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Scratchboard

Scratchboard

Create, simulate, and collaborate on digital circuits

Website scratchboard.io
Overview

What it is

Create, simulate, and collaborate on electronic circuits in your browser. Test digital circuits with advanced simulation engine and AVR microcontroller support. Perfect for hardware engineers, makers, and students.

Intent

I need it when

Teach electronics and circuit fundamentals to students

Scratchboard's browser-based interface and free tier enable educators to demonstrate circuit concepts, have students build and simulate circuits interactively, and provide immediate visual feedback without lab equipment setup.

Learn and prototype Arduino circuits without physical hardware

Scratchboard allows users to write Arduino code, wire virtual components, and run simulations instantly in a browser, enabling hands-on learning and prototyping without purchasing expensive microcontroller boards or components.

Experiment with analog circuit behavior and component interactions

Users can build analog circuits, observe real-time simulation results, and understand how components interact without needing expensive test equipment or risk of damaging physical components.

Test digital logic designs and verify circuit behavior before building

Users can design and simulate digital logic circuits online, test gate combinations and logic flows, and validate designs before committing to physical construction or breadboard assembly.

Drop

Not a fit when

  • User needs offline circuit simulation without internet access
  • User requires professional-grade PCB design and manufacturing integration
  • User needs real-time hardware debugging with physical oscilloscope integration
  • User works exclusively with proprietary or legacy circuit components not in Scratchboard's library
  • User requires SPICE-level analog circuit analysis beyond basic simulation
Commercials

Pricing

Freemium model with paid plans available View pricing