06-10-2012, 03:24 AM
I rigged up a battery for the light bulb and drove the meter with a 1 Hz, 20 volt p-p sine wave. It works
[Image: http://farm8.staticflickr.com/7230/71717...c365_c.jpg]
Here's a little video clip of it in action http://www.flickr.com/photos/70039806@N00/7356918110/
[Image: http://farm9.staticflickr.com/8150/71717...5b55db.jpg] [Image: http://farm8.staticflickr.com/7089/73569...39dca8.jpg]
[Image: http://farm8.staticflickr.com/7230/71717...c365_c.jpg]
Here's a little video clip of it in action http://www.flickr.com/photos/70039806@N00/7356918110/
[Image: http://farm9.staticflickr.com/8150/71717...5b55db.jpg] [Image: http://farm8.staticflickr.com/7089/73569...39dca8.jpg]