[Electronics] Homemade minecraft galaxy mod advanced solar physical model

This is a solar charging treasure for holiday.
The shape is modeled after the advanced solar energy in the minecraft game galaxy module.
The original shape is to make a solar generator in an industrial module, almost like this:

      I want to make the outer casing small, but the solar panel is too small and the power is not going up.
I also considered that four small solar panels were folded into the outer casing and opened again when the sun was shining, but the power was still too small and it was more troublesome to make it.
So decided to still be a solar generator in the galaxy module.

    First come to the full picture
 

This is a lithium battery charging board plus protection board, step down to 4.2v

The other one is the charging treasure module with display. When the solar charging, the load is disconnected, so a switch is added.

Connected in parallel with 4 sections of 18500, with a total capacity of 5600mah, charge test

     Data for this monocrystalline solar panel
     I am afraid that it is not clear after uploading
     Hand hit, single crystal, working voltage 6v, working current 750ma, maximum output power 4.50w, open circuit voltage 7.3v, short circuit current 836ma, size 165*165*3mm

Find a broken compass

Usb interface, solar cells can be separated from the main body.

The circuit part is just like this. Originally, the Schottky diode anti-backlash was purchased. However, after testing, the buck module comes with anti-backlash.

3mm light wooden board

Hot melt glue is good, it is stuffed in.

The amount is painted with Tushan Susu.

The magic of card stickers, haha

I am sorry to be rough.

Efficiency is still not measured, after all, it is solar energy. The main thing to do is to restore the game, put it on the table to decorate, and spend the boring holiday time.

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