LM3915 IC LED VU Meter Tower

Description : This was based on an LM 3915 IC and also worked well with an LM 3916 IC. These were bought through eBay Built using 10 - 10mm thick plexiglass sheets purchased precut to size (5“ x 6“), 20 - 5mm LED’s (9 colors) wired in parallel for the plexiglass sheets and the arrays also wired in parallel and a 6V DC 1A adapter to power the project. Base of the project was just a wooden frame with some plexiglass added for a top and front panel. It measures approx. 8“D x 7“W x 3“H. Total height of the