12 key Matrix-Enabled Keypad Project

— Update —
It only took two years (I’ve been a little busy) but I got this working on my Javelin stamp. The code is ugly. I have to refactor it to make it generic. But it works. Here’s the setup, and me pushing the 7 key (the keypad I got from All Electronics doesn’t have the numbers, so imagine this keypad looks like a telephone touch tone keypad):

The Setup

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On giving advice: draw from your own experience

Or you just look stupid. I recently received some advice from someone on a topic with which they have no experience. Yet this individual felt qualified to offer me advice from something they read in a Book.

I’ve also learned that when you pray for help improving a character quality (in this case patience) you will at some point (in this case out of the blue) be provided with the opportunity to practice that quality.