Max. stepper speed NEMA 17 vs. NEMA 17 with 5:1

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Left stepper:
- 17HS15-168S-PG5

Right stepper:
- QSH4218-51-10-049

both 0.6A @ 12V
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Hello, I saw your great video and I'm currently working on a project. I would like to operate 3 Nema 17 motors with the A4988 driver with a microcontroller. I can do that without any problems, but if more than one motor is controlled by the microcontroller at the same time, then both motors run slower. Likewise, if all 3 motors are controlled at the same time. I have already carried out measurements and saw that if 2 motors are controlled at the same time, then there is a current loss of about 20mA. I wanted to ask you how you did it. I couldn't tell you were having the same problem. All engines run stably. Have you encountered this problem too? I use an english translator because my english is not that good. Thanks for the answer

sebastianhamburg
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Nema 17 with planetary gearbox create noise?

pramodjalgaonkar
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Wpuld you reccomend these steppers with reduction for direct driving the tilt and pan axis?

fibranijevidra
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Max. Speed ?!? That´s far from being "max." ... That´s easy going ;)

chaaalyy