Christmas Card 3

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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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Wiring the Ruida Controller

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The RDC6442G controller from Ruida This is going to be quite an image heavy post describing the rewiring needed to convert between the Leetro controller and the Ruida controller. It is also pretty straight forward on the old Just Add Sharks laser cutters because all of the wires are clearly labelled. The controller was prepared in the previous step in order to make this conversion process as smooth as possible. The Leetro (Pad03) panel on the left and the Ruida panel on the right The view from inside the laser looking up at the control panel The control panel is an easy place to start, both panels have just a single cable that runs down to the controller, both panels are a very similar size, with the Ruida panel being slightly smaller underneath so it will fit in the hole left behind easily. The Pad03 panel clips into place so you'll need to reach up inside the machine to work the clips loose. The cable runs down the inside of the laser and is cable tied onto mounti...
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Binary Puzzle

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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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