LogicDrawer
Open-source logic circuit simulator with AI assistant
LogicDrawer launched on February 25, 2026 with 3 votes, #3,486 of 16,627 launches that month and more than 50% of that year's launches.
What it does
LogicDrawer is completely free and open-source. It has AI assistant which allows you to create circuits just bu describing. It can parse SystemVerilog code and turn them into functional circuits. You can draw logic circuits to paper by hand and upload the photo to detect model, and it can create a digital version of your circuit completely for free. You can open up accounts for saving your circuits to cloud for later access. It has clean UI with many components and it is improved all the time.
Design, simulate and analyze digital logic circuits with LogicDrawer. The most intuitive circuit drawer with real-time simulation, truth tables, K-maps and AI-powered features.
LogicDrawer combines artificial intelligence with a precision design workspace to help you create, verify, and share logic circuits—faster than ever. Describe your circuit in plain text or upload a truth table, and our system builds it for you instantly. Ideal for rapid prototyping. Take a picture of your hand-drawn logic diagrams and convert them into interactive simulations automatically. Solve K-Maps and Boolean expressions effortlessly. Generate truth tables and verify your manual work with ease. Visualize signal flow with dynamic wire colors (green for high, gray for low) and interact with switches and sensors in real-time. LogicDrawer is a completely free, web-based digital logic…from logicdrawer.app
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Wired Logic – a pixel-based logic simulator2016 · github.com · ▲176Wired Logic - a pixel based logic simulator. Contribute to martinkirsche/wired-logic development by creating an account on GitHub.
I made a digital circuit drawing and simulation game2024 · github.com · ▲139Inspired by games like Turing Complete/Virtual Circuit Board/Logic World, I tried to make a mix of aseprite and wiredworld/wired-logic, the idea being the user can build a digital circuit using a "fullstack" pixelart creation workflow. The circuit is just an image. The primitives are (i) connected wires which have undefined, 0 or 1 state during simulation (displayed brighter or darker in function of the state) and (ii) NANDs, which are little pixel triangles. During simulation the user can interact with any wire by clicking on it, toggling its state, which is cool for messing…
I made a little digital circuit simulator that operates on PNGs2022 · github.com · ▲259This is a little toy project of mine that lets you simulate digital logic graphs. It was inspired by Minecraft's Redstone and the Piet esolang. It's got some serious drawbacks-- you write circuits as PNGs and simulate them with a Python interface. It's slow to run and slow to experiment with. And it is certainly difficult to use for people with any kind of color blindness. But despite that, I hope this can still be a fun toy!
- COCircuitVerse – Online Digital Circuit Simulator2018 · circuitverse.org · ▲145
Explore Digital circuits online with CircuitVerse. With our easy to use simulator interface, you will be building circuits in no time.

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