Hello,
Option 1 it could be corrupted Nano memory.
Option 2 interference with i2c bus. Socket 2 has i2c pins, you might want to remove those wires because socket 2 doesn’t use it.
Option 3 power issue. If regulator gets hot, something drains the power. Check for shorts, bad soldering, etc
Hello there!
I want to let you know that I just published the source code of Film Camera Tester SRT-2 on Github.
I am glad that after so many years there are still interest in building that project.
What you possibly can do with that code?
You may want to modify calibration tables to match...
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