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Decimal Arithmetic with BCD

Although decimal hardware is rare, there are lots of reason to want to work in decimal in software. For example, binary often doesn't give results that are the same as a human would get doing manual arithmetic. For example, if an expression results in 0.1 in decimal this isn't exactly representable in fixed point binary. However, for integer arithmetic binary gives the same result as decimal arithmetic. A better reason for needing decimal is that this is what many sensors deliver to your interface.

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IoT With Amazon Web Services on edX

Amazon has extended its partnership with edX to provide an intermediate level, self-paced, free course that  provides skills in building and deploying IoT solutions for commercial or consumer applications. The 4-week course consists of video-based lectures, demonstrations and hands-on lab exercises, run in your own AWS account, that will allow you to build, deploy and manage your own IoT solution.

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Framebuffer Text Using PSF 1 Fonts

How to display text on a framebuffer? Easy once you know about PSF1 fonts. In this article the details of how to read and use a PSF1 font file is explained and a complete C program to display text on the framebuffer is given. 

 

 

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