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
The 7-inch HDMI Capacitive Touchscreen LCD offers a 1024×600 resolution with an IPS panel, providing wide viewing angles and vibrant colors. Designed for seamless integration with Raspberry Pi and other mini PCs, it features capacitive touch control, HDMI display interface, and USB touch interface, making it ideal for various applications requiring interactive displays.
Compact 1×4 membrane keypad with 4 tactile keys in a linear layout. Durable PET construction, ideal for simple digital inputs in embedded systems, automation, and control panels.
Specs:
4-button (A, B, C, D or 1–4) layout
5-pin header interface
Flexible flat cable
Compatible with 3.3V–5V logic systems
LCD Keypad Shield for Arduino integrates a 16×2 LCD with five user buttons. Ideal for menu navigation, project status display, and embedded interfaces.
Display: 16×2 character LCD
Interface: Parallel (using Arduino digital pins)
Buttons: Up, Down, Left, Right, Select, Reset
Compatibility: Arduino UNO, Mega, Leonardo