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Srinivas
 Post subject: Difference between RFID Reader TTL and RS-232
PostPosted: 18 Jun 2010, 17:31 
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Joined: 15 Jun 2010, 09:11
Posts: 3
I want to interface the RFID reader with a microcontroller for my project. I have seen two models of RFID Readers in website rhydoLABZ.com. What is the difference? Which will be suitable for my application? :cry:
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EverGreen
 Post subject: Re: Difference between RFID Reader TTL and RS-232
PostPosted: 19 Jun 2010, 16:24 
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Joined: 31 May 2010, 09:22
Posts: 12
The Serial-TTL version can be directly interfaced to the microcontrollers (5V) but needs an extra Max 232 circuit for interfacing with PC. The RS-232 version has the RS-232 Conversion circuit in-built and hence it can be DIRECTLY used for PC interface applications. You could use the Serial-TTL version for ur project.
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