If you are looking for the Chapter 14 content for the 1st Edition of Exploring Arduino, please click here.

Data Logging with SD Cards

Parts List

• Arduino Uno or Adafruit METRO 328
• USB cable (Type A to B for Uno, Type A to Micro-B for METRO)
• Assorted jumper wires
• Sharp GP2Y0A21YK0F IR distance sensor with JST cable
• Adafruit Arduino data logging shield with header pins
• CR1220 12mm 3V coin cell battery
• SD/MicroSD Memory Card (8 GB SDHC recommended)
• 5V 1A USB port wall power supply
• Computer with SD card reader (or USB SD card reader)
• Painter’s tape and/or 3M Command Strips

Code

Download Code (2nd Edition, Chapter 14)
(Also available on GitHub)

Useful Links

• CSV File Type description on Wikipedia
• Adafruit Data Logging Shield – Soldering the Headers
• Arduino SD Library Reference
• RTCLib Real-Time Clock Library Code
• Sharp IR Distance Sensor Datasheet (PDF)
• Pre-formatted Google Spreadsheet for Graphing Logged Data

Videos

Watch a tutorial video that covers some of the datalogging concepts discussed in this chapter:

Watch a tutorial video about logging GPS data: