RGBLED
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5mm water clear LED's with 4 pins.
The 2nd pin (from the left, with the flat spot oriented to the left) is a common cathode ground.
Pin 1 is Red, Pin 3 is Blue, Pin 4 is Green, on newer versions the Blue and Green maybe switched.
Recommended current limiting of 20ma max is advized, 30ma is the noted max at 1/10th duty cycle at 10khz.
When driving at 5v, a 150 ohm resistor for Red, and a 100 ohm resistor for each Green and Blue limits current to around 20ma.
1 2 3 4 | | | | Color: R - B G Volts: 2.0 0.0 3.2 3.2