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Parts Questions

Ask here about your controller made with pieces purchased in other shops.

Post Number:#1 Post Mon Feb 04, 2019 3:48 am
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I'm building a new 100 Gal Reef tank. I love DIY and used to be a programmer so this project really interests me. Also I have an old Arduino Mega sitting around needing something to be.

Problem I'm starting with is finding parts that can be shipped to me because I live in a remote area and there's nothing that sells these types of electronics here. One vendor that is easy and cheap for me to buy from is Aliexpress so I was wondering if these parts would work?

#1: I've got an old Sainsmart Arduino Mega that I was going to use: https://www.sainsmart.com/products/mega ... compatible

#2: I was going to skip having a TFT and just go WiFi for the interface since it's working. https://www.aliexpress.com/item/V2-4M-4 ... 90484.html

#3 IO Expander: https://www.aliexpress.com/item/PCF8575 ... 86560.html

#4 Multiplexer: https://www.aliexpress.com/item/Free-sh ... 52378.html

#5 pH Probe and Circuit: https://www.aliexpress.com/item/1Set-Li ... 78131.html

#6 Float Switches: https://www.aliexpress.com/item/5Pcs-Wa ... 04354.html

#7 Temp Probe: https://www.aliexpress.com/item/Free-sh ... 11989.html

#8 Dosing Pumps: https://www.aliexpress.com/item/1Pcs-6V ... 01696.html


I've also got 2 Solid State Relays and 8 Electromechanical relays for power strip control, but these should be fine. Also I'll be using an old computer power supply to run everything.

Is there any parts on this list that would not be compatible with the Ferduino? Just want to ask the experts before buying :)

Thanks.

Post Number:#2 Post Mon Feb 04, 2019 9:12 am
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Hi!

Welcome Rick!

This pH circuit is not compatible with Ferduino code so there's no support here.

Take care with this dosing pump because circuits available on forum are using 12 V so you should use 6 V instead.

All others parts are ok.

Best regards.
Please do not PM me for support unless it is absolutely necessary.

I'll not write custom function to nobody unless you can pay for my job.

Post Number:#3 Post Mon Feb 04, 2019 5:51 pm
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Thanks for checking these out Fernando.
I'll get the 12v pumps and pay the extra for the pH monitor everyone else uses to ensure it has the best chances at working :)

Forgot to ask. Since I'm not using a TFT or Ethernet and just going WiFi do I need to get a SD Card module for the software?

Cheers.

Post Number:#4 Post Mon Feb 04, 2019 10:10 pm
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You can buy 6 V dosing pump just take care with power supply.

Yes, SD card module is needed.
Please do not PM me for support unless it is absolutely necessary.

I'll not write custom function to nobody unless you can pay for my job.




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