Which polarity goes to the flat side of LEDs

Discuss Yocto construction and related issues
  • Hi Ciarany

    Anode + and also has the longer lead
    Cathode - has the shorter lead and also a flat side

    If you look inside the led, the cathode is also the biggest of the two.

    Cheers, Jeroen
  • cheers , my leds don't really have a flat side i can see but i can work it out form your post thanks