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Archive for the 'Hardware' Category

Arduino Uno and Nano I/O pin CheatSheet

Arduino compatible Uno and Nano micro controllers are my go-to development boards for electronic projects.  Except for the Nano’s smaller form factor, they have very similar specifications including 14 Digital I/O pins. The Nano, despite being more compact, has 8 Analog Input pins,  two more than the Uno’s 6.

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Sparkfun Clockit Review

While I have been writing embedded system software and firmware for decades, only recently has an interest in actually designing and building an entire electronic project emerged.  The catalyst for this sudden fascination with the hardware side of embedded systems is my dissatisfaction with off the shelf alarm clocks and my desire to one day […]

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Dual Seven Segment LED Counter

A few months ago, I was so fed up with my store-bought, digital alarm clock that I decided to make the alarm clock of my dreams.

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