Re: Mini-drill; Speed Controller Problem
Thanks for the comments Peter; I'm afraid you are dealing with a "old geezer amateur", who only recently commented that I really should stick to valve circuits! I've ordered in some 358's; I think the pinouts are the same, so could this work as a simple substitution?
Curiously, as we've discussed on the forum over the last year (starting with RF voltmeters) this looks like just another example of a circuit appearing in the public domain which is fundamentally flawed.
B
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