As the next step in the Traffic Light project, I transferred the circuit from a breadboard, to an expansion prototype board for Arduino UNO. In order to do this, I took all the elements from the previous project, and designed a wiring diagram, and soldered the parts on to the PCB. As a result, the red, green, and yellow channels were connected to the same pins as in the previous part of this project. This meant that I didn’t have to change any code in my program, which was already loaded on to the controller. This made the project accessible to plug and play.
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