AVR-Chat

On 9 Dec 2007 at 15:01, Musab Fakrhi wrote:

> Hi
> 
> The query is about RFID , I have RFID tag ( Transponder) Clamshell as
> 125Khz ,so:
> 
> 1.chip number U2270B or H4102 could comply with this kind of RFID tag ?
> 2.if yes, how can I connect this chip ( IC ) with micro controller AVR
> ? by UART ,maybe?
> 3.what is difference between ISO 14443 and Wiegand protocol?
> 
> appreciate your urgent help.....
> 

	'Urgent' is a magic word.
	When it is heard, the cost rises by a factor of ten or more ...

	MJ