- Bluetooth. MLT-BT05 (, ), - , , - AT- , . UART . : , . . Bluetooth , , Low Energy, , low energy. -- " 50 ". , .
. , 8,5-8,7 , , , , ( , ), .. AT+SLEEP, -- , 2-3 . , -- - , . , " ". -- "" , ?
10 . , 1 10 .
, . 8,5 , , . . 20 /.
, . 100 , -- 106 , , , . .
.
Peripherial (AT+ROLE0), , "", , . Central (AT+ROLE1), . , . -- , . , . , , AT-.
, Bluetooth, , Bluetooth LE 20 . , LE- , .
, ? . , -- , . - , , . , :
7,8 2 ;
-- 12,9 4,2 .
:
I = 7,8 * 2 / 100 = 0,156 ;
-- I = 12,9 * 4,2 / 106 = 0,511 .
AT+ROLE0 , 0,667 .
, :
: 8,5..8,7
:
: 156
: 667 .
The current consumption cannot be lowered below 156 ΞΌA by any settings, and this current is clearly too high to be consumed from the battery of a "turned off" device, so if the power off in your design is done by putting the MK into STANDBY mode, you will have to take care of the module with a personal key to turn it off. However, with a current consumption of no more than 10 mA, you can power the module directly from the MK port without using additional keys.