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by Paul J. Weijers
Fri Mar 23, 2007 7:44 pm
Forum: General Discussion
Topic: QUESTION ABOUT CIRCUIT, WANT TO REPLACE OLD CIRCUIT WITH NEW
Replies: 16
Views: 5069

old and new circuit

Craig, Tell me what you expect your new circuit do. How long should the relay be ON and OFF? what is the purpose of S1 and S2? Are you sure the LM555 can drive the relay? If it is a heavy relay you'll need a transistor to drive it. Oh, and what is the peak value of the sawtooth? I think you are goin...