Problems quickly arise when you want to test using parts off amazon or aliexpress. They rarely have manufacturer names, so getting matching spice models is a...
I spent a few minutes last night trying to get SPICE working in KiCad and ended up on google. It turns out they have some generic devices, but you're meant to download the SPICE...
Published on - 2nd July 2010 16:12
Number of Views: 7853
I have been thinking for a while, how to put togeter a simple microstepper controller without using a ready made commercial driver.
At the end, I came up with this simple project capable to drive unipolar stepper motor in three different modes
FULL STEP
HALF STEP
MICRO STEP
The Pic micro used in this work is a Pic 16F628 a powerfull small micro with PWM capability. With this MCU plus a 74HC04 and a74HC86 the controller will produce 20 microsteps out of a nominal motor step.
An additional improvement of this controller, is the capability to accept travel commands of 24 Bits, wich gives to the user the possibility to send positioning profile of over 16 millions steps.
Controller accept commands via TTL serial port @ 9600,n,8,1 and return an (Ack) once the positioning profile has been completed.
Download the zipped MicroStepper.zip file which contains schematic + software + user manual
Also attached is a simple stepper controller example called Stepper_MK2.zip
Re: CircuitLab simulation
Yeah ... too good to be true. :(
Demon - 5th May 2024, 21:57Problems quickly arise when you want to test using parts off amazon or aliexpress. They rarely have manufacturer names, so getting matching spice models is a...