Re: Inputs left floating at the very start



Tomás Ó hÉilidhe wrote:

I have the PIC16F684. One of its inputs goes to the data input of a
shift register, and the other goes to the clock input of the same
shift register.

Inputs connected to inputs are, somewhat obviously, a bad idea. Avoiding such situations is one of the things pull-up/-down resistors are for.
.