Add QR codes to your Raspberry Pi and Arduino projects
The typical UPC-A barcode is a series of contrasting strips that encode a 12-digit number, whereas a QR (quick response) code [1] is a matrix of small squares that can represent up to 4,296 characters.
For your Raspberry Pi or Arduino projects, you can use QR codes to document what the module is doing, link to web URLs, or display a message, like "if lost, please call …."
Create Your Own QR Codes
A number of different tools are available to create your own QR codes. One of the simplest methods is to use the Google Chart API [2], which you call with
[...]
Buy this article as PDF
Pages: 6
(incl. VAT)
Buy Raspberry Pi Geek
US / Canada
UK / Australia
Related content
-
Make an Android phone app to control your littleBits projects
Make a remote control paddleboat with the littleBits Arduino module, DC motors, and generic Bluetooth module and control the boat with a phone app that uses the MIT App Inventor package.
-
Create a remote control motorized robot arm
Use an Arduino Mega to manage a 4-motor robot arm and a 2-motor car chassis. The MIT App Inventor package was used to create an Android app that controlled-the robot.
-
Control a Lego aerial tramway with an Android phone app
Build an aerial tramway with a Lego Mindstorms NXT robotics kit and the MIT App Inventor web app, and control it remotely with an Android phone.
-
Graphical, Scratch-like programming languages for Arduino
Getting a handle on Arduino boards can be difficult. Luckily, quite a few block-based, Scratch-like programming environments are at hand that make the learning curve easier to climb.
-
Use your smartphone to control an airboat
We combine an Arduino, K'Nex construction pieces, plastic bottles, assorted electronics, and some duct tape to create an airboat that you can control with your smartphone via Bluetooth.
