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2d drawing and animation at Khan Academy

Last weekend I was indoors, with a bad flu and looking for something a little fun to do with a computer. So I ended up looking at a profile I created at khan academy where I could revisit what I never learnt when I was a little younger, especially in math. I found a surprise: […]

Zilog Z80 microcontroller UART serial end

This is the second post in the series “serial port on android”. It is about using platform based design, a micro-controller (zilog z80) system that does nothing more than just communicate with the android phone. Later, we will see how to do sensing and actuation for the interface to the physical world. The hardware This […]