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How to make a solar tracker (tracking system for the sun)?

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good afternoon the inhabitants of our site and beginners!
Already long ago I soldered and assembled myself a 300W solar battery and installed it permanently. The battery does not work at full capacity all daylight hours. So he set out to make a system for tracking the sun (solar tracker). I saw sets of trackers on Aliexpress, but they are expensive.

Maybe someone has real experience in the independent manufacture of such systems? Or knows an expensive way to create. I would be grateful for your help.
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SOLARSAN-GPS V17 (WiFi MQTT)
Sun tracking system based on data calculation,
received from the GPS receiver. This system consists of
base module SOLARSAN-GPS which can work
independently and SOLARSAN-SLAVE working only

as an actuator. Using SOLARSAN-
GPS can target solar concentrators,

collectors or panels at right angles to the solar
the light. Managed by actuators
or rotary drives in two planes and has
accuracy is one degree. The module has an input for connecting
"Anemometer" for protection from strong winds, input of the "sensor
hail and snow ”and the input of the“ photo sensor ”for sleep mode when
low solar activity. Built-in WiFi module
Allows you to configure the tracker via the WEB page on a local network or through an access point.
Built-in MQTT broker allows you to manage and receive data via the Internet worldwide.
Power supply from 12V to 30V (and HV version with power from 12V to 55V). Current protection. Short protection
short circuits. Built-in radio modem 433.92 (315.00) MHz with a power of 100 mW for data transmission in a radius
up to 100 meters to SOLARSAN-SLAVE modules. It works both in one and in two axes. IP66 housing allows
install a solar tracker in the open.
+1
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Hey. I did it myself. On the LM 339 N chip, the housing is ready .. for two 12-volt batteries. I will find the circuit later.




4 transistors and 4 photodiodes.
0
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Imagine that a cloud, such a lonely one, creeps into the sun, so it will unfold behind this sad cloud. And from the moon of light there will be little, even from the full.
0
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where will it unfold it?)) With cloudy weather, the light is distributed evenly, what's the point of tracking it at all?

And if it unfolds, then this is her business, but we will need to get the maximum amount of light and the system will look for it. A resistor hopping you can, at such a thing, well, 4 yes, it will be just right).

An interesting thought came. I imagined that the car was driving at night with headlights and shining on the house, the panel immediately once on the car, Anuka, come here: wink:
And it will respond to the moon)) Interestingly, from the light of the moon will currents form? Must in theory.
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Dmitrij It's certainly simple, but the slightest cloud will unfold your design. And she will twitch quite sharply. Therefore, it is necessary to put not 2 or 4 photodiodes or photoresistors, but 4 sections of 5-6 pieces, so that all this canoe works from a certain threshold for reducing current. And not just turned on / off. Something like this.
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so given the month))
Author 0
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Your idea has the right to life, I’ll make a note for myself.
+1
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The disadvantage is that you cannot adjust it vertically, even manually. The seasonal displacement of the sun, however.
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and what to do there, we take the scheme from here

That is, the circuit we have on photoresistors. They will pick up the light and then transmit the signal to the electronics.

As for the "physical" part, you need to make a movable platform, you will need an engine and gearbox. Another motor and gearbox is needed to change the angle of the panel itself vertically (up / down). Well, somehow I think so :)

Alternatively, you can still Arduino to request cleanly on time.
Author 0
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An interesting and fairly simple idea.
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if you put the electronics easier, for example on photodiodes, then it’s quite possible. Or are drilling and grinding jobs complicated?

I found a fairly simple option, everything is clear and understandable.
Author 0
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Yes, a confused version. I think that few people can reproduce in the same way.
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I found it.
electronic dodger too much, but can be simplified. I laid out a penny scheme. People on it collected tracking the sun for an ammonia freezer
Author +1
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On the Arduino - it is wonderful. Look for this article - I think that many will come in handy. Yes, and I’ll definitely take care of the tracker.
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Hello. On Instructables I saw a tracker that was made of wood. If you want, I can search it again. Managed like Ardunio. Then it seemed hard to translate, but now, as part of the special assignment, you can search.

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