I cancelled the lm7805 on the digital card. I connected it to 5v from the linear lt1963a circuit. It worked fine
10va is enough for 3.3v 5v 9v. You can cancel the 7805 on the digital card and give 5v directly.
If you can find it, use a 4.5v ac transformer 10va because 9v is no longer needed. We cancel the 7805 on the digital card and give 5volts.
4.5v ac transformer runs cooler regulators than 6v ac transformer
4.5v ac transformer runs cooler regulators than 6v ac transformer
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deq2496 3.3v and 5v yellow 2x4.5v ac transformer used regulators are now ice cold. 9v cancelled. 7805 regulator removed from digital card takes 5v directly from regulator