[time-nuts] Clocking a PIC16F628A from a Rubidium Standard

David VanHorn D.VanHorn at elec-solutions.com
Mon Nov 28 10:22:35 EST 2011




> Come on, folks. never hook anything directly to the power line. The
> source is just too stiff. Use an opto. I used fiber optic isolation with
> my big DC power supply.
> Don

I used to agree, until actually tried it myself. Now this is how
I do my picPET 60 Hz data logging:


Dangerous.. A single component failure puts you hot to the line, without current limiting.





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