Instructables
Picture of A Hacker Cup Of Tea
I got bored one night and wanted a cup of tea. So being the tinkerer I am I made a hacked together tea maker. Right now this is more of a description than a guide but I will happily answer any question I get in the comments.
 
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Step 1: Ingredients

tea bag and mug (of course) Boiling: Basic coffee maker (one you can afford to lose) Oven thermometer (so you don't burn the house down) Stirring: Plywood Magnets 4 screws computer fan 6v power source (I used 4 AA batteries)

Step 2: Part 1: Boil

Picture of Part 1: Boil
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To boil my tea I used a coffeemate coffee maker (with the top part removed) as a hot plate. Slow but cheap. To disassemble simply take out a few screws and remove any piping. There is currently a melting plastic scent coming from mine so make sure to remove all piping before turning it on. To monitor the temperature of my tea I used a digital oven thermometer. This is the only unmodified item in this instructable.

Step 3: Part 2: Stir

Picture of Part 2: Stir
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To stir my tea I used the typical computer fan, magnets, and a scrap piece of plywood. There are plenty of Instructables on how to build this so I won't be going into great detail. If you wrote an instructable on how to make a stir plate I will gladly link it here.

Step 4: Part 3: Enjoy!

This project went from idea to published in one night. There are probably tons of ways it can be improved. The main points are: 1. Bored tinkerers are dangerous beings 2. Mundane tasks can be sources for fun projects 3. A cup of tea is so much more fun when you use a magnetic stirrer. You get to watch the spinny vortex of doom. A note on safety: At the advice of flashcactus I would like to add: PLEASE DO NOT DRINK THE MAGNETIC STIRRER. It will not be a pleasant experience. Also, this obviously isn't safe to use for a commercial restaurant, it is far from sanitary
flashcactus4 months ago

Just make sure you don't accidentally drink the magnet. I almost did
when I made my own stirrer (using a regular motor and a single strong
magnet, unlike a lot of other people who seem to favor the "computer fan
+ 2 small magnets + piece of metal" formula) and immediately used it to
stir my tea :)

And if you do, MAKE SURE YOU DON'T DRINK ANOTHER ONE. IT'S DEADLY.