![]() NOTE: there are many microcontrollers, such as the Circuit Playground Express we’ll use in the Blue Unit, that have sufficient digital IO pins and can run the Python code we’ll use in this concluding chapter. Now, let’s rewire them to add digital communication using an application to build a programmable circuit, adding still another layer of complexity into the system. ![]() Physical motion of the switches is used to communicate choices to other parts of the circuit. So far, your LEDs and mechanical switches have functioned together directly as part of isolated circuits coming together as a larger circuit on the breadboard. ![]() 4D: Coding Electronics As a final exploration for this unit, we’ll bring the hardware together with software, implementing Python code to turn the LED lights on or off. ![]()
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