4×4 16 Key Matrix Membrane Switch Keypad Keyboard
Features
4×4 bendable membrane keypad
Arranged in telephone-line 3×4 + 4 extra keys, 16 keys in total
Weight: 10 grams
Keypad dimensions: 77mm x 77mm x 1mm (3″ x 3″ x 0.035″)
Length of cable + connector: 85mm
8-pin 0.1″ pitch connector
Packing List
1 x 4×4 Matrix Membrane Keypad
Resources
How to Set Up a Keypad on An Arduino by Krishna Pattabiraman, Circuit Basics – Very detailed example of 3×4 and 4×4 keypad interface to Arduino UNO, include Arduino example code and explanation
Keypad library by Mark Stanley, Alexander Brevig
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