4 Replies Latest reply on Apr 23, 2016 11:21 PM by Lane_Lee

    How much is Edison's TTL level? And for Arduino and Mini breakout.

    Lane_Lee

      1. Recently, I want to use Edison (mini breakout)  to read serial data from STM32 (3V3 ttl level), can I directly connect the TX and RX from STM32 to my Edison?

       

      2. Furthermore, I have tried to directy connect the STM32 to Edison for Arduino expansion, but i cannot received  any data. I think the parameter was correct,   Band rate was 115200. Here is my connection:

       

       

      STM32    RX<--------->TX      Edison for Arduino      

                    TX<---------->RX  

       

      3. So I guess maybe that's related to TTL level.

       

      Pls help,

       

      Many thanks.