How to use the Arduino Map Command to create a Bargraph
In this video we use the Arduino’s MAP command to proportionally fit the analog voltage input of the potentiometer to the digital output of our LED bar graph.
-~-~~-~~~-~~-~-
Please watch: “ESP8266 and Arduino–How much power do they need”
-~-~~-~~~-~~-~-
Post time: Jun-14-2017