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How can I make a usb mobile phone charger ?

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makri

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usb mobile phone charger

How can I make a usb mobile phone charger!!

pl help
 

Re: usb mobile phone charger

Very simply you could just use a Zener diode resistor arrangement.

You can sink upto 500mA from USB port.

So get a zener for the voltage needed to charge the phone.

Set up as follows VCC--Resistor---Zener---Ground.

May work

Only took 2seconds to dream up :angel:
 

Re: usb mobile phone charger

It is easy,give you a sample:
**broken link removed**
 

Re: usb mobile phone charger

iwf said:
It is easy,give you a sample:
Click to expand...

Well this would not work I don't think !!

Mobile phones contain their own charging circuit don't they

So all that is needed is the correct voltage supply the phone will do the rest
 

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