02 Nov

It's been a while since the last update, but lots of boards have been getting built, new features implemented and tested, and general fun had all around. Perhaps some of those details will be a post for another day. The most interesting board this time around is the IoT soldering iron: To be mor...

12 Nov

The last two weeks have been conference season, with a demo at UIST and a paper at SCF (Symposium on Computational Fabrication). In particular, if you're been following the prior posts on array ports and multipacking, that's the topic of the paper and it's presented in a much more unified and...

14 Jun

Boards sent out a while ago have finally come back, and they are working! Above is the charlieplexed LED matrix board with a basic firmware load that draws a smiley face on the LED matrix. It also allows the user to select a different image (just a frowning face for now, but it needs a duck) t...

24 May

Another good example that demonstrates the power of generators with array-typed ports is a LED matrix generator. But this isn't just generate-30-LEDs-and-plug-into-30-IOs, this uses Charlieplexing to reduce the IO pin requirements significantly. In short, each IO pin can drive both a row of LEDs...

11 Feb

Since most of this week has been a refactoring slog on the HDL compiler, I'll instead talk about the engineering for the source-measure unit (SMU, HDL here) and multimeter (HDL here) example design boards that were built last year, but only started to get brought up. As a recap, a SMU is a combi...

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