Why are the red and green leds taking so much power?
Moderators: adafruit_support_bill, adafruit
Please be positive and constructive with your questions and comments.
-
- Posts: 1
- Joined: Thu Dec 06, 2012 1:34 pm
Why are the red and green leds taking so much power?
Hooked up directly to a coin cell, the red and green leds take ~20 - 30 mA. However the blue ultra bright ones take 3.3 mA ! Why is that?
- adafruit_support_bill
- Posts: 88086
- Joined: Sat Feb 07, 2009 10:11 am
Re: Why are the red and green leds taking so much power?
The red & green have a lower forward voltage than the blue so they start conducting at a lower voltage and draw more current.
Please be positive and constructive with your questions and comments.