Sump pump water level: The hardware

The second part of this tutorial about the software can be found here: http://www.instructables.com/id/Sump-pump-water-level-The-software/ What you need: * 2  X pieces of wood 4X6. 1/4” and the other 1/2” thick * 1 X 3 inches pipe. length varies depending of the deep of your pit. * A couple of screw * 1 X 1k resistor …

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