MySensors Hydroponics Greenhouse project
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Disconnecting the load eliminates the issue flat out.
I think your previous question just triggered a lightbulb. While the module does have optocouplers in place, I have the VCC bridging jumper in place. So essentially Arduino is still sharing the power with relay coils. I'll install a step-down to get a 5V line from the pump power supply and use that to drive the relays. I believe that should eliminate my reboot issues.
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A quick video update: https://youtu.be/vnUFV_amSPQ
The tomatos and peas are trying to go through the roof. Cucumbers are close to follow. They are all aiming for the ventilation hatches - I think they are planning a grand escape...The NFT system pump stopped working coupe weeks after setting it up. Have not gotten around to ordering a new pump. That will be a project for next year.
