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[Brett] sent us a note about his work on the new Arduino PID library. He is the author of the original library and recently decided it was time for a ground-up rewrite. But along the way he took the time to explain PID control and the choices he made during development.

… you could also use an OpenWRT router if you wanted

Even if you don’t have a laser cutter you can still make many of the TurtleBot parts with basic hand tools.

Dulchinos says that automation, though it might take some people’s jobs in the short term, is essential for keeping companies competitive, and thus able to expand and hire more workers. That’s why more and more companies in industries as varied as food packaging and electronics manufacturing are embracing robots.