Designing a Spinning/Rotating LED Display In this project, we are going to show you how to make a simple “Rotating LED Display”  (also popularly known as Spinning LED Display) with Arduino. The motivation to make this project came to my mind when I saw a product in the market, in which a text message was clearly visible on a “Rotating LED Strip”. After that, I planned to make this project myself and Arduino is a good choice to build this spinning led display. For this project, I designed PCB using Eagle CAD software. The reason to choose Eagle was to build a lightweight PCB, as there is high speed rotation involved in the project, and the PCB will be a part of the rotating module. In this circuit, “Arduino pro mini” is used because it is very small and powerful board. Seven LED’s, a pair of IR LED and a…

In this chapter, we deal with Operational Amplifiers (Op Amps) in Proteus. The previous chapter was about Transistor Circuits in Proteus. So let’s begin to learn about Operational Amplifiers…

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