Comment on Show HN: Watering my Christmas tree with ESPHomeparentComments−invalidator2ySomething like this: https://www.amazon.com/dp/B007CZ6PD2I just noticed that you're using a mains-powered pump, so don't splice its wires directly. Instead, insert the float switch on one of the wires between the QT Py and the relay.
Comments
Something like this: https://www.amazon.com/dp/B007CZ6PD2
I just noticed that you're using a mains-powered pump, so don't splice its wires directly. Instead, insert the float switch on one of the wires between the QT Py and the relay.