Let's Make Robots!

wireless charger

I have a question its not related to robotics but it is related to electronics

so I am trying to make or find a circuit for a wireless charger but thing is it is needed for low voltage like 5v

and should output 500mA. All the ones i have seen need a AC input but I need a DC input and DC output possible or not.

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So i have to convert dc to ac again to dc.

Do you know of any simple circuit for this which is also small .

Also could you tell me if I could input about 2 volts and get 5 volts and 500mA.

 

cool thanks any other help please