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CRUMB vs SLD | Electrical diagrams Usage & Stats
CRUMB offers an easy to use and interactive introduction to electronic circuits
Fully realised in 3D, you can construct prototype circuits as you would at the workbench without the risk of terminal component failure or the hassle of ordering individual components
CRUMB comes with a great selection of components to allow you to jump straight in to creating prototype circuits
With the catalogue available, it is possible to study the workings of transistors & audio filtering, all the way to programming an EEPROM to run a basic program
For the beginner, it is possible to learn and understand the basics of interactivity, and for the enthusiast it is possible to analyse and perfect prototypes before constructing real world models
Using the built in oscilloscope and analysis views, it is possible to see clearly the interaction between components from within the wires themselves
Through community feedback and suggestion, there will be many more components and features added. For a full feature list and development schedule please visit the website http://www.crumbsim.com
- Apple App Store
- Paid
- Productivity
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This tool will allow you to create your own one-line diagrams quickly and easily. Simply select the symbol you want to use and drag it to the desired position.
The most commonly used symbols are integrated (IEC, ANSI standards):
Symbols according to IEC and ANSI standards for electrical engineering:
Circuit breaker, plug-in, switch, disconnector, fuse, differential (RCD), contactor, motor, generator, socket, plug base, contact, normally open NO, closed NC, valve, level, temperature, delay and advance opening and closing, limit switch, handle, interlock, push button, mushroom, lamp, grounding, energy meter, active (kWh) wattmeter, reactive (kvar) varimeter, transformer, voltage, current, three windings, overvoltage, thermal relay, magnetic, coil, clock, minimum and maximum voltage, starter, rectifier, inverter, battery, converter, AC/DC, DC/DC, frequency meter, voltmeter, ammeter, ohmmeter, soft starter, variable resistance, reactance, diode, varistor, heater, fault, star-delta transformer, insulation, regulator, connectors, conductors, phase, neutral, ground, protection, fan, photovoltaic panel, control, load and enter text such as volt, ampere, watt, energy
# BASIC Version #
* You can create your single-line diagram with the same symbols as the Version PRO
* You can only work with a scheme although you can share it as an image, pdf or file
* Once you create a scheme you will no longer be able to open another (they are not saved)
* Contains ads
# PRO Version # (1 - In-App Purchases)
* You will be able to open, edit and save a scheme
* Open in the following examples (link)
* No ads
* Missing a symbol? Contact us through the app
* More examples: https://drive.google.com/drive/folders/15vTwFvjtu311lSEbYJLaqUfp_pyEwEDt?usp=sharing
- Apple App Store
- Paid
- Productivity
Store Rank
- -
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January 10, 2026