150V 45A MPPT - roll your own


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mab1
Senior Member

Joined: 10/02/2015
Location: United Kingdom
Posts: 211
Posted: 01:26am 19 Nov 2023      

  soudirector said  I am have not gotten this to work. When cal. i type in the VIN but i still have NANU display.

in the serial monitor window

it will change to this

13:37:44.084 -> C - cal. Input Volts     inf ( nan V)  

But VOUT display whatever i put there.

What am i not getting right ?



I think had something similar - one of the cal values 'inf' and wouldn't reset: i think i cleared it by selecting the 'set defaults' (option Z?), but this does mean you have to re-do all the zeros, cals and setpoints again.