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Setting up sim800 with stm32f103c8

Question asked by salar s on Mar 20, 2018
Latest reply on Mar 21, 2018 by Mrunal Ahirrao

hi i'm trying to set up a gsm sim800 module with stm32f103c8 .i want to switch a led on and off with sms . i used stm32cubemx for usart settings and i generated a code for that.. now i want to recieve sms with at commands but i don't know how to write the code .in at command help file it is only wrote the rules .and i have seen some educational videos about at commands but they are all using usb to serial connection and are operating at commands by pc so they are not helpfull for me i attached the code below can anyone help me ?

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