Arm Mbed and Pelion Device Management support forum

X-NUCLEO-OUT01A1 How control each channel separately

I used X-NUCLEO-OUT01A1 library and it’s example, I set channel 1 to ON then when i set channel 2 to ON channel 1 turn OFF, i want to know is there any way to keep each channel ON or set a channel ON/OFF with out it turning other channel off. there is a function that set all channel ON/OFF but how can i control each channel separately.