HM10 Bluetooth Module Datasheet

HM Bluetooth module datasheet
-------------------------------------------------------Last Version V507 2013-08-23
１９
14. Query/Set PIO1 output status (System LED)
Send Receive Parameter
AT+PIO1? OK+Get:[para1]
AT+ PIO1 [para1] OK+Set:[para1]
Para1: 0, 1
0:Unconnected Output
500ms High 500ms Low,
Connected output High.
1:Unconnected output
Low, Connected output
High.
Default: 0
15. 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]
AT+PIO[para1][para2] OK+PIO:[para1][para2]
Para1: 2~B
Para2: 0, 1
HM-11 only have 4 pins.
Para1 is which PIO pin
you want to Query/Set
Value:
2,3,4,5,6,7,8,9,A,B.
Para2 is Query or setup
value.
0 is low and 1 is high
e.g.
Query PIO2
Send: AT+PIO2?
Setup PIO2 output high
Send: AT+PIO21
Receive: OK+PIO21