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The fountain pump is plogged into s NEMA receptace in a box with a relay inside. This is contained in a weatherproof plastic box which also contains the receiver/controller, which has its own enclosure. There is also a rotary switch with 3 positions: OFF Remote Control, ON. |
This shows the receiver/controller circuit board exposed by removing its lid:
| Here is the box circuit diagram..
| Here is the receiver circuit diagram.
Here is the program code.
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