A clean approach to attach the Display to Arduino NANO:
All the components in place. SD Card adapter also is connected to the Arduino.
Reading the analog input A0:
Plotting the analog channel A0 using vertical lines:
A small video to show the wiring while enjoying a Tchaikovsky’s Waltz:
Testing my small library. 5×7 font in different sizes.
Testing drawRect() and fillRect() of the small library:
Using the small library to show A0 value and his histogram:
… this post is in progress… some code and examples…