[SOLVED] SIM interfacing with SIM900D.

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Problem solved..With the replacement of the capacitor with SIM_VDD line i got the SIM detected...

---------- Post added at 06:19 ---------- Previous post was at 06:18 ----------

Maybe the previous capacitor i was using was damaged...
 

very good and keep it up.. you have done it yourself....

can you post the complete circuit you used so that others will get help..........

and mark the thread as solved / closed .....
 

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