USB powering adapter for smart irrigation system
Description
If you are tyred to replace batteries to your irrigation system I disigned this usb adapter for smart irrigation if you have near by a power plug, or you can use solar panels to supply the irrigation. materials: the adapter to printed a step-down converter like LM2596S module metal foil for contacts cut an old usb cable optional: i used a rubber gasket taken from a deutch connector but maybe you can use a 4mm rubber band
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