Wednesday, March 11, 2020

Wires and power supply stuff

I tested 3 other transformers that I have, but none of them have the correct voltages. 
I know I can use a variac but I really don't want to make a separate power supply for the clock.  That would make it too heavy and  too large. 
I did think of a solution.  I can use a choke input power supply rather than a capacitor input power supply.  It looks like that will drop the voltage into a usable range. 
I found a choke that is 15H 400 Ohm.  I'll wire that up soon and give it a go.

I also got the wiring for the 74HC595s finished.  Next I have to wire up the ribbon cables to the nixie sockets.






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