If you are looking for the Chapter 6 content for the 2nd Edition of Exploring Arduino, please click here.

USB and Serial Communication

Parts List

• Arduino Uno
• Arduino Leonardo
• USB A-B Cable
• USB A-Micro B Cable
• Red LED
• Common Cathode RGB LED
• 150Ω Resistor
• 220Ω Resistor (x3)
• 10kΩ Resistors (x2)
• Pushbutton
• Photoresistor
• TMP36 Temperature Sensor
• Two-Axis Joystick
• Jumper Wires
• Breadboard
• Potentiometer

Code

Download Code (1st Edition, Chapter 6)
(Also available on GitHub)

Useful Links

• FTDI Driver Downloads
• Arduino Serial Library Reference
• PuTTY Serial Terminal Download
• Arduino parseInt() Function Reference
• Processing Download Page
• SudoGlove Processing Debugger Application
• Installing Leonardo Drivers
• Arduino millis() Function Reference
• Arduino Modulo Operator Reference
• Arduino Leonardo Mouse and Keyboard Library References
• List of Arduino Special Keys (for the Keyboard Library)
• TMP36 Datasheet (PDF)

Errata

Code errata listed below are corrected in the code downloads available from this page, and from github.

• In code listing 6-9, the pinMode comment in setup() incorrectly stated that the LED was blue when it should actually be red.

Color Wiring Diagrams

Chapter 6, Figure 6

Chapter 6, Figure 10

Chapter 6, Figure 11

Chapter 6, Figure 16

Chapter 6, Figure 17

Videos

Follow along with this video for a visual tutorial on serial communication and processing:

Watch a demo of the live temperature and light logger created in the chapter:

Watch a demo of the light-activated computer lock created in the chapter:

Watch a demo of the joystick mouse created in the chapter: