$5.72
$7.15
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The M5Stack Mechanical Key Button Unit is a single mechanical key input unit with a built-in RGB LED. The key shaft adopts a Blue switch with a tactile bump and audible click features. Embedded with one programable RGB LED – SK6812 supports 256-level brightness. Two digital IOs are available for key status and LED control key status and lighting control. Suitable for multiple HMI applications.
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