PIC16F73 based 50A PWM 12v-24v-48v auto solar charge controller with HEX and PCB

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kg300

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Pic16F73 50A PWM solar charge controller
12V,24V and 48V auto battery detect (connect battery first and then solar)
conman anode seven segment display (display bat-V, Chg-Amp, and overload )
short circuit and overload detection
optional relay output for external battery charger (when solar not available or not provide sufficient currant to battery external charger connect through relay, auto detect)

I design direct PCB not a Schematic so don't ask me for schematic....
 

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  • Display board_mask.pdf
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  • Display board_silk.pdf
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  • Display board_silk_mirror.pdf
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  • Display board_Tracks.pdf
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  • main board_mask.pdf
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  • main board_silk.pdf
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  • main board_Tracks.pdf
    23.7 KB · Views: 561
  • F73-12-24-48V.rar
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Last edited:
I am building your charge controller but what is the resistance of the shunt and what is the unmarked component that is on the BAT+ pad

Thanks
 

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