-
4×3 Matrix Keyboard 12 Key Membrane
This 4×3 Matrix Membrane Keypad features 12 tactile keys in a grid layout for precise digital input. Durable, lightweight, and easy to interface with microcontrollers like Raspberry Pi, ESP32, or STM32.
Specs:
-
12 keys (0–9, *, #)
-
Flexible membrane with adhesive back
-
7-pin interface for simplified I/O
-
Ideal for embedded systems, password input, or access control
-
-
Membrane Keypad 4×5
Durable 4×5 membrane keypad with 20 tactile keys arranged in a matrix format. Ideal for numeric or custom function entry in embedded and control systems.
Specs:
-
Layout: 4 Rows × 5 Columns (20 keys)
-
Keys: 0–9, A–D, *, #, and 4 user-definable
-
Interface: 9-pin flat flexible cable
-
Rated for over 1 million key presses
-
