ArduStation Hardware Different to Tutorial - Diode?

I have two very small copper/black diodes instead of the single diode shown in the wikki

 

I guess I only need one of them. They have a black strip instead of the white strip mentioned in the wikki.

 

they look like zener diodes, am i right in thinking the black stip is positive and that I can use instead of the published diode?

 

thanks

 

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  • Admin
    TimL,

    Can you post a picture of the diodes and any part number that may be on the body of the diode?

    The band on the diode usually identifies the cathode (-) end of the diode.

    If you have a multimeter, you can use either the diode check function or the resistance function to determine what end of the diode is designated by the band.

    Just a thought.

    Regards,
    TCIII
This reply was deleted.

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