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.
Gareth Branwyn is a freelancer writer and the former Editorial Director of Maker Media. He is the author or editor of over a dozen books on technology, DIY, and geek culture. He is currently a contributor for Boing Boing and WINK Books. And he has a new best-of writing collection and “lazy man’s memoir,” called Borg Like Me.