4 x 4/3 x 4 Matrix Array 16/12 Keys 4*4 Switch Keypad Keyboard Module Board Program Signal Control for Arduino

4 x 4/3 x 4 Matrix Array 16/12 Keys 4*4 Switch Keypad Keyboard Module Board Program Signal Control for Arduino
sku: 32866353004
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$3.56
Shipping from: China
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