Hello, I currently have an Arduino MKR1000. I also have an HC-05 Bluetooth module. I wired the two together, and the HC-05 is visible on my device. I was also able to pass this test that another "Youtuber" has made (I suggest you watch the video at 2x speed): [u] How to check Healthiness of HC-05 B…

Arduino MKR1000 Serial Ports

ieee488 April 5, 2018, 9:31pm 4

Don't know.

I am sure the problem is in your code whatever it is.