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Build and simulate electronic circuits, explore thousands of community circuits!
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Build and simulate relay logic and control systems.
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Learn electronic circuits by solving circuit puzzles.
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Complete circuit calculator: resistor color codes, SMD codes & engineering tools
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The best electronic circuit simulator for Android.
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Ladder logic language simulator and code generator for Arduino boards.
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Interactive Education Simulations for Science and Math
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The logic simulator that helps you to learn the basics of electronics.
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Offline database of transistors, thyristors, diodes etc.
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Assemble, simulate and share your pneumatic and electro-pneumatic circuits!
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Learn more from experiments
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Electronics CAD with circuit simulator
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Learn Ladder Logic with our Free PLC Ladder Logic Simulator - Macro PLC
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VoltLab — interactive electricity & circuits: simulations, lessons, tests.
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Code wizard generating C code and 21 demo projects
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A simple app to support the maintenance, service & repair of your Perkins engine
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The Chemical Process Simulator for Android
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an open source physics data logger of images from front back camera or file
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Measure Master Pro: Easy US & Metric conversions for precise measurements.
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an open source physics at Singapore simulation on Vernier Calipers for O Level.