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  • A secret source heh? Sounds interesting :) Anyway, I will try this approach. My readings are far off from 7, so that means the offset will be something like 5 or 6, seemed a bit too far off. Also, when I adjust the gain pot for the 4.0 solution, won't that also mess up the 7.0 reading? Wil try tonight when I'm at home. Commented Nov 11, 2015 at 7:01
  • Yes, I also thought about iteration because that is the way it works for my normal meter. The problem is that this set-up now has two offsets; one as the pot on the board, one in the software. Changing either one for 4.0 messes up the 7.0 just as quickly. The only way this would work is when the software would apply a slope, or the pot would. Neither do as far as I can see. I tried your solution, see update. Commented Nov 11, 2015 at 19:52
  • @Jasper, you haven't posted in several days, although I see you have visited. Have you tried "Edit 2" or "Edit 3"? Commented Nov 17, 2015 at 13:31
  • I'm sorry, you're right. I read your response but didn't get to testing it. Now I have, see update above. Commented Nov 18, 2015 at 19:46
  • Btw the bounty expired but I'm more than willing to grant it to you. Let me know whether you want to try to get the other solution working and otherwise I'll go and do a new one + answer it. Commented Nov 18, 2015 at 20:10