Thank you. It was really because of pull-up resistors. Now, it wakes up and stays waked up even pin 2 is not grounded. Does it mean, that it can be put into sleep just once or I have some other mistake in the code? Do you know how to solve this?
Thank you. It was really because of pull-up resistors. Now, it wakes up and stays waked up even pin 2 is not grounded. Does it mean, that it can be put into sleep just once or I have some other mistake in the code? Do you know how to solve this?