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Description
A keypad is a simple method of entering user input into your project.
Specifications
- dimensions: 2.76" x 3.03" x 0.04" (7 x 7.7 x 0.1 cm)
- connection : 3 col - 4 row, 7 pin connection
- cable length: 3.54" (9 cm)
- weight: 0.22 oz. (6.25 g)
- Library : keypad.h