DIY mic preamp - VU meter driver demonstration

A demonstration of the VU meter driver board discussed in the previous video. Driver board design analysis here:    • DIY microphone preamp project - VU meter d...   The VU meter is from eBay seller 'jims_audio', listed as "VU meter huge size + warm back light for recording !" - link here: http://www.ebay.com/itm/VU-meter-huge...