Category Archives: textbook

Learn ARM Assembly with the Raspberry Pi

We live in a time when you don’t have to know assembly language to successfully work with embedded computers. The typical processor these days has resources that would shame early PCs and some of the larger ones are getting close to what was a powerful desktop machine only a few years ago. Even so, there are some cases where you really want to use assembly language. Maybe you need more speed. Or maybe you need very precise control over timing. Maybe you just like the challenge. [Robert G. Plantz] from Sonoma State University has an excellent book online titled “Introduction …read more

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Retrotechtacular: Farming Implements in 1932

Few people would deny that farming is hard work. It always has been, and it probably always will be no matter how fancy the equipment gets. In 1932, farming was especially grueling. There was widespread drought throughout the United States, which gave rise to dust bowl conditions. As if those two things weren’t bad enough, the average income of the American farmer fell to its lowest point during the Depression, thanks to the Smoot-Hawley Tariff Act.

Even so, crop farming was still a viable and somewhat popular career path in 1932. After all, knowing how to grow food is always …read more

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Posted in john deere, public domain, Retrotechtacular, textbook | Leave a comment