Reef Pi troubleshooting

[NewbyREEF]

How are you powering the relay board?

 

[Iranian45]

How are you powering the relay board?

through the raspberry pi

 

[NewbyREEF]

through the raspberry pi

I run mine with separate 5v to the relays

 

[Bigtrout]

through the raspberry pi

Powering the whole relay board thru the raspberry pi is a stretch...all relays activated on a 5v 8 channel board is .6 amps. Better to power it on its own.

 

[NewbyREEF]

Powering the whole relay board thru the raspberry pi is a stretch...all relays activated on a 5v 8 channel board is .6 amps. Better to power it on its own.

That's what I'm doing separate power for relay

 

[jhoop]

When trying to calibrate the PH probe. Some of the fields are blanked out. Is this a problem ? Or is it my build ? Low and High.......? No drop down.

 

[Ranjib]

When trying to calibrate the PH probe. Some of the fields are blanked out. Is this a problem ? Or is it my build ? Low and High.......? No drop down.

I think you have to run it in that order ...but let me check , the ui has been updated recently

 

[jhoop]

Thanks Ranjib !

 

[Michael Lane]

ph calibration has to be run in order. That was a requirement for the Atlas scientific pH board. Once you run for ph 7, then the next field is available.

 

[Bigtrout]

Makes sense, because in my reading, the calibration at 7 gives you the offset from zero, then the calibration at 4 give you the slope at low ph(4 to 7) and then the calibration at 10 give you a slope at high ph(7 to 10)

 

[jhoop]

I deleted the PH probe and re entered it. I was able to calibrate the probe with all three values.

Thank You !

This is sure a fun project to do !!!!!!!!!