With the 24 pixel ring it pulls on average 500-700mA. I power mine with a 1A pwr supply but I would maybe consider 1.5A just in case.
Hey Cliffystones, how it is programmed now it will go from red -> orange -> yellow -> green. And yeah definitly need to add a feature in v2 to cure that LA traffic!
Commute Travel Time LED IndicatorView Instructable »