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To buy phone number sms a prepaid SIM card, you need to formally show your ID or passport and should be registered first, earlier than the SIM card will be activated. But in apply, this was not strictly enforced before 2016. Then the government shut down 12 million falsely registered SIM playing cards. The foundations are now far more strictly utilized, that you should convey your passport and register to activate your SIM card in an official outlet of the provider. Small unbiased corner outlets cannot activate it for you and they might sell a SIM card on anyone else’s id to you. Generally this may be laborious to inform, however you can examine it (see under).

So it is a self-explanatory circuit diagram. You just have to connect the RX pin of gsm module with the TX/RC6 pin of PIC18F452 and TX pin of SIM900A with RX/RC7 pin of PIC microcontroller which is apparent that receiver of one is a transmitter of different and vice versa. However make sure that to attach the ability supply with gsm module which might provide peak current of 2A as a result of while sending and receiving SMS, it should take current within the order of two amperes.Interfacing with Other Pic Microcontrollers

Download what you want in advance

Apps like Google Maps or Google Translate will allow you to download information in your device that you should use offline. Now with Google Maps, it’s possible you’ll not be capable to get flip-by-flip instructions, but you should have the maps to see the place you’re going.