The 4×4 Matrix Membrane Keypad Module is an ultra-thin, low-profile user interface component that offers 16 individual tactile input keys. Arranged in a 4-row by 4-column grid, it includes numeric digits 0–9, alphabetic letters A–D, and special characters * and #. It features a self-adhesive backing for easy surface mounting and is widely used for digital locks, security systems, and data entry in microcontroller projects.
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4x3 Matrix Membrane Keypad Module
Original price was: ₹82.00.₹70.00Current price is: ₹70.00.
SG90 9g Micro Servo Motor
Original price was: ₹106.00.₹90.00Current price is: ₹90.00.
4×4 Matrix Membrane Keypad Module
Original price was: ₹83.00.₹70.00Current price is: ₹70.00.
Technical Specifications
| Characteristic | Specification Parameters |
|---|---|
| Grid Array & Keys | 4 Rows x 4 Columns (16 Total Momentary Keys) |
| I/O Pins Required | 8 Digital Pins (4 Rows + 4 Columns) via Matrix Scanning |
| Max Circuit Rating | 35V DC, 100mA |
| Connector Type | 8-Pin Female Connector (2.54 mm / 0.1″ pitch) |
| Dimensions (approx.) | 77 mm × 69 mm × 0.8 mm (Ultra-thin flat profile) |
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4×3 Matrix Membrane Keypad Module
Technical Specifications
| Characteristic | Specification Parameters |
|---|---|
| Grid Array & Keys | 4 Rows x 3 Columns (12 Total Momentary Keys) |
| I/O Pins Required | 7 Digital Pins (4 Rows + 3 Columns) via Matrix Scanning |
| Max Circuit Rating | 35V DC, 100mA |
| Connector Type | 7-Pin Female Connector (2.54 mm / 0.1" pitch) |
| Dimensions (approx.) | 69 mm × 77 mm × 0.8 mm (Ultra-thin flat profile) |
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