Solar Automatic Tracking Controller

There are 2 kinds of solar automatic tracking controllers. One is Schmitt trigger light control composed of a light sensor and a Schmitt trigger or monostable trigger.

Solar Automatic Tracking Controller Circuit Diagram:

Solar Circuit Diagram

The second one is usingtwo light sensors and two comparators to form two light-control motors and controlforeward and reversing. As throughout the year, the strength of the sun in the morning and at noon changes in ambient light, and the range is enormous, the above two controllersare difficult to make large solar energy receiver track in the sun-weather season. The control circuit described here also includes two voltage comparators. Butthe input side of the light sensors is composed of two photosensitive resistors connected in series.
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