Electronic simple Project - Solar Tracker
Solar Tracker
A solar tracker is a device for orienting a day-lighting reflector,
solar photovoltaic panel or concentrating solar reflector or lens toward
the sun. The sun's position in the sky varies both with the seasons and
time of day as the sun moves across the sky. Solar powered equipment
works best when pointed at or near the sun, so a solar tracker can
increase the effectiveness of such equipment over any fixed position, at
the cost of additional system complexity.
The hardware design is complete made from stuff that are available in
any junkyard. Servo motor is taken from car door mirror system (also
called Power windows system) and gear system is made from motorcycle
chain small sprocket to rotate panel and a small cam-wood at servo side.
You can see more images of gear system here. (Solar Tracker Gear System)
This
solar tracker is build on a simple logic ICs, servo controller, Pulse
Width Modulator and LDRs. Circuit is powered from a 12V battery. The two
solar panels 15VAH each is connected to power up three 3W LEDs (switch
controlled) and also charge a 12v 7AH battery. L298 and SG3525 are used
to control servo motors and LDRs are used to detect the position of
light source (sun).
All necessary files are given to this link :
enjoy it.
post by ... Pratik Gohel... :))
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