Intro to Computer Engineering

Module 6 Prep

This module we introduce protocols, which provide a consistent form of communication between the Arduino and the PC (actually, between any two processors).

We will again be using the Java Simple Serial Connector (jSSC) library for serial communications. A local copy of the JavaDoc for the library can be found here.

Text

Read Chapter 12 in the course text.

Note, this chapter is only in draft form, meaning there is lots of information that is helpful to you in completing this module’s activities, but don’t consider it complete by any means.

Data Representation, Protocols, and Observability

Video	Description
Data Elements	It is important to understand how data is represented on the Arduino side and the Java side, so this video offers a comparison.
Protocol Design	You’re now ready to think about designing and implementing protocols to ensure consistent communications from the arduino to Java.
Observability	How do we know that our protocol is working as intended? Let’s watch it in action!

Sparkfun Tutorial on Ultrasonic Sensor

This module also introduces an ultrasonic distance sensor. This tutorial, from SparkFun, describes the setup of the sensor. Don’t worry about the actual experiment in the tutorial (although it might be fun to do!), it is the Hardware Hookup section that will be most beneficial. Also, focus on the distance sensor, not the RGB LED.

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Page written by Doug Shook and Roger Chamberlain.