Matrix Array 1x1 1x2 1x3 1x4 3x4 4x4 1-16 Key Button Switch Keypad for PI

1 Key Keypad. 4 Keys Keypad(1x4). 2 Keys Keypad. 3 Keys Keypad. 12 Keys Keypad(3x4). 4 Keys Keypad. Loop resistance:<50 ohms. Category: PET Silver Paddle Printing Circuit.

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