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2pcs Micro switch 4X4 matrix keyboard 16 key SCM external expansion keyboard module Sensors integrated circuit

2pcs Micro switch 4X4 matrix keyboard 16 key SCM external expansion keyboard module Sensors integrated circuit

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Micro switch In-line button 4X4 matrix keyboard 16 buttons MCU external expansion keyboard module

Micro switch In-line button 4X4 matrix keyboard 16 buttons MCU external expansion keyboard module

Micro switch In-line button 4X4 matrix keyboard 16 buttons MCU external expansion keyboard module

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