Which lead on the LED is pin 1?

Solution

NeoLoch uses to types of LEDs, a two pin single color and a three lead bi-color LED.

For the two pin LEDs, the shorter lead is the Cathode and the longer lead is the Anode, the shorter lead (Cathode) is pin 1.

For the three lead LED, the shorter lead is pin 1 (which is an anode).

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