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Author Topic: Polargraph and L298n
Dima85
Newbie
Posts: 2
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Post Polargraph and L298n
on: December 19, 2017, 20:37
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Thank you for your work!
I use: https://github.com/euphy/polargraph_server_a1/blob/master/polargraph_server_a1_adafruit_v1.cpp.hex
Previously, I started arduino uno and shield with L293D, everything works fine.
Now I want to try the L298n plug so far only 1 motor, in the application screenshot. The motor hums, hands do not move, but it does not turn. Maybe I'm confused with pins?
The figure shows the order of 2 4 3 5, just tried 2 3 4 5, did not help. What else do I need to configure?
Tell me please.
Sorry for my bad english
Image
Shorn
Beginner
Posts: 33
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Post Re: Polargraph and L298n
on: December 19, 2017, 21:10
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I believe you have to pull the enable pins high.

Image

Arduino DC Motor Control Tutorial – L298N | PWM | H-Bridge

Hardware:
*Running an Arduino Nano reflashed with an Uno bootloader
*Modified knockoff GRBL CNC shield with knockoff DRV8825 step drivers
*400mA -200 step motors set to 16x microstepping
*2mm belt with 36 tooth drive gears
*Machine set to 1500 Max speed and 5000 motor acceleration

Software:
*Stock Polargraph Controller to make command queues
*D2S version 2
*Send.py on remote Raspberry Pi
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