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Overview This Sun Tracker project was created in order to help people overcome the Seasonal Affective Disorder (SAD) by reflecting the sunlight into the house and keeping the reflection all day long. Details The design of the Sun Tracker includes an LCD screen on controller while being operated with HF remote control. The system is also known as Heliostat which can be used to keep a reflection position or face the sun while being protected with end switch and motor check. The installation can be done as standalone or without PC as it uses cheap and robust motors originally for dishes and consumes little energy. Using the HF remote control provides several possibilities such as going to sleep position, selecting 3 reflection points via rotor adjustment, moving to a reflection point, and reflecting the sun back and adjusting the shadow to calibrate the sun position. The time is set to a timer chip by a DCF77 receiver and the position of the sun is calculated by the PIC18F2520 processor. Every 20 seconds, the reflection position is calculated and the mirrors are adjusted. C language is used to write the software that includes 17 sub programs. Rest of the project
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