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#signal pin #electrical signal #contact point #io pin #data pin

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#signal pin #location alert #emergency marker #map signal #warning location

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#signal pin #input pin #connector pin #data input #signal connection #electronics interface

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#gpio #robotics control #hardware interface #embedded systems #automation pin #signal pin #RPi GPIO

🟥🟩🟦🔌⚡️

#rgb connector #led strip connector #motherboard pin #signal pin #color signal #electronics connector #power pin