The latest piece on uC Hobby explains how-to use low-amperage microcontroller signals to control high-current devices. Among other things, it explains how to use transistors to get from the logic of a MCU to the power needs of a motor.

uC Meets BJT – [via] Link

Gareth Branwyn

Gareth Branwyn is a freelancer writer and the former Editorial Director of Maker Media. He is the author or editor of a dozen books on technology, DIY, and geek culture, including the first book about the web (Mosaic Quick Tour) and the Absolute Beginner’s Guide to Building Robots. He is currently working on a best-of collection of his writing, called Borg Like Me.

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