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5.6.3 The module is being configured
Only when resetting and exiting sleep mode
6 Operating mode
The module has 4 working modes, which are set by pins M0 and M1; the details are shown in the following table:
Mode (0-3)
0 Transmission
mode
1 RSSI mode
2 Ranging mode
3 Configuration
mode
4 Low power
consumption
6.1 Mode switch
Users can combine high and low levels of M1M0 to determine the working mode of the module. You can use the GPIO of the
MCU to control the mode switching; after changing M1M0: if the module is idle (AUX high), it can start working in the new
mode; if the module has serial port data that has not been wirelessly transmitted, after the transmission is completed , Can enter
the new working mode; if the module receives the wireless data and sends out data through the serial port, it needs to be sent to
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Mode introduction
M2
M1
M0
Serial port open,
wireless open,
1
0
0
continuous transparent
Serial port open,
1
0
1
wireless open, RSSI
function open
Serial port open,
wireless open, ranging
1
1
0
function open
Serial port open,
1
1
1
wireless close, used for
parameter configuration
consumption mode, the
0
x
x
power consumption is
Airspeed supports manual configuration and self-adaptive
automatic adjustment with the baud rate; the baud rate of
both parties in the continuous transmission mode must be
transmission
The module outputs RSSI intensity value every 100ms
Ranging supports high-precision and long-distance modes.
In the high-precision mode, the host module outputs the
ranging result value every 1.5s or so. In the long-distance
mode, the host module outputs the ranging result value
Low power
When M2 is set high, it is in normal working condition
When M2 is set low, it is in low power consumption.
the lowest
E280-2G4T12S User Manual
Remark
the same
serial port
every 2s or so.
Baud rate is fixed 9600 8N1
11
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