The Crustacean Battle Bot of your Nightmares

We’ve all seen a movie or TV show that got our imagination going, and the more studious of us might get fired up over a good book (one without pictures, even). You never know were inspiration might come from, which is why it’s so hard to track down in the first place. But one place we don’t often hear about providing many hackers with project ideas is the grocery store. But of course the more we learn about [Michael Kohn], the more we realize he’s got a very unique vision.

On a recent trip to the grocery store, [Michael] saw a two pack of frozen lobsters and thought they would make fine battling robots. You know, as one does. Unfortunately the process of taking a frozen lobster and turning it into a combat droid (which incidentally does include eating the thing at some point in the timeline) ended up being so disgusting that he only finished one of them. Whether that makes this poor fellow the winner or loser though…that’s a question that will require some contemplation.

The first step was cooking and eating the beast, and after that came cleaning the shell of as much remaining meat and innards as possible. He then baked it in a toaster oven for 40 minutes and let it sit for a couple of days to make sure it didn’t have any residual smell. Once he confirmed the shell was clean, he glued it back together and got started on mounting it to his hardware.

A wooden frame under the lobster holds the dual HD-1711MG mini servos that power the karate chop action of the claws, as well as the electronics. [Michael] used a ATtiny85 and NTD4963N MOSFETs to make a basic RC platform which responds to IR from a Syma S107 toy helicopter controller. He tried to power everything with AAA and then AA batteries, but found they just didn’t give him the juice he needed once the bot got going. So the final version utilizes a 5 V regulator and a standard RC 7.2v LiPO battery pack.

If you’re not big on shellfish, never fear. He’s created similar roving contraptions based around sausages and carrots too. One could say he’s truly a man of refined…taste.

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