arunbharathi.arasu
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hai friends,
I met a problem while connecting ARM with SIM900.
Max output of ARM is 3.3 v.
But input of SIM 900 is 5v.
now i have to connect Arm Tx pin in to Sim900 Rx. vice versa.
but 3.3 volt is not compatible for sim900.
now how can i convert 3.3 volt in to 5 volt,And 5v in to 3.3 volt.
Any on help me.....
I met a problem while connecting ARM with SIM900.
Max output of ARM is 3.3 v.
But input of SIM 900 is 5v.
now i have to connect Arm Tx pin in to Sim900 Rx. vice versa.
but 3.3 volt is not compatible for sim900.
now how can i convert 3.3 volt in to 5 volt,And 5v in to 3.3 volt.
Any on help me.....