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4. Recommended connection diagram
Note: The sensor refers to connecting an external device to a pin with an input function, the peripheral device refers to
connecting an external device to a pin with an output function, and the MODE and WAKEUP / SLEEP pins refer to The
two control pins are connected to the corresponding level state. If the module needs to be woken up, the WAKEUP /
SLEEP (DIO_12) pin should be connected to a low level, or a falling edge signal should be given to the pin in time. If
you need to switch between AT configuration mode and transparent transmission mode, you need to give the
corresponding edge of the MODE (DIO_13) pin.
5. Function description
5.1 Power mode
5.1.0 Low power consumption mode
Power mode refers to the different operations of WAKEUP / SLEEP (DIO_12). The working state (power consumption)
of the module will change differently. The rising edge enters low power consumption mode, and the falling edge enters
wake mode.
About the WAKEUP / SLEEP (DIO_12) pin operation description here: 1), the pin detects the edge signal; 2), the pin has
