UART, Deepsleep, Wakeup



  • Hello,

    Is there a way theat i can get the gpy to wakeup, when he gets UART TX/RX signal?

    The goal is, when the SIM800L get a SMS. He will send over the UART some message to the UART. The the GPY have to wakup.

    Thanks for help.



  • @tschili Imho, if you trigger the wake-up just when the transmission starts, you'll have the issue that the GPY needs to little bit of time to wake-up and initialise, and you will most certainly lose and data received during that time.

    So you would need the SIM800L to wait until the GPY is ready to receive before it start sending the data, and some other way to wake up the GPY.


 

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