Trying to conect pcf8575 to control pumps, tpa, auto refil, skimmer pump, sump pump etc
I wire like this....
viewtopic.php?f=24&t=259#
after that i conect the out pin in the relay board
but the pumps stay on.. all the time
Return to DIY Ferduino controller
Users viewing this topic: No registered users and 1 guest