Dynamic Controls Power chair, RC Boat trailer project

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Re: Dynamic Controls Power chair, RC Boat trailer project

Postby gcebiker » 22 Nov 2019, 23:43

hatam1996 wrote:hi

I made control board
And used Joystick Module
But it didn't work
Please give me the code I want it to work with the joystick model
CAN YOU GIVE ME sketch Modified code PLZ


You will find in this thread new versions of code that work better, if you post here you will have the most up to date information.
I have started working on it again, its summer here In Australia and I am getting ready for Squid season early in the new year.

I am now working on using the emulator to drive a Storm Arrow power chair with Brushless or 'GB' motors as Invacare calls them (Gearless Brushless)

The emulator works with the POWER MODULE , it replaces the JOYSTICK MODULE or in the case of woodys, used in parallel with a relay to switch between the joystick and the emulator.

To assist you better,
Please post pictures (as high res as possible) of the emulator you have built.
Please post screen captures of your data capture.

It is necessary when debugging this emulator, to supply a data capture of your board.
With out it there is no way to identify if its working.

Basic things to check are if the Shark Bus wires are plugged their corresponding Shark Bus HIGH, Shark Bus LOW.

Its not actually necessary to build up the emulator board to do the first phase of testing, the code can be loaded onto any Arduino Nano and snoop the output pin.

The emulator also relies on Libraries written by other people, changes to those can sometimes throw a spanner in the works.

If you start with supplying pictures of your build and data capture, we will be able to help you better. :ugeek:


As I am now actively working on this project again, I will post (On my webpage).
- Each version of the code that works, with out kinks.
- A video for each or links to past videos.
http://greenmobility.com.au/rc-wheelchair-controller/
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Re: Dynamic Controls Power chair, RC Boat trailer project

Postby hatam1996 » 22 Nov 2019, 23:52

hi
this my control board With joystick Module instead of RC But it didn't work



Image
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Re: Dynamic Controls Power chair, RC Boat trailer project

Postby gcebiker » 22 Nov 2019, 23:53

Issues with your build picture posted.

1. The biggest is that the code is written to receive RC inputs and you are using Analog Joystick inputs.
-- There for my code as it is, will not work.

Code will need to be rewritten.

2. Analog inputs into the Arduion are notorious for false reads, due to issues that are detailed in other Arduino forums.
-- This causes 'weird and unpredictable results' . Its the main reason i went from a build much like yours to the Nintendo Wii remote.
-- Joystick data reads via I2C are much more reliable.

3. We have no idea if you have a board wiring issue.
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Re: Dynamic Controls Power chair, RC Boat trailer project

Postby hatam1996 » 23 Nov 2019, 00:21

gcebiker wrote:Issues with your build picture posted.

1. The biggest is that the code is written to receive RC inputs and you are using Analog Joystick inputs.
-- There for my code as it is, will not work.

Code will need to be rewritten.

2. Analog inputs into the Arduion are notorious for false reads, due to issues that are detailed in other Arduino forums.
-- This causes 'weird and unpredictable results' . Its the main reason i went from a build much like yours to the Nintendo Wii remote.
-- Joystick data reads via I2C are much more reliable.

3. We have no idea if you have a board wiring issue.



tthankss
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Re: Dynamic Controls Power chair, RC Boat trailer project

Postby hatam1996 » 01 Nov 2020, 22:53

can you give me Sketch project plz
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Re: Dynamic Controls Power chair, RC Boat trailer project

Postby gcebiker » 02 Nov 2020, 03:20

http://greenmobility.com.au/rc-wheelchair-controller/
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Re: Dynamic Controls Power chair, RC Boat trailer project

Postby gcebiker » 02 Nov 2020, 03:23

Version for Nintendo Wii.
viewtopic.php?f=2&t=6503&p=117155#p117155

Version for RC control via a shark power module.
viewtopic.php?f=2&t=6503&start=270#p117801
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Re: Dynamic Controls Power chair, RC Boat trailer project

Postby spacehitchhiker42 » 25 Jan 2021, 01:12

would it be possible to set up a manual/RC selection switch? I have a friend that wants to be able to use the original joystick, and have a selector switch that switches to input from a remote control receiver.
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Re: Dynamic Controls Power chair, RC Boat trailer project

Postby woodygb » 25 Jan 2021, 01:52

Yes.

You will need to add in a double pole double throw relay or a manual switch .

Manual switch pic.
DPDT DYNAMIC.png
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Re: Dynamic Controls Power chair, RC Boat trailer project

Postby spacehitchhiker42 » 25 Jan 2021, 04:25

Ok thanks! Is there a schematic anywhere of that arduino nano board?
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Re: Dynamic Controls Power chair, RC Boat trailer project

Postby woodygb » 25 Jan 2021, 05:56

Try this.... it is slightly different to gcebikers original nano layout.
dynamic interface.jpg
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Re: Dynamic Controls Power chair, RC Boat trailer project

Postby ex-Gooserider » 26 Jan 2021, 02:15

woodygb wrote:Yes.

You will need to add in a double pole double throw relay or a manual switch .

Manual switch pic.
DPDT DYNAMIC.png


That is a strange DPDT switch! Most DPDT's that I'm familiar with are NOT marked w/ the 0-I labels since that implies On / Off action, and a DPDT is really an On / ON switch, (in it's simplest type) since you have the ability to have live power in either position...

DT (Double-Throw) switches can be tricky to shop for as there are a lot of different functions in terms of whether or not there is a 'Center-Off' position, and whether they are momentary or toggle in either (or both) directions....

I'm sure you know Woody, but for others info, a DT switch can typically be either two position (i.e. On-ON) where it has to be on to one side or the other, or 3 position where there is a middle OFF position where neither side is connected, i.e. "On-Off-On"... If the action in one or both directions is momentary, they will usually put the momentary position in parentheses, i.e. the typical switch for an actuator is designated (ON)-OFF-(ON) - where it has a center off, and goes momentarily (when pushed) to either position to move the actuator in or out....

For the use in question, where you want to have either the joystick or a remote input, but (presumably) never NO input, you would want an ON-ON switch with no center off position.

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Re: Dynamic Controls Power chair, RC Boat trailer project

Postby pflumph » 08 Apr 2021, 17:11

Apologies in advance for my ignorance.
I've converted a couple chairs to RC/Ardurover control, but always directly with an s-bus motor controller. I have a new project on a Mk6i controlled chair that has a number of linear actuators that I'd like to use. They are strong and have positional feedback, which is great. But to use that I'll need to hijack the Dx protocol - I think.
I'm trying to determine if this project has been ported successfully to control an Invacare Mk6i DX protocol chair.
I've read through most of the thread and it seems that Shark and DX are not compatible, but I saw mentioned that the board developed here could be compatible with Dx with programming. Is that the case?

Many thanks!
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Re: Dynamic Controls Power chair, RC Boat trailer project

Postby woodygb » 08 Apr 2021, 18:18

I believe that the DX uses a completely different communication protocol.

http://greenmobility.com.au/rc-wheelchair-controller/
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Re: Dynamic Controls Power chair, RC Boat trailer project

Postby gcebiker » 09 Apr 2021, 02:02

Ive only done limited testing, mostly because the tow chair that is in the videos is working so well.

Connecting the Shark Emulator Remote thingie that i built up, the MK6i Power Module powers up (but then it wont drive, but that could also be because i tested it pre fixing the Joystick file settings with the HHP)..... so possibly similar code.

I have not yet sniffed the bus to determine what the protocol is, not since i was able to purchase a MK6i HHP and restore the chair to working condition after the file was named wrong in the PC software.
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Re: Dynamic Controls Power chair, RC Boat trailer project

Postby Paolodir » 05 Dec 2022, 18:18

Good evening to everybody, I'm building the same wheelchair like that: http://www.greenmobility.com.au/8-2/
I buyed the same components and I have the same wheelchair; just one question: does the code on this link goes well? or somebody that alredy built it had encountered some trouble and some missing on this code?
Thank you very much to everybody!
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Re: Dynamic Controls Power chair, RC Boat trailer project

Postby gcebiker » 06 Dec 2022, 23:22

Hi,

There are different versions of the code, variations depend on your control interface (RC, Tablet, Joystick).
All of the code has descriptions for what each line or section does.

The one issue i could see happening it that the libraries that the code runs from are not installed in your Arduio IDE folders or have been updated and the code needs tweaking to work with new libraries.

As mentioned a few times, you MUST make sure the DG489 Switch is rated to the FULL battery voltage, I used Maxim brand but the specs would need to be checked for the version/brand you use.

My circuit board, that you may have purchased needs a switch or trace to power the Arduino, the power from the Tracopower regulator is there to the pin out, which was designed to be used for a lower power switch should it be needed.

The board i use I soldered a jumper wire.
I am on a different PC at this time and don't have access to the picture/trace but I will try to find it for you.
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Re: Dynamic Controls Power chair, RC Boat trailer project

Postby gcebiker » 07 Dec 2022, 00:05

This is the trace that is 'missing', in retrospect, I should have put one in but thought every one would be using a physical switch or want to use a Raspberry Pi to power the board, thus left it not connected.

Also there were different code and jumper-ed pins on the input side to use Pi, PPM, I2C or serial.

Please get back in touch should you like further guidance.
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Re: Dynamic Controls Power chair, RC Boat trailer project

Postby gcebiker » 07 Dec 2022, 02:56

gcebiker wrote:Hi,

There are different versions of the code, variations depend on your control interface (RC, Tablet, Joystick).
All of the code has descriptions for what each line or section does.

The one issue i could see happening it that the libraries that the code runs from are not installed in your Arduio IDE folders or have been updated and the code needs tweaking to work with new libraries.

As mentioned a few times, you MUST make sure the DG419 Switch is rated to the FULL battery voltage, I used Maxim brand but the specs would need to be checked for the version/brand you use.

My circuit board, that you may have purchased needs a switch or trace to power the Arduino, the power from the Tracopower regulator is there to the pin out, which was designed to be used for a lower power switch should it be needed.

The board i use I soldered a jumper wire.
I am on a different PC at this time and don't have access to the picture/trace but I will try to find it for you.
http://greenmobility.com.au/rc-wheelchair-controller/
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Re: Dynamic Controls Power chair, RC Boat trailer project

Postby Paolodir » 04 Jan 2023, 18:05

gcebiker wrote:This is the trace that is 'missing', in retrospect, I should have put one in but thought every one would be using a physical switch or want to use a Raspberry Pi to power the board, thus left it not connected.

Also there were different code and jumper-ed pins on the input side to use Pi, PPM, I2C or serial.

Please get back in touch should you like further guidance.

Sorry but I cannot see any file, could you send it back again please?
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Re: Dynamic Controls Power chair, RC Boat trailer project

Postby gcebiker » 05 Jan 2023, 01:05

Paolodir wrote:
gcebiker wrote:This is the trace that is 'missing', in retrospect, I should have put one in but thought every one would be using a physical switch or want to use a Raspberry Pi to power the board, thus left it not connected.

Also there were different code and jumper-ed pins on the input side to use Pi, PPM, I2C or serial.

Please get back in touch should you like further guidance.

Sorry but I cannot see any file, could you send it back again please?


http://www.greenmobility.com.au/wp-cont ... er3.25.png
The positive trace from the 6.3v 1000uf capacitor to the Arduino header pins.
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Re: Dynamic Controls Power chair, RC Boat trailer project

Postby Burgerman » 05 Jan 2023, 01:28

I have a real rasberry pie in my kitchen. 6 small ones actually.
Thats about my limit when it comes to arduuino/rasberry pies etc. I just dont understand them. Or rather the programming of said devices. I just downloaded this to have a look. https://www.arduino.cc/en/software
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Re: Dynamic Controls Power chair, RC Boat trailer project

Postby Paolodir » 08 Jan 2023, 00:34

I tried reading the code and saw that the only library used is "SoftwareSerial". Do you know which version of the SoftwareSerial library was used in the code in this link? http://www.greenmobility.com.au/8-2/
Thanks for your help
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Re: Dynamic Controls Power chair, RC Boat trailer project

Postby gcebiker » 27 Apr 2023, 11:33

Hi the code may need to be updated if there is a change to a library.
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