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Need ideas to provide pulsetrain to spin stepper motor
I have returned from my trip and am back to solving my problem.   As mentioned in my original post, I have a Compumotor 2100 indexer that I am using to test my setup. I didn'...
Wednesday, 12 September 2018 - 23:25
Need ideas to provide pulsetrain to spin stepper motor
Thanks Who-me. I have downloaded the datasheet for further study....   Cris
Sunday, 5 August 2018 - 02:24
Need ideas to provide pulsetrain to spin stepper motor
Who-me wrote:The issue is not there just on idle, it is a problem to define a zero-based bidirectional current and a good zero is important for even normal operation. Wow, this...
Sunday, 29 July 2018 - 15:28
Need ideas to provide pulsetrain to spin stepper motor
Who-me wrote:Setting a zero point on a NE555 VCO looks somewhat hairy GRBL is available for various Arduinos and other MCUs. The standard is the Arduino UNO, but it is also...
Sunday, 29 July 2018 - 04:26
Need ideas to provide pulsetrain to spin stepper motor
Who-me wrote:I did a quick run with 'nice round numbers' of  C1=C2=1uF  R1=100k R2=200k, (I chose Caps == and varied R ) and that gives a  ~250ms rise 0 to 1.65V,...
Saturday, 28 July 2018 - 06:06
Need ideas to provide pulsetrain to spin stepper motor
Who-me wrote:Yup, the 2 pole one is likely what you need. I am using that one, based on your previous suggestion. Who-me wrote:Do you know what step-size the AVR uses on the PWM...
Saturday, 28 July 2018 - 00:53
Need ideas to provide pulsetrain to spin stepper motor
Okay, back on topic now.... Who-me wrote:Angelu is right, a true integrator is not the correct element to use here, you need a low pass filter, probably a 2 stage one. Who-me...
Friday, 27 July 2018 - 23:57
Need ideas to provide pulsetrain to spin stepper motor
Paul,   First I want to be clear that, although my previous post may sound terse, I am not irritated nor angry. I am merely having a discussion to determine what your point...
Friday, 27 July 2018 - 15:57
Need ideas to provide pulsetrain to spin stepper motor
avr-mike wrote:For anybody interested in how an integrator works, they are actually quite simple - Thank you Mike. I appreciate your desire to forward my analog education. I will...
Friday, 27 July 2018 - 06:37
Need ideas to provide pulsetrain to spin stepper motor
Kartman wrote:These are simple circuits you can build on a breadboard - you can perform your experiments and come to a better understanding. Otherwise you'll keep going around in...
Thursday, 26 July 2018 - 15:25
Need ideas to provide pulsetrain to spin stepper motor
So please bare with me here.... I don't get it - I'm not saying anybody is wrong, I just don't understand. Kartman wrote:why not just cut out the middleman and use an op-amp as an...
Thursday, 26 July 2018 - 06:26
Need ideas to provide pulsetrain to spin stepper motor
Paul,   I enjoy having these conversations. Keep in mind the title of this thread is “Need ideas to provide pulsetrain to spin stepper motor”. We are getting away from that...
Wednesday, 25 July 2018 - 15:23

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