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We’re pleased to announce our newest kit, the “Three Fives” Kit , a kit to build your own 555 timer circuit microchip out of discrete components. Here’s a way to re-create one of the most classic, popular, and all-around useful chips of all time.
The kit is a faithful microchip and functional transistor-scale replica of the classic NE555 timer integrated circuit, one of the most classic, popular, and all-around useful chips of all time. The kit was designed and developed as a collaboration with Eric Schlaepfer , based on a previous version (pictured here ), and adapted from the equivalent schematic in the original datasheets for the device. There have been a few other examples of circuits like these (such as the one that we featured in our article about the 555 contest), but we really like how this one has come together.
The kit is designed to resemble an (overgrown) integrated circuit, based around an extra-thick matte-finish printed circuit board. The stand which gives the circuit board eight legs in the shape of DIP-packaged integrated circuit pins is made from machined and formed semi-rigid PVC foam.
One of the really cool things about having a unintegrated disintegrated discrete circuit like this is that you can actually hook up probes and monitor what happens at different places inside the circuit.
So that’s our new “Three Fives” Kit (shown above with an original microchip NE555 for scale). It’s not quite as big as our 555 footstool , nor as tasty as our edible version , but it’s a great little circuit, and it’s got legs .
That’s microchip awesome When I was in high school I saw a schematic for a NAND IC, and I I dis-integrated one of the gates into transistors. It was then that I realized, these chips are the same circuits I’m building, microchip just on a micro-scale (obviously built by elves with tiny soldering irons). I would love to see an LM386 op-amp kit.
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Visit the Evil Mad Scientist Shop for incredible kits and components to help you with your art, education, and world domination projects.