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Learning Javascript Robotics

Learning Javascript Robotics

By : Kassandra Perch
4.3 (6)
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Learning Javascript Robotics

Learning Javascript Robotics

4.3 (6)
By: Kassandra Perch

Overview of this book

There has been a rapid rise in the use of JavaScript in recent times in a variety of applications, and JavaScript robotics has seen a rise in popularity too. Johnny-Five is a framework that gives NodeBots a consistent API and platform across several hardware systems. This book walks you through basic robotics projects including the physical hardware builds and the JavaScript code for them. You'll delve into the concepts of Johnny-Five and JS robotics. You'll learn about various components such as Digital GPIO pins, PWM output pins, Sensors, servos, and motors to be used with Johnny-Five along with some advanced components such as I2C, and SPI. You will learn to connect your Johnny-Five robots to internet services and other NodeBots to form networks. By the end of this book, you will have explored the benefits of the Johnny-Five framework and the many devices it unlocks.
Table of Contents (11 chapters)
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10
Index

What you'll need for this chapter


For the project in this chapter, you'll need your board, a USB cable, and a few inputs and sensors.

First, you'll want a button. You can find these aplenty in most starter kits, but you can also buy them separately. We're going to consider a button with a four-prong design, as shown in the following screenshot:

A common push button for robotics projects

However, a design with two prongs is fine too—four-prong buttons still represent two sides of the button, so you can replicate these with two-prong designs.

You'll also need a rotating potentiometer—these are knobs that you twist to set a value, similar to the volume knob on a speaker. You'll want one that's breadboard-friendly with a three-prong design, as shown in the following screenshot:

A basic rotating potentiometer

Tip

Please note that you may have access to a sliding potentiometer (one that looks like a sliding switch or similar to a dimmer switch) or some other potentiometer. These will work fine, but check...

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