DIY AutoSteer with AgOpenGPS - Page 184 - The Combine Forum
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post #1831 of 1998 (permalink) Old 06-11-2019, 10:09 AM
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Originally Posted by LarsVest View Post
I think I use the same Button sketch, installed on arduino in january, you can find my build in post 1636 in diy autosteer.
It acts as you describe, no connection between footpedal and agopengps program.
But my foot pedal triggers my valves on and off, but only after I have activated autosteer by click in agopengps.

Then it works until agopengps deactivate by rules, like driving less than 1 km/h or not doing turn correct, or going outside boundary with the U-turn activated.
To reactivate footpedal, I have to click twice on autosteer icon = off and on again(if outside boundary you must first deactivate U-turn)
I modified AoG and the Arduino sketch so that either a screen touch/click or an Arduino button press toggle autosteer on/off.

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post #1832 of 1998 (permalink) Old 06-13-2019, 02:46 PM
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Originally Posted by Weder View Post
Last weeks I wrote an ASD Interface, which allows AOG to control ASD enabled Machines with Section Control. ASD Protocol is a binary serial interface to control Machines without Isobus. It was developed by MŁller Electronic and allows you to transmit section- and rate data in both directions. Machine terminals supported are Rauch Quantron A, E, E2 , ME Spraylight, and Drillcontrol at the moment.

Code and Schematics for the ESP32:
https://github.com/Coffeetrac/AG_ASD_Host
Hi Weder,
Just upgraded our fertilisation equipment from the old lever out the cab window to a 2007 Kuhn/Rauch Axis H emc with a Quantron control box.
The tractor has no isobus and no ground speed socket! Any ideas how to feed AOG sat ground speed into the Quantron?
Was planning to use your ASD interface to do section control.

Thanks.
Peter.

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post #1833 of 1998 (permalink) Old 06-13-2019, 07:20 PM
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My approach would be: use the esp (and a few external components for 3.3V => 12V) to generate a speed signal.
Convert the speed into centimeters per second, and use that to set the frequency of a PWM-generator with a duty cycle of 40%.
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post #1834 of 1998 (permalink) Old 06-14-2019, 04:45 PM
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Originally Posted by doppelgrau View Post
My approach would be: use the esp (and a few external components for 3.3V => 12V) to generate a speed signal.
Convert the speed into centimeters per second, and use that to set the frequency of a PWM-generator with a duty cycle of 40%.
Was thinking of that approach, although need to check what kind of pulse the ground speed/radar pin needs.
Did think there would be a way of feeding speed in serial (must be able to do it using can some how!)?
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post #1835 of 1998 (permalink) Old 06-14-2019, 05:04 PM
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Originally Posted by Peter Brothers View Post
Was thinking of that approach, although need to check what kind of pulse the ground speed/radar pin needs.
Take it with a grain of salt, but I think Fendt was using 12V for the pulses, guess that's historically the easiest (reed-contact and a magnet in the beginning or something like that)

Quote:
Did think there would be a way of feeding speed in serial (must be able to do it using can some how!)?
That would be the nicest option, but didn't find any hints in the manual
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post #1836 of 1998 (permalink) Old 06-18-2019, 07:46 AM
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Barn
Who has successfully ordered the parts from DigiKey etc and obtained a PCB?

I have all my parts and PCB but when I sat down to confirm what goes where I can find R8 but it doesn't say if its 330 or 1K. Also I can find R1 through to R19 but no R15. Is this correct?
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post #1837 of 1998 (permalink) Old 06-18-2019, 09:20 AM
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Originally Posted by ArBe View Post
Who has successfully ordered the parts from DigiKey etc and obtained a PCB?

I have all my parts and PCB but when I sat down to confirm what goes where I can find R8 but it doesn't say if its 330 or 1K. Also I can find R1 through to R19 but no R15. Is this correct?
About R8: https://www.thecombineforum.com/foru...ml#post3325153
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post #1838 of 1998 (permalink) Old 06-18-2019, 09:28 AM
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Thanks Kaupoi.
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post #1839 of 1998 (permalink) Old 06-18-2019, 10:52 AM Thread Starter
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Originally Posted by Kaupoi View Post

Yes R8 is just a jumper. You could put a small resistor like 10 ohms etc if you want to limit the current to the proximity switches. If you are just using normal switches, you don't even need to put in anything in R8.
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post #1840 of 1998 (permalink) Old 06-18-2019, 11:36 PM
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While not related to the project at hand, I have ordered from digikey.ca multiple times without issue in the slightest. Generally it's my go to place for parts where electronics are concerned.

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Drive lots of little things, one day i will get to play with big toys.
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