St. Patrick's Day Throwie By bloomautomatic in CircuitsLEDs1,10722Introduction: St. Patrick's Day ThrowieBy bloomautomaticwww.bloomautomatic.comFollowMore by the author: Real simple - 3 green LED's to represent the three leaves of the shamrock. Paper clip to hold it on my shirt pocket. Or you could use 4 to make a 4 leaf clover, if you're feelin' lucky. Erin Go Bragh!