Pins tutorial - digital output

[ganicke]

The next installment of the pins tutorial: Digital Output

• [x] Contains sections:

• On and off signaling

• Pulses and triggers

• Digital data

• [x] Added the pencil resistor for LED experiments.

RE #668

[pelikhan]

Is this course on the landing page? @ganicke

[ganicke]

Not yet. It's kinda in-progress still.