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Big Fucking "Covid" Badge

Another Big Fucking Badge. Now even bigger and pandemic-inspired

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This board is simpler than the DC 27 BFB we build, but it is bigger! Just a Conway's Game-Of-Life sim with some good hackability. Of course the shape is a coronavirus and we admit that having it run the game of life might be a bit on the nose.

We were not sure if there was going to be an In-Person version of DEFCON this year so we had nothing prepared. This badge was literally started in early June! Talk about rushing things.

This time the badge is simpler, with no sound, no RGB LEDs (just white), and no capacitive touch buttons (just regular tactile ones). On the bright side (pun intended), it does have 1024 white LEDs. 

Why so many? Well the irony of this Coronavirus-shaped badge is that it plays Conway's Game-of-Life.

The buttons are there to let you adjust different things, such as game params, speed, and global LED brightness. There is also a mode for editing the starting patterns (did I mention there are 8 patterns, a few preprogrammed, a few blank?).

Had to remove the feature of being able to interconnect the badges. Just not enough time to work out the detains. But at least we made this one bigger than the DC27 badge (yep bigger. It's over 12"x"12")

Plan is to start with a run of 20. Fingers crossed that everything goes ok (and that we did the circuit design correctly), and that I can get the coding wrapped up.

  • Nyan Cat

    hexum0644 days ago 0 comments

    It has to have a Nyan Cat mode.

  • Big leaps forward

    hexum0645 days ago 0 comments

    The initial run of the board came back. Looks fantastic.

    Had no luck finding any help placing the 1050 components, and having it done by a pick-and-place company was going to cost a ton and take way to long. So 4 hours and a sore back later and all parts were placed.

    The good news: everything worked! When does it ever go right the first time !?!?

    So the actual boards, and the assembly are under way (with ALLPCB this time). They gave me the best turn-around time and price and most complete BoM fulfillment.

    Fingers crossed I get the board back in time now.

    Here it is running some prelim game-of-life code.

  • Oh ya! Chip Shortage...

    hexum06407/03/2021 at 07:00 0 comments

    Well FUCK that was a close one.

    I was originally using the xmega32e5. Then I remembered the chip shortage.

    Sure enough, almost impossible to find (real ones anyway). Same with the SVR I was planning to use.

    Got lucky and had a bunch of attiny814s on had (and of course they are not out of stock anywhere), and it was easy enough to switch the code over. Also found another switching regulator that fit the bill and was simple enough not to need a prototype of the circuit.

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