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Pins
Input pin; short press for control, or input a low-level single pulse of
about 1000ms, you can implement the following features:
(1) In sleep state:
The module will be woken up to normal status. If AT+NOTI is turned on,
the serial port will receive
BRK
OK+WAKE
(2) In connected state:
The module will initiate a disconnect request
(3) In standby state:
The module will return to the factory default state.
RXD
Serial data input
TXD
Serial data output
GND
ground
VCC
Power positive input 5V
Output pin
Indicates the working states:
Slow flash in standby mode - repeat 500ms pulse;
STATE
Long bright in connection state - high level.
You can also set it to no flashing in the standby state, and long bright in
the connection state.
Description
3
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