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8 Ch relay power box - sharing my build progress


mcfada
(@mcfada)
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Joined: 7 months ago
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Hello Mycodo users, hope this is a good place to just share a build progress update. I'm planning Mycodo for my hydroponic garden. I envision a main control box which will have the raspberry pi, then other 'modules' built out separately. The modules are connected over ethernet cable, which is just cut and made into 4 wires for I2C. This lets me run things pretty freely to where I need them. This power box uses keystone jacks, so easy to swap the ethernet for another port. Inside the box is a PCF8574 breakout board, and 8Ch relay board. Tested and working well over the web. Next to build out the sensor module. Thanks for looking

https://imgur.com/a/BDH0CiQ


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Kyle Gabriel
(@kylegabriel)
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Joined: 6 years ago
Posts: 612
 

Hi. That looks nice. How does the jack attach to the panel wall?

Mycodo Developer


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mcfada
(@mcfada)
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@kylegabriel

Thanks for looking. The inside has the geometry of a keystone jack face plate printed into it. So you can buy any keystone plug and it snaps in place. Here attached is the view looking at the inside (with one jack removed)


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Kyle Gabriel
(@kylegabriel)
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Aha. This is a 3D printed case. Are there design files online somewhere?

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mcfada
(@mcfada)
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Not anywhere else yet, I will leave a comment here when I do. That will include a bit more assembly photos. Here is the STEP file if you are interested 

 

edit. Oops seems its not a good filetype


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Kyle Gabriel
(@kylegabriel)
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I just changed the allowed file types. Try again.

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mcfada
(@mcfada)
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Cool thanks. Here is the STEP file for the housing

 

edit. nope

This post was modified 2 months ago 2 times by mcfada

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Kyle Gabriel
(@kylegabriel)
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ok, try now. Look slike it worked, as I was able to attach a .py file I just also allowed, which I wasn't able to before.

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mcfada
(@mcfada)
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OK fingers crossed


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lemonsquash11
(@lemonsquash11)
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I like the modular concept of your setup and that's a very clean solution for the ethernet jacks!


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bartonio
(@bartonio)
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@mcfada

hello, i have read your communikation about I2C Stepperadapter /Grove in the mycodo forum.

My problem is that i dont have enough money to buy all that Atlas scientific hardware.

ph kit and ec kit is absolutely necessary to get best results.

Now i have read that you wrote some code to get it running with a grove i2c stepperboard.

I would like to do it like you, saving some money and run Peristaltic pumps with steppermotors.

Can i use your code too, i have not found any other suggestion for my issue.

 

 


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mcfada
(@mcfada)
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@kylegabriel

Hey Kyle, I have some new hardware/3D prints to share. I see your new forum... when I log in it says my username doesn't exist. Do we have to make a new account to post on your new forum?


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mcfada
(@mcfada)
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@bartonio

 

Hello, sorry I just saw your post. Yes! please use this. I actually have it working on my end since posting that (I think I was quite a bit off back then). I just haven't posted the update code since I haven't had a chance to debug it. Here it is if you want to reference. Maybe I should figure out how to use GitHub and make a pull request or whatever it is called to share this with more people

 

think this is a working file... Like I say, haven't debugged. You should be able to load it as a custom output, calibrate to your pumps, then I recommend always running them at the same speed.


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Kyle Gabriel
(@kylegabriel)
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Posted by: @mcfada

Do we have to make a new account to post on your new forum?

Yes. Neither users nor posts could be moved to the new forum.

Mycodo Developer


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Kyle Gabriel
(@kylegabriel)
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FYI, we're having a discussion about this Grove I2C Motor Driver Output module on the new forum at https://forum.kylegabriel.com/t/grove-i2c-motor-driver-support/86

@mcfada, I believe @bartonio would like to contact you on the new forum as well.

Mycodo Developer


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