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Step 7Connect arduino to relay circuit
Plug the ribbon cable into the 6 pin header on the relay circuit, making sure to line up the power line to pin 1. Pin 1 will always line up to one of the wires on the edge of the ribbon and hopefully the colored one if you have it. Use a multimeter to make sure the cable is wired correctly.
Plug the power cord and ethernet cable into the arduino. Use a web browser to test as described in step 2. If everything is connected properly you will hear the relays click as you turn them on and off.
If you can make all four relays click on and off, it's time to move onto the next step, finishing up the control circuit by wiring up the 120 volt portion.
Plug the power cord and ethernet cable into the arduino. Use a web browser to test as described in step 2. If everything is connected properly you will hear the relays click as you turn them on and off.
If you can make all four relays click on and off, it's time to move onto the next step, finishing up the control circuit by wiring up the 120 volt portion.
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