Re: How do Atom Computer Ignition modules work?

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June 22, 2015 at 9:33 pm #18704
ken-w
Participant

    US Member

    I had a brain pop and was wondering if the voltage or current levels at the base of the 2SD1071 were not high enough to turn it on? I know that Q2 is working in my circuit with the BD651, so it must be working. Maybe the Q1 is not turning on? And I need to change the value of R1 to maybe 1k?