Refrigerator working principle circuit indicator

Posted on Mar 28, 2007

The installation of an electrical outlet in the refrigerator work light, not only to facilitate the observation of the refrigerator stops, but also increase the beauty of the socket. Circuit is shown.

Refrigerator working principle circuit indicator
Click here to download the full size of the above Circuit.

The use of the current transformer secondary induced current to light emitting diodes. Current transformer can be looking for a slightly larger transistor radio input or output transformer, according to the data shown restructuring. Note that the insulation between the windings. Limiting resistor R can be selected between a few ohms to tens of ohms.

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