It uses a matrix configuration (4 rows × 4 columns), requiring only 8 GPIO pins for full functionality.
With an adhesive backing, this keypad mounts easily on panels or enclosures. It’s ideal for password locks, access control, calculators, menu navigation, and DIY electronics projects.
| Parameter | Value |
|---|---|
| Keypad Type | Membrane Matrix |
| Layout | 4 × 4 |
| Number of Keys | 16 |
| Interface | Matrix (Rows & Columns) |
| Operating Voltage | 3.3V – 5V |
| Connector | 8-pin flat cable |
| Mounting | Self-adhesive |
| Color | Black / Gray (varies) |
Additional information
| Weight | 10 g |
|---|---|
| Dimensions | 850 × 700 × 77 mm |
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