Changes between Version 5 and Version 6 of NixieTransistorClock


Ignore:
Timestamp:
Jun 15, 2020, 11:22:22 AM (2 years ago)
Author:
Eric Hazen
Comment:

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  • NixieTransistorClock

    v5 v6  
    2525Bottom of 10k resistor (photo) switches from about 0.5V to 14V when digit is active.  Switches are 10-15V pull to 0V.
    2626
     27ESP8266 is unhappy with much more than 5V in and starts to draw a lot of current at 12V.  Best to put in a small DC/DC to drop the ~15V on the clock to 5V.
     28