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Tx trims: are they needed?

Posted: Mon Jan 21, 2019 2:58 pm
by slim71
Hi there,
I'm in the process of changing Tx for my Arduino nano quadcopter running Multiwii. I'm kinda new, even if I've built the drone myself, because I haven't flown much.
I was considering adding some trims on the Tx itself, as the one you can easily find in pre-built transmitters, along the sticks... But I now know that for the calibration of the accelerometers I don't it them, right? I just use the sticks combination to make the correction needed, and that's it..
If that's the way, I'm wondering: what's the difference in behaviour of the two calibration modes? (via sticks and via buttons) Also, if you know, what they do software-wise?
Thank you very much!