How to Build a Magnetic Stirrer





Introduction: How to Build a Magnetic Stirrer

How to make a lab magnetic stirrer with a motor from a CD-DVD drive unit, a hard disk drive magnet and some esay materials like wood, a switch, jack connector, etc.
You only need to buy the magnetic stirrer bar, (or stir bar) i.e. on Ebay. It is not recommended to DIY the magnetic bar because the pro ones are cheap and covered with teflon, so they dont react with chemicals. or

Step 1: Magnetic Stirrer.

The video is self explanatory!



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    3 Discussions

    I thought I was being smart and used heat to melt the glue and remove the magnets from the hard drive.. Apparently high heat causes demagnitization. Live and learn

    Gonna make the best chocolate milk ever