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Simulate Arduino online and easily create custom circuit boards

Design and simulate circuit boards with our breadboard, schematic and PCB editor.
Share your designs and collaborate as a team.

Show me an example!

Easily create and simulate
Circuit Scribe sketches online.
Circuit Scribe is a rollerball pen that writes with conductive ink. Combined with magnetic components, it makes creating circuits as easy as doodling.

The online editor makes it easy to create your own sketches and share it with the community.

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Design and Simulate Circuits

The best way to learn electronics without breaking your Arduino.

Collaborate As a Team

Our editor allows for multiple people to work on the same projects simultaneously.

Hardware Shipped to Your Doorstep

Order PCBs of your own design or from the community, or shop the Circuit Scribe store.

Breadboard Editor With Realtime Simulation

Test your Arduino code in our real-time simulation environment and see your designs come to life in the browser.

Breadboard Simulation Example

Fully-Featured Schematic Editor

All the tools you need to design advanced schematics with the components you need.

Schematic Circuit Example

Easy to use
PCB Editor

Connecting your components has never been more fun. If you need multiple layers, we’ve got you covered.

PCB Example

Collaborate like never before

Improve existing designs from the community, or edit circuits collaboratively in real-time

Let's get started!

Purchase electronic boards or browse the Circuit Scribe store

Get your electronic boards fabricated and shipped right to your doorstep. And shop for Circuit Scribe Pens, Modules and Kits.

Bring me to the shop!

Venture from the world of circuits and into 3D

Check out the awesome, free apps on Autodesk 123D to take you from circuits to modeling, making, and more.

Show me the 123D App universe!