Yes, the Arduino only has one 3.3V output pin, and I am using that for the LEDs the rest are all 5V
On Tuesday, September 4, 2018 at 2:06:13 PM UTC-4, gregebert wrote: > > The value of the emitter resistor is easy to calculate: > > Re = (Arduino Output voltage - 0.7) / Bulb current > > If the Arduino puts out 5V (are you sure it isn't 3.3 ?), and you want > 0.7mA, Re is 6140 ohms; I think the nearest standard value is 6.2K > -- You received this message because you are subscribed to the Google Groups "neonixie-l" group. To unsubscribe from this group and stop receiving emails from it, send an email to neonixie-l+unsubscr...@googlegroups.com. To post to this group, send an email to neonixie-l@googlegroups.com. To view this discussion on the web, visit https://groups.google.com/d/msgid/neonixie-l/deebcbda-70f0-49ae-bf36-1f573f421d9e%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
