tag:blogger.com,1999:blog-8747006.post2555914120132643104..comments2011-08-11T08:06:40.994+05:30Comments on Schematics of delabs: Millivolt Meter using a LM3914 LED Dot Displaydelabshttp://www.blogger.com/profile/13912180441358913305noreply@blogger.comBlogger1125tag:blogger.com,1999:blog-8747006.post-54242380866700182482011-08-11T03:19:19.912+05:302011-08-11T03:19:19.912+05:30What would be the best method to add a buzzer to t...What would be the best method to add a buzzer to the last LED. Say i wanted to signal off a buzzer when the last led is lit, like indicating a final clear warning stage that the power level is low.Anonymousnoreply@blogger.com