1×4 Key Matrix Membrane Switch Keypad Strain Gauge Module 4-Layer FR4 PCB with Optimized

4-Layer FR4 PCB with Optimized Copper Planes provides 60A continuous current capacity with thermal management features that prevent voltage sag during high-acceleration maneuvers

Standard Arduino libraries

Industrial Grade - Reliable for professional and hobbyist applications

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1×4 Key Matrix Membrane Switch Keypad Strain Gauge Module 4-Layer FR4 PCB with Optimized1x4 Key Matrix Membrane Switch Keypad Quality electronics from The Engineer Store, Bengaluru. Fast shipping, 7 day warranty on manufacturing defects, expert support. Product Overview The 1x4 Key Matrix Membrane Switch Keypad is a compact, reliable input device designed for embedded systems, microcontroller projects, and control applications. This membrane based keypad offers tactile feedback and durability for both hobby and professional use. Key