Problem in module Sim908 - doesnt work

vikasvns2004 · Aug 29, 2013

behnam9856 said:
allright, my problem was because of GND wire and noise on the circuit!

i designed another PCB with wide GND wire, alsi i used polygon under sim908 and around it...

i used LM75CV and a 1n4007 for power...

here's my pcb in altium designer 9.4

**broken link removed**

hope to help u...

P.S, try to use MAX3232 instead of MAX232 if u're using COM port.

Hi
Cann you please send me the schematic and layout considerations because i am facing same problem with my design.

dumitrudany · Dec 28, 2014

Please, can someone upload a schematic circuit?

Problem in module Sim908 - doesnt work

vikasvns2004

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dumitrudany

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Problem in module Sim908 - doesnt work

vikasvns2004

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dumitrudany

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