Over the years, Circuit Cellar editors have learned you simply can’t stand still when your magazine focuses on ever-evolving embedded electronics. So with the September issue, we introduce a dramatic redesign to make the magazine’s look more contemporary and its 
connection with our website stronger.
The heart of our content is still project pieces and columns. For example, in this issue, Nelson Epp writes about a Rubik’s Cube-solving robot (p. 24), Walter Krawec examines evolving neural networks in robotics (p. 42), and Brian Millier describes how to configure his “Iso-Pi” I/0 board for the Raspberry Pi single-board computer (p. 32).
In addition, our column topics include examining different battery types and their characteristics (p. 48), exploring commodity LED characteristics with a stress tester and an optical output detector (p. 54), and understanding BMP graphical file formats (p. 64).
Speaking of columnists, the September issue introduces a new one—Ayse Coskun, a Boston University assistant professor. Her bimonthly Green Computing column will focus on topics that recognize energy is a “first-order constraint” on any computing system, large or small. So she will be looking at everything from energy-efficient software and hardware-design strategies to electricity cost savings and battery-life extension (p. 60).
Another new feature is CC World (p. 8), which will provide monthly updates on topics of interest to the magazine’s international community of engineers, academics, and students.
But our changes are not simply about what you see on the magazine’s pages. This 
redesign makes it easier for you to connect our print content to related material at circuitcellar.com.
At the end of each article, you’ll discover an easier way to find project files and supporting documents online. You can either type circuitcellar.com/ccmaterials in your browser or use your smartphone to scan the printed QR code.
We hope you enjoy the new look and conveniences.
Circuit Cellar's editorial team comprises professional engineers, technical editors, and digital media specialists. You can reach the Editorial Department at editorial@circuitcellar.com, @circuitcellar, and facebook.com/circuitcellar
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