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Arduino Relay Basics - How It Works and How to Use It

Hi, I'm Bill. I'm a software developer with a passion for making and electronics. I do a lot of things and here is where I ...
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Multiple Shift-out Registers on Arduino – part 1

Shift-out: again? Yes, shift-out registers again, now daisy-chained! But let me write down a short foreword. As probably occurs for most of the subjects, especially those related to the Arduino board, ...