Hi every body, I have an Arduino Uno, SIM900 and NEO-6M, I wrote a program which send GPS data to my web server via the GPRS, it works fine. Now, I want to set a value to a variable 'OverSpeed' to send sms in real time when the speed reach it, this is possible for a defined value. (exp: float Over…

How to update a variable in my program over the air ?

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