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Interface PIC with Nokia FBUS

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rmitoday

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nokia fbus interface

Hello everybody. I would like to interface PIC with a Nokia mobile via FBUS to send and receive SMS. I have collected two schematics.
877_FBUS2.jpg

877_FBUS.jpg

Which one do you recommend? Is there any enhancement need to make?
Thank you.[/img]
 

3310 fbus interface schematic

hi where is the circuit
 

pic to fbus circuit

Both of them are the same.
 

nokia fbus interfacing

hey the circuit need not b that much complex u dont wory abt the tx pin of the phone.
u just have a resistor and diode(remeber 2V7) for the rx of mobile .that will work
 

fbus interface schematic

Hi.
Have you been able to write an ASM code for communication with the mc?

Regards
 

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