4 Key Matrix Keyboard

Unlock seamless control in your DIY electronics with the **4 Key Matrix Keyboard** — your go-to solution for reliable, space-saving input!

• Effortless Integration: Connects via just 8 pins (4 rows, 4 columns), freeing up microcontroller resources for bigger projects.
• Compact & Durable: Ultra-thin design with adhesive backing mounts easily anywhere, perfect for tight enclosures.
• Responsive Keys: 16 momentary switches (numeric 0-9, A-D) ensure accurate data entry every time.

Ideal for **use cases** like security systems, menu navigation, remote controls, alarm panels, and Arduino-based data entry. Build custom POS terminals, SIM testers, or interactive gadgets effortlessly — enhancing user interaction without bulk.

Technical Details (SKU: ACC-004): 4x4 matrix layout, 3.3-5V operation, max 20-30mA per key, dimensions ~4x4cm, conductive rubber switches, 8-pin interface. Rated for everyday hobbyist and professional use. Grab yours now for unbeatable value!