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Forum ‹ Members section ‹ DIY Ferduino controller ‹ Relay 16 or 8
Relay 16 or 8 [SOLVED]
11 posts
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Post Number:#1
Thu Mar 12, 2015 3:00 am
Thu Mar 12, 2015 3:00 am
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Age: 40 Gender: 
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I have the pcf8575 all wired and and I am currently waiting on my 16 relay board to come in the mail. I just now noticed that there is a 8 relay board also. Is this still needed if I use 16 relay board? I plan on using all functions of the ferduino.
Post Number:#2
Thu Mar 12, 2015 10:03 am
Thu Mar 12, 2015 10:03 am
Posts: 1699
Topics: 38 Images: 301 Solve rating: 233 Joined: Mon Mar 03, 2014 5:59 pm Topics: 38
Age: 39 Location: São Paulo Gender: 
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Hi!
A relay board with 16 channels should be enough.
I have a relay 7 channels and 8 Amper in my diagram because some devices need of high current as return pump, chiller and heater.
This question was explained here: http://www.ferduino.com/forum/viewtopic ... 1110#p1110
Best regards.
A relay board with 16 channels should be enough.
I have a relay 7 channels and 8 Amper in my diagram because some devices need of high current as return pump, chiller and heater.
This question was explained here: http://www.ferduino.com/forum/viewtopic ... 1110#p1110
Best regards.
Post your doubts on forum because it can help another user too. Just PM me for support if it's absolutely necessary.
Post Number:#3
Thu Mar 12, 2015 2:42 pm
Thu Mar 12, 2015 2:42 pm
Posts: 13
Topics: 3 Solve rating: 0 Joined: Mon Mar 09, 2015 4:56 pm Topics: 3
Age: 40 Gender: National Flag:
OK, the one I ordered is 10a. Do I need to change anything in the code to move the heater to the 16 relay board? Thank you again for the help.
Edit: Sorry just got up and a little out of it still. I understand now. Thank you.
Edit: Sorry just got up and a little out of it still. I understand now. Thank you.
Post Number:#4
Thu Mar 12, 2015 2:50 pm
Thu Mar 12, 2015 2:50 pm
Posts: 1699
Topics: 38 Images: 301 Solve rating: 233 Joined: Mon Mar 03, 2014 5:59 pm Topics: 38
Age: 39 Location: São Paulo Gender: National Flag:
Post your doubts on forum because it can help another user too. Just PM me for support if it's absolutely necessary.
Post Number:#5
Thu Mar 12, 2015 3:22 pm
Thu Mar 12, 2015 3:22 pm
Posts: 13
Topics: 3 Solve rating: 0 Joined: Mon Mar 09, 2015 4:56 pm Topics: 3
Age: 40 Gender: National Flag:
Yes I changed that. The only one I didn't was the reference to line 843(https://github.com/FernandoGarcia/Fedui ... a.ino#L843) there is not a line 843.
Last edited by John Pond on Thu Mar 12, 2015 3:26 pm, edited 1 time in total.
Post Number:#6
Thu Mar 12, 2015 3:26 pm
Thu Mar 12, 2015 3:26 pm
Posts: 1699
Topics: 38 Images: 301 Solve rating: 233 Joined: Mon Mar 03, 2014 5:59 pm Topics: 38
Age: 39 Location: São Paulo Gender: National Flag:
Post your doubts on forum because it can help another user too. Just PM me for support if it's absolutely necessary.
Post Number:#7
Thu Mar 12, 2015 3:32 pm
Thu Mar 12, 2015 3:32 pm
Posts: 13
Topics: 3 Solve rating: 0 Joined: Mon Mar 09, 2015 4:56 pm Topics: 3
Age: 40 Gender: National Flag:
OK, I had it all correct then. This is the 8 relay I already have.
http://www.dx.com/p/8-channel-relay-mod ... QHa3HMQHqA
Both the 8 relay and the 16 relay board are ac 250v 10a/dc 30v 10a.
http://www.dx.com/p/8-channel-relay-mod ... QHa3HMQHqA
Both the 8 relay and the 16 relay board are ac 250v 10a/dc 30v 10a.
Post Number:#8
Thu Mar 12, 2015 5:16 pm
Thu Mar 12, 2015 5:16 pm
Posts: 13
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What is the reason for having the return pump ran through a relay? I dont see anywhere in the GUI to turn the pump on or off.
Post Number:#9
Thu Mar 12, 2015 5:32 pm
Thu Mar 12, 2015 5:32 pm
Posts: 1699
Topics: 38 Images: 301 Solve rating: 233 Joined: Mon Mar 03, 2014 5:59 pm Topics: 38
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The pump can be connected to a timer or adding some lines of code turn off it during a partial water change by example.
Post your doubts on forum because it can help another user too. Just PM me for support if it's absolutely necessary.
Post Number:#10
Thu Mar 12, 2015 5:55 pm
Thu Mar 12, 2015 5:55 pm
Posts: 13
Topics: 3 Solve rating: 0 Joined: Mon Mar 09, 2015 4:56 pm Topics: 3
Age: 40 Gender: National Flag:
I'm sorry for all the questions. I understand everything else but the relay board. I overthink things sometimes.
Post Number:#11
Fri Mar 13, 2015 10:39 am
Fri Mar 13, 2015 10:39 am
Posts: 1699
Topics: 38 Images: 301 Solve rating: 233 Joined: Mon Mar 03, 2014 5:59 pm Topics: 38
Age: 39 Location: São Paulo Gender: National Flag:
Hi!
If all doubts were answered please mark this topic as solved.
Best regards.
If all doubts were answered please mark this topic as solved.
Best regards.
Post your doubts on forum because it can help another user too. Just PM me for support if it's absolutely necessary.
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