Search the forum for "wavgat" they look like a normal UNO but are quite possibly the worst clone out there. It is not the connections that make them bad boards !
My PSU's here are not current limited but much more then I will ever need 40A 24V
That allows me to spur off for other uses and drop the voltages with suitable dc-dc convertors that are also over rated for AMPS.
When working with steppers, drivers, etc. I find having a known good back up board, driver, CNC shield an invaluable set of items. to have handy.
That way I can swap in any of them to be sure that it is working.
Breadboards are not best suited for high current or voltage either.
But in most cases they are OK for a quick test / prototype situation prior to moving to something more robust.
Hi, I figured out why it wasnt working.. driver has
the driver has confused markings on output pins and I figured that out when I got dvr8825 drivers..
Now I have new question.
So if I set microstepping to lets say 1/16 and I change steps per revolution in code, why does stepper needs 2 A at slow speed but just about 300mA at higher speed without any load on stepper motor?
Thanks
2 motor windings are energized at the same time so 1A per winding. When motor is running Amps are "chopped" so a DC reading is not accurate.
Did you do as jim-p advised? Is the motor overheating?
Yes, I limited current.
Driver gets hot and motor too.. I cant say if motor is overheating... probably not but driver probably does overheats.
And current reading is same on lab power supply.
