Thanks Ed,
Keith Reedy
Click the link below to download MP3's of Keith Reedy's music as a gift from Bibles For The Blind.
http://biblesfortheblind.org/download_music.shtml
God gives His best to those who leave the choice with Him. J Hudson Taylor.
On Aug 18, 2011, at 11:08 AM, Ed Malmgren wrote:
> Keith, I use a circuit that I got the schematic from the Braille Tech Press
> way back about 1961. It is a comparator circuit and goes across a Ham 4
> control box meter. It looks crappy but has worked since. Wish I still had
> that book with the circuit. 73 Ed K7UC