If you are looking for the Chapter 13 content for the 2nd Edition of Exploring Arduino, please click here.

Data Logging with SD Cards

Parts List

• Arduino Uno
• A-B USB Cable
• Power Supply (9V/holder, USB Power Adapter, or AC/DC Adapter)
• Sharp GP2Y0A41SK0F IR Distance Sensor with Cable
• Real-Time Clock Breakout (or self-assembled RTC circuit) (Not needed if using Adafruit Data-Logging Shield)
• SD card Shield & SD Card (Cooking-Hacks MicroSD Shield, Adafruit MicroSD Breakout,  Arduino Ethernet Shield, Adafruit Data-Logging Shield, Seeed Studio SD Card Shield V4, or SparkFun MicroSD Shield)
• Jumper Wires
• Breadboard
• Computer with SD Card Reader

Code

Download Code (1st Edition, Chapter 13)
(Also available on GitHub)

Useful Links

• Arduino SD Library Reference
• RTCLib Real-Time Clock Library Download
• Sharp IR Distance Sensor Datasheet (PDF)
• Pre-formatted Google Spreadsheet for Graphing Logged Data

Color Wiring Diagrams

Chapter 13, Figure 19

Chapter 13, Figure 20

Chapter 13, Figure 22

Videos

Follow along with this video tutorial about data logging:

Follow along with this more advanced video tutorial about logging GPS data: