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1 vote
1 answer
229 views

How to translate a connection (Step Motor Driver)?

I am following this connection to get a driver to an Arduino and a step motor. The original connection is this: Green wire --> Step Blue wire --> DIR Red wire --> +5V My driver, However, has ...
Anwer Ak's user avatar
0 votes
2 answers
558 views

Do I need a higher amperage power supply for more stepper motors

I have a very simple question: I am trying to power five 28BYJ-48 stepper motors attached to some ULN2003 driving boards but I am confused about the amperage I need. Each of the stepper motors needs ...
KidWithComputer's user avatar
0 votes
2 answers
1k views

Stepper motor shaft vibrates, and vibrates the load

I am new to the electronics hobby so any help is appreciated. For my application I need a quiet motor that can provide high torque at low speed. I purchased a NEMA 17 stepper motor (model is 17HS4401s)...
moaz Samy's user avatar
0 votes
1 answer
208 views

L298N minimum output current/voltage

Does the L298N have a minimum output voltage? I want to control it such that the output varies from -Vs to +Vs, does it go linearly near 0, or is there a threshold that it passes? I can't tell what ...
Anatha's user avatar
  • 1
0 votes
1 answer
404 views

1-10Hz frequency count translated to PWM for stepper motor RPM

I would like to control the speed of a stepper motor based on an input signal that consists of short 12V pulses at a varying frequency of 1-10Hz. I know this is an easy task with a microcontroller but ...
Max Maruszewski's user avatar
0 votes
1 answer
683 views

Which stepper motor should be enough to move a water valve and for the TMC2130 driver?

I need a stepper motor and a driver to control it. But I don't know which would meet my needs. I have an Arduino MEGA 2560 if that's relevant. Aim I need to close and open a Nupro valve with ...
ChesuCR's user avatar
  • 113
0 votes
1 answer
1k views

Capacitor to discharge upon switch open

Update Please evaluate this third attempt: This is my first electrical project, so please be gentle with me. I know very little about electronics. I'm building a machine that has a crank that users ...
BentoBurrito's user avatar
1 vote
1 answer
2k views

I need help controlling the 'sled' motor of a CD-ROM, based off of a datasheet

I have a CD-ROM that I would like to use the stepper motor from. I specifically would like to use the existing driver for it. The circuit diagram for this driver, the BD7907FS, is below. I understand ...
Cameron K's user avatar
  • 127