Laser cut Pumpkins

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but probably not enough to satisfy @MarkPhelan, Just a quick Halloween silhouette to decorated the garage doors. A long chain of neopixels provides some changing colour back lights.

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Nikol-AI Puzzle Box

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Last summer, I had the privilege of creating a puzzle box for Chris Ramsay , the Canadian Magician and Youtube Puzzler (Not the English comedian Chris Ramsey ). Like most projects of this nature I failed to take enough photos, I rushed to complete it in a good time and I didn't even write about it here. Thanks to some very keen collectors, I have an opportunity to rebuild the box this summer. This time around I am going to write about it, documenting the design choices and code that goes into such a creation. I've even found time to list it on my puzzle website should anyone be interesting in purchasing their own copy.  https://www.donteatpuzzles.com/nikolai The project was delivered in July 2024 and was filmed almost immediately by Chris and his team. I think it's fair to say that he loved it. Seeing all of my efforts being appreciated in this was is rather magical. I should just take this opportunity to thank everyone who supported me in making this, whether it was playte...
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I said we'd take a little detour to make a fully functional puzzle using our two buttons and two lights and so I present to you, a Binary Puzzle. I have made two binary style puzzles before, one was purely mechanical , and the other one used a cabinet lock and a series of switches to activate it (but no blog post). Both of these are simpler ways of making the same puzzle so we need this to be different somehow. Since we have the full power of a microcontroller why not make the codes change over time. Every time you fail to enter the code correctly it will change the code, so let's dig into the system. Hardware wise it's a bit ugly, all of the information required to solve the puzzle is contained on the front of the panel which could be mounted in a box or in a wall. The reverse is just enough hardware to hold everything in place and some basic soldering to recreate everything on the previous prototype board. Two switches connected to D5 and D6  using the internal pull up...
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