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'...
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...
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'...
Thanks Who-me. I have downloaded the datasheet for further study.... Cris
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...
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...
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,...
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...
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...
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...
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...
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...
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...
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...
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