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CRUMB · published 12 Aug 2026, 23:56 UTC

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Good evening ladies and gentlemen!

I’m continuing to pour my life into this next version of CRUMB and I have a little something to share with you all!

It is now possible to connect real hardware to CRUMB and interact with it, in this example we can flash an Arduino R3 with the same code that’s running in the simulator 🤩

Much love!

Mike

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Major update15 Sep 2026100,000 copies sold. Thank you.100,000 😮 That's how many copies of CRUMB Circuit Simulator have now been sold on Steam. I keep looking at the number and it still doesn't feel real. CRUMB started as, and still is a one-person project. It went out in November 2022 with no publisher and no marketing, just a virtual breadboard and the hope that a few people would enjoy poking around on it. Every one of those copies came from yo…In-game event12 Sep 2026Looking for the most advanced electronics simulator in the world?I have been super busy posting on Facebook with new developments and features and have neglected to keep everyone up to date here! CRUMB 2.0 is shaping up nicely and has the potential to become the single most powerful and accessible electronics simulator! But first to answer a consistently asked question: "Will 2.0 be free to existing users?" Yes. And let me introduce to CRUMB Advanced. To tho…In-game event5 Aug 2026Can it run DOOM?Just another quick update everyone! So excited for this one. I always had a vision for the original CRUMB to run DOOM, but the Arduino I simulated was not the right component, nor was there enough simulation power/optimisation to even dream about fully simulated ARM architecture for a Raspberry Pi. However that has changed and v2.0 is going to open up huge doors to infinite possibilities. Take…