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We have been using X’bee pro S2 module for last 5-6 years, now it’s not available, instead we have to use its replacement X’bee S2C. Our existing embedded S/W has stopped recognizing ‘End device’ which we configure using X-ctu software from PC as end device & co-ordinator which is successful...
We have developed a customize board for GSM module using SIM800 IC. When the board was tested with the sim card of Reliance company then it was not detected but when I used the sim card of Idea company then it gets detected and all the AT commands runs using the module. Why only idea company SIM...
I am working on GSM SIM900 module the previous version of PCB for GSM works and IC generate 3.3V at SIM VDD pin, but in the new version of PCB GSM IC doesn't generate 3.3V for the SIM card (at pin SIM VDD). And the AT commands doesn't work on new PCB. What could be reason for this?
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