Arduino Programmable Timer - The Planted Tank Forum
 
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post #1 of 6 (permalink) Old 11-16-2015, 11:52 PM Thread Starter
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Arduino Programmable Timer

I was going to complete it and then start the thread but due to popular demand, here I am.

I am trying to make a cheap programmable timer that will have many outputs and can be individually programmed(I start cheap but usually end up spending more than the ones that are already available in the market). Any suggestions are welcome. I am a newbie to these kind of things and I am sure this is a 5min thing for experts.

Goal : Timer that will have atleast 6 - 8 individually programmable outputs. In future, it should also have multiple inputs like temperature, Ph etc.

Here are the stuff that I have so far
1. Sainsmart 8 channel 5V Relay Module
2. Digispark Arduino Real time clock kit
3. Sainsmart TFT LCD Touch screen
4. Arduino Mega
5. Cheap Powerstrip from home depot for testing.

Pic below

I will update it when I do something to it. Please leave your suggestions and problems that you already foresee.
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post #2 of 6 (permalink) Old 11-16-2015, 11:55 PM
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am i seeing that right..you paid $1.99 for the 8 channel relay???

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post #3 of 6 (permalink) Old 11-17-2015, 12:00 AM Thread Starter
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Quote:
Originally Posted by ichy View Post
am i seeing that right..you paid $1.99 for the 8 channel relay???
I tried but Microcentre wouldn give me. It was $11.99.


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post #4 of 6 (permalink) Old 11-20-2015, 05:09 AM
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In my experience, making the user interface is the most time consuming part of this.

Also, you generally want to wire/program all the inputs/outputs/devices BEFORE setting it up on your tank. Speaking from personal experience and preference here.

I personally would build the iAqua setup, sounds like it would suit your needs and it uses basically the same parts that you already bought. Unless you really want to make your own, nothing wrong with that

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post #5 of 6 (permalink) Old 11-23-2015, 09:18 PM
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I have a similar project in mind. I just got an Arduino last week! I imagine there are libraries or code sample for managing the display and controls to jumpstart the project, but I have not started looking yet. I would be interested to know if you find anything interesting.
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post #6 of 6 (permalink) Old 11-30-2015, 04:48 AM Thread Starter
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Quote:
Originally Posted by PhysicsDude55 View Post
In my experience, making the user interface is the most time consuming part of this.

Also, you generally want to wire/program all the inputs/outputs/devices BEFORE setting it up on your tank. Speaking from personal experience and preference here.

I personally would build the iAqua setup, sounds like it would suit your needs and it uses basically the same parts that you already bought. Unless you really want to make your own, nothing wrong with that
I like doing DIY things and I really dont need one at the moment. I am just trying to build one for fun. I want to extend the uses of it to control my heater with temp sensor, Control CO2 with a color detection/ph sensor etc.

I am going to setup the whole thing before soldering or going anywhere near my tank. Thanks for the advice

I read the whole post on iAqua and it is an inspiration but that set up is way too complicated for me. I would like to start simple

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Quote:
Originally Posted by Cthulhu View Post
I have a similar project in mind. I just got an Arduino last week! I imagine there are libraries or code sample for managing the display and controls to jumpstart the project, but I have not started looking yet. I would be interested to know if you find anything interesting.
The display codes to jump start are easily available online. Its the customization after this that will be a pain. I will post as I progress.


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