This Homemade Device Prevents Duplicate Parts Orders

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I’m working on a project and need an L298N dual H-bridge module to drive a motor. I’ll go to order one and realize that they’re much cheaper if I order a pack of five, so I’ll do that. When they arrive, I’ll grab the one I need and put the others in my box o’ parts — only to realize I did the same thing last time and will end up with eight L298N dual H-bridge modules. Akashdeep Singh of The Wrench found a way around that common problem by building this inventory management device.

Singh designed this device specifically to address the situation I described in the intro paragraph, because that is something that we makers all do. Unless you have eidetic memory or the most organized parts storage system imaginable, you also order parts you already have. Singh’s device provides quick and convenient access to a database...

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