DIY automatic kh tester

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axlzys

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hello guys
i made a automatic kh tester with Arduino,
and the case made by 3d printer,
two dc motor and one step motor,

but i have a problem,
i was learned c++ ten years ago, just little.
now i don’t know how to save the date in a html,
the tester only can display last one result in oled.

E557C90A-966A-44FA-9232-43FF7CF04858.jpeg

9466C37A-5FDC-4F00-8F88-6B4BD5F4FF5B.jpeg

8FBD6ADF-F148-497A-9A7D-C82CCFCA6968.jpeg
 
If you open source the project you might get lucky and find a couple of people willing to help you with the missing bits...
the code is very crude .a lot of delay() in the code.
 
I put together a titrator using Raspberry Pi
I have been using it for four years.
I am constantly redoing something.
Accuracy 0.1 kh compared to Hanna.
photo_2021-11-10_20-07-23.jpg


1636567994321.png


1636567907347.png


Good luck with your project!
 
I put together a titrator using Raspberry Pi
I have been using it for four years.
I am constantly redoing something.
Accuracy 0.1 kh compared to Hanna.
photo_2021-11-10_20-07-23.jpg


1636567994321.png


1636567907347.png


Good luck with your project!

Looks awesome! Are you planning to publish it so others can replicate, by any chance?
 
hello guys
i made a automatic kh tester with Arduino,
and the case made by 3d printer,
two dc motor and one step motor,

but i have a problem,
i was learned c++ ten years ago, just little.
now i don’t know how to save the date in a html,
the tester only can display last one result in oled.

E557C90A-966A-44FA-9232-43FF7CF04858.jpeg

9466C37A-5FDC-4F00-8F88-6B4BD5F4FF5B.jpeg

8FBD6ADF-F148-497A-9A7D-C82CCFCA6968.jpeg
I presume you use one of the RTC chips to keep track of time? Arduino's don't have a built-in clock, just a timer allowing to count milliseconds (up to 11 days).
 
I put together a titrator using Raspberry Pi
I have been using it for four years.
I am constantly redoing something.
Accuracy 0.1 kh compared to Hanna.
photo_2021-11-10_20-07-23.jpg


1636567994321.png


1636567907347.png


Good luck with your project!
Awesome... do you have plans on how to build this? Interested...
 
I want to build one to, but I don’t really have any knowledge on how to use Arduino or anything like that is there anyway anyone can help me?
 
Like is there a walkthrough on what pieces I need and what programs I need?
Sure, most of these projects are controlled by Arduino, a comprehensive guide on getting started can be found here:
https://www.arduino.cc/en/Tutorial/HomePage
The programming part is actually the easiest one, connecting pump motors, PH board and stirrer is a bit more complicated. Generally such project is not for beginners and I would recommend to start with a simpller one..

In terms of wiring - the schematic diagaram for a peristaltic pump can be found here:

https://www.reef2reef.com/attachments/peri_pump_diagram-pdf.2352911/
 
hello guys
i made a automatic kh tester with Arduino,
and the case made by 3d printer,
two dc motor and one step motor,

but i have a problem,
i was learned c++ ten years ago, just little.
now i don’t know how to save the date in a html,
the tester only can display last one result in oled.

E557C90A-966A-44FA-9232-43FF7CF04858.jpeg

9466C37A-5FDC-4F00-8F88-6B4BD5F4FF5B.jpeg

8FBD6ADF-F148-497A-9A7D-C82CCFCA6968.jpeg

I don’t know any actual programming language, but do know a bit about them in general…would using Python language work? My understanding is that Python is fairly easy for folks to learn / use…
 
I don’t know any actual programming language, but do know a bit about them in general…would using Python language work? My understanding is that Python is fairly easy for folks to learn / use…
Aruino runs on C++.. however most use of C++ is very basic. If you programmed in other languages you shoulld be able to adapt to write simple Arduino programs.. But generally no to Python (and BTW it's a horrible language with almost no structure)..
 
I don’t know any actual programming language, but do know a bit about them in general…would using Python language work? My understanding is that Python is fairly easy for folks to learn / use…
Sure, check out the pyduino. Or you could use a raspberry pi, they are python native.
 
Sure, most of these projects are controlled by Arduino, a comprehensive guide on getting started can be found here:
https://www.arduino.cc/en/Tutorial/HomePage
The programming part is actually the easiest one, connecting pump motors, PH board and stirrer is a bit more complicated. Generally such project is not for beginners and I would recommend to start with a simpller one..

In terms of wiring - the schematic diagaram for a peristaltic pump can be found here:

https://www.reef2reef.com/attachments/peri_pump_diagram-pdf.2352911/
Thank you I appreciate that
 
I put together a titrator using Raspberry Pi
I have been using it for four years.
I am constantly redoing something.
Accuracy 0.1 kh compared to Hanna.
photo_2021-11-10_20-07-23.jpg


1636567994321.png


1636567907347.png


Good luck with your project!
Is this an open source project with STL to print uploaded somewhere ? I'm very interested...
 

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