The bar graphs in particular look fantastic, with silky-smooth animations. Posted in LED Hacks Tagged 16x2 , animation , arduino , display , oled , rom , US2066 Post navigation ...

Building A Bigger Bar Graph. 5 Comments . by: Mike Szczys. May 10, 2012. Title: Copy. Short Link: ... From there just use any controller you wish, but in this case it’s an Arduino.

The use of this book as a jumping off point could have used a little help. For example, the LED bar graph uses 10 pins on the Arduino, which is great for an introductory example.

Each Bar absorbs approximately 60-65mA at 12V. Here three such LED light bars (one Red, one Green and one blue) are used to complete the circuit. Use a standard 9V battery to power the arduino board, ...