Data Sheet

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51. Query/Set PIO1 output status (System LED)
Send
Receive
Parameter
AT+PIO1?
OK+Get:[para]
para: 0, 1
0: Unconnected Output
500ms High 500ms
Low,Connected output
High.
1: Unconnected output Low,
Connected output High.
Default: 0
AT+ PIO1[para]
OK+Set:[para]
Need to re-power module.
52. Query/Set PIO pins output high or low (Only this time, when module next
power on, this value is not be used)
Send
Receive
Parameter
AT+PIO[para1]?
OK+PIO[para1]:[para2]
para1: 2~B
para2: 0, 1
HM-11 only has 4 pins.
para1 is which PIO
pin you want to Query/Set
Value: 2~B.
para2 is Query/Set
value.
0 is low and 1 is high
AT+PIO[para1][para2]
OK+PIO[para1]:[para2]
e.g.
Query PIO2
Send: AT+PIO2?
Set PIO2 output high level