Yow Revisited (in Txtzyme)

By: WardCunningham

2010-07-30 21:58:58

The HDLx-2416 is a neat little four-character ASCII display that just happens to fit, pin-for-pin, on top of a Teensy as if the Teensy were made for it. I snagged one from the DorkbotPDX spare parts bin after Dave showed me now neatly his Yow! project fit together. Of course, while testing the limits of Txtzyme, I had to put a Yow clone together.

Yow Revisited from Ward Cunningham on Vimeo.

I wrote the driver for this part in four steps corresponding to four distinct levels of abstraction required of such an application. These are:

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