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--- brain_writing:tech [2010/06/11 06:42]
jj created
+++ brain_writing:tech [2010/06/11 08:01] (current)
jj
@@ Line 1: / Line 1: @@
+{{:coils_asym.555.jpg|}}
 http://www.kpsec.freeuk.com/555timer.htm#astable

jonathan kemp