I just tried another attiny85 and got these result:
That should give the same error (in opposit direction) at (1503-1500)/1500 = +0,2 %
13 B1 Finished This 48 1493 35 3 4479 7465 49 1503 10 3 4506 7510 50 1510 48 3 4529 7548
Copy-and-paste the following line of code at the top of setup...
OSCCAL = 0xB1;
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Left This Right
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Step OSCCAL State Position Cal 9bt Err # C9bt CClk Cal 9bt Err # C9bt CClk Cal 9bt Err # C9bt CClk
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