New 4 12 16 20 Key 4*4 Membrane Switch Keypad 1x4 3x4 4x4 4*5 Matrix Array Matrix keyboard for arduino smart car
![New 4 12 16 20 Key 4*4 Membrane Switch Keypad 1x4 3x4 4x4 4*5 Matrix Array Matrix keyboard for arduino smart car](http://ae04.alicdn.com/kf/Hb4951aea8f4643fba33ecc3f4c9f2b18z.jpg)
sku: 1005002997599476
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$3.44
Shipping from: China
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