bool TinyGsmSim800::sleepEnable(bool enable = true)
During sleep, the SIM800 module has its serial communication disabled. In order to reestablish communication
pull the DRT-pin of the SIM800 module LOW for at least 50ms. Then use this function to disable sleep mode.
The DTR-pin can then be released again.
Файл: TinyGsmClientSIM800.h