![]() How to Use a Breadboard - Breadboards are great for prototyping, and we use them in this tutorial.Polarity - Shows why we need to put the LED in the circuit a certain way.What is a Circuit? - Talks about how electricity moves through a circuit.What is Electricity? - Covers the basics of how electricity works.Python (RPi.GPIO) API - Overview of the RPi.GPIO module, which we'll be using throughout this tutorial to control hardware.In this section, we'll start by blinking an LED, and we'll take it a step further by also responding to a push button. It proves that we can run code and control some hardware (with immediate, and often amusing, results). In a sense, it is the "Hello, World!" of embedded electronics. In the embedded world, the first thing many developers like to do is blink an LED. Share on Twitter Share on Facebook Pin It Experiment 1: Digital Input and Output ![]()
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