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by Ada Protosmith (Author)
Today's world is built off basic technology. Switches, resisters, circuits, and boards allow electrical current to travel to specific places within a device resulting in specific actions taking place. An example of this would be a light switch. When we flip a light switch in either direction, we will either turn on the light or turn it off. Understanding why this occurs and what can be done with this simple technology is the basis for tools like the Arduino.
What Is an Arduino? An Arduino is a low-cost open-source microcontroller board which is programmed using the Arduino IDE. It is basically a microprocessor with I/O pins that allows you to control external devices and sensors. You can use it to create anything from a simple robot to a complex video game. The Arduino is designed to be used with other electronic components such as resistors, capacitors, transistors, LEDs, push buttons, and relays. The Arduino can also be used with temperature sensors, accelerometers, GPS modules, etc.
