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: https://youtu.be/6WDvXofWE8k 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-size-warm-back-light-for-recording-/321236001999