Videos: Digital and Analog Input and Output

Originally written on July 7, 2014 by Tom Igoe
Last modified on January 9, 2018 by Tom Igoe

ITP Videos by Jeff Feddersen on Vimeo.
Watching time for videos on this page: 82:43

 

Digital input with internal pull-up resistors:

Pseudo-analog output:

Multiple Inputs or Outputs

Jeff explains how a multiplexer allows you to connect multiple analog or digital input circuits to a single microcontroller input.

Jeff and Tom explain how to use shift registers to control multiple digital outputs.

Jeff shows you how to control multiple LEDs on a 7-segment numerical LED display using a Binary Coded Decimal (BCD) controller

Control of an LED matrix using row-column scanning