In this second article we will see a practical application of the daisy-chained shift registers. We want to use four 7-Segments LEDs controlled by the Arduino board. As you can imagine, that is ...

This is the second part of the “PONF” series. For those that are not familiar, I am the CTO on the PONF (Photography On Film) Project. This project is the first dual back camera: digital and analog.

As we discussed in my previous column, until a few weeks ago, the Arduino Uno microcontroller development board we’ve all grown to know and love was the R3 (“Revision 3”). This little rascal is ...