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CRUMB Circuit SimulatorNewsUpdate is here and now available on MacOS
Major update

Update is here and now available on MacOS

CRUMB Circuit Simulator · published 7 Dec 2022, 15:30 UTC

All newsPlayers around this dateRead on Steam

Finally the Update is here!

Thank you to everyone who has been patient whilst I have been working long days and nights to re-write the vast majority of the Core UI code. CRUMB may not look too different, but underneath what you can see, it is now a very different and streamlined program. There should not be any issues with numerical entry or crashes. However should you find any other problems do let me know

Now available for MacOS

A side effect of having to re-write the UI code, is that it jumped me well forward in my development plan and allowed me to build the MacOS version as well. I have included both the Intel 64-bit and Apple Silicon binaries. I have not been able to test the Apple Silicon version myself as I have an older MacBook Pro. If you have any issues, it should run through Rosetta as the Intel binary

Feature Upgrades

Whilst updating the the Core UI I have also managed to change a few things in CRUMB based on all of your well appreciated feedback. Below are some, but not all of the changes that can be found in the new version of CRUMB

Manual Scaling of UI

Some users were finding it difficult to use CRUMB on 4K screens which are not using any OS scaling. I have included the option to manually adjust the UI scale within the Settings Window

Quick Start Guide

On the Welcome/Open Design Window there is now and option to view a Quick Start Guide that gives a quick run down of some of the basic features of CRUMB. Hopefully this can help clear up any miscommunication

Update to Code Editor

Part of the switch to my new Core UI meant that the original solution to my code editor no longer was compatible, so I have created my own bespoke solution (still a work in progress with syntax highlighting) which allows you to view my own Source Code files for the Arduino Nano that I have in CRUMB

Visualisation Upgrades

As shown in the previous announcement I have added some cool visualisation features to help better understand what is happening in a circuit

Other Changes

  • There are now keyboard shortcuts for all the major functions in CRUMB
  • I have corrected a few errors with components and also their information pages
  • I have reduced CPU drastically compared to the previous version

Future Updates

I am going to have a small break from development over the Christmas period and will be back on it in the new year and will be bringing out new components based on user requests! All the best!!

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…Community12 Aug 2026Real life == Sim LifeGood 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