mina_a
Newbie level 4
hi friends;
I want to interface SIM900 module with stm32 micro controller using USART interface. Is it possible to connect rx and tx pins directly, or should i use a voltage level converter circuit?
thanks for your help.
I want to interface SIM900 module with stm32 micro controller using USART interface. Is it possible to connect rx and tx pins directly, or should i use a voltage level converter circuit?
thanks for your help.