The output concists of two transistors in a push-pull configuration. When the pin is in output mode (controlled by the TRIS register) one or the other of these two transistors will be on. One...
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Re: 16f887 PIC output pin pull to ground
The output concists of two transistors in a push-pull configuration. When the pin is in output mode (controlled by the TRIS register) one or the other of these two transistors will be on. One...
Re: 16f887 PIC output pin pull to ground
Hi,
It sounds as if the two boards are missing a common ground.
The ground of the display board must be connected to ground of the PIC so that they share the same reference.
/Henrik.