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Module v4.2 swapping R19 and R20

Has anyone else here who built the R19R20 swap cell modules have them running ? I have 50 of these modules and it seems for some reason once you swap the R19 and R20 around and program the ATTINY with the relevant R19R20 code the temperature are out by 20deg. so instead of reading 25degree they read 45deg which means that hardly bypass at all as they reach 60deg to soon, I am just trying to see if it’s only me and a problem with all 50 cell modules or are other people seeing the same thing ? Stuart has been trying to help me