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TX/RX activity LEDs - Visual confirmation of data transmission and reception for quick debugging
Quad-core ARM processor
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Other M5 Stack compatible devices
GROW K216 Fingerprint Control Board Relay Output with Remote Automatic Plant Watering System Kit TX/RX activity LEDs - VisualGROW K216 Fingerprint Control Board Relay Output with Remote The GROW K216 is a biometric fingerprint recognition control board featuring relay output switching capability and wireless remote control functionality for access control and automation applications. Security professionals, system integrators, and facility managers rely on this board to implement secure, contactless authentication systems that eliminate the need for physical keys or access
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