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voltage reference
02-22-2017, 10:58 AM
Post: #1
voltage reference
Hi all,
I have the A4899 drivers. Can you please tell me what should de voltage refence be. I'm measuring between gnd and pot 0,6 v. If I increase this value it starts making annoying noise.

Charly
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04-05-2017, 06:02 PM
Post: #2
RE: voltage reference
The noise (buzz) is not a problem, that means the current is going through the motor coils. I have adjusted my steppers to deliver as much current as they can. Right now the voltage reference is 0.8 and they are delivering almost everything they have
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