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566 results found

  1. Using LM78xx input current must be equal to output current

    When using voltage regulators LM78xx (great idea), I observe than intput current is set to cero, while output current works according output circuit.
    Could be possible set input current equal to output current? This is a good aproximation (input might be output current plus a inner consumption).

    8 votes
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  2. Schematic layout

    This might involve a total redesign of the app, but I think it would be really useful to have a feature that allows you to build a circuit as a schematic diagram like this: http://www.appliance-repair-it.com/images/simpledryer.jpg
    Or as a wiring diagram as it is now. Schematic diagrams make it a lot easier to trace the order of operations in the circuit.

    8 votes
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  3. Varistor

    You can add Varistor (MOV) symbol

    8 votes
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    2 comments  ·  Admin →
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  4. Issue with the 7474 dual D flip flop doesn't reset on CLR low and PR high

    Issue with the 7474 dual D flip flop doesn't reset on CLR low and PR high
    Just fix it!

    8 votes
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    2 comments  ·  Admin →
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  5. Relay.

    In the RELAY be able to manually dedicate certain contacts to be normally open or normaly closed .

    8 votes
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  6. Please implement vacuum tubes

    Great tool! When are common tubes going to be implemented? Can't wait!

    8 votes
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    under review  ·  0 comments  ·  Admin →
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  7. Pink Noise generator

    It would be great and useful to add audio generator like PIN, WHITE...noise.

    8 votes
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  8. Add arduino and various sensors

    Add arduino and various sensors and shields

    8 votes
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  9. Add transformer whith three inside,please. Thank's

    8 votes
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  10. Transformers configuration

    The ability to configure transformer input and out put with voltage entry for trappings.

    8 votes
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  11. isolated circuits with isolated grounds

    I want to use an op-amp circuit to measure the voltage across the resister of another circuit. Unfortunately both circuits by default use the same ground reference, so I am unable to simulate it.

    8 votes
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  12. Option to not overwrite the original circuit.

    please add a radio button in the app settings to NOT automatically overwrite the original circuit. I know its functionality is in the history button BUT if you accidentally hit done all changes overwrite the original circuit which could be unwanted during prototyping. Thanks.

    8 votes
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  13. enable the speaker device to write audio files

    enable the speaker device to write audio files and the microphone device to read them.

    8 votes
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  14. Preset and Clear on flip-flops

    7 votes
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    under review  ·  3 comments  ·  Admin →
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  15. Phototransistor Element

    7 votes
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    under review  ·  5 comments  ·  Admin →
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  16. Maybe option to choose op-amp type ?

    I'm not sure about this one and I may be running into the limits of the program. I tried making a triangle-square wave generator using 3 op-amps - op1 is integrator with 100nf feedback, op2 is comparator with positive feedback (a voltage divider or a pot), and op3 is an inverter with output back to the input of op1. All resistors are 10kohm. 15V is assumed for all op-amps. I should be getting a triangle at op1 out and square wave at the other two. I'm not seeing this at all on the scope. Maybe the op-amp is 'too perfect'…

    7 votes
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    under review  ·  2 comments  ·  Admin →
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  17. Convert to PCB artwork

    7 votes
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  18. Add optoisolators

    Optoisolators are missing components.

    7 votes
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  19. RMS Readings

    I would like to see an option in settings that makes the displays over wires show RMS readings instead of true readings. When you are building an AC circuit at 120vRMS and 60Hz, the readings are essentially useless unless you are using the meter. Even if you have the frequency low enough to be able to read the numbers, you still can't tell what the effective voltage is.

    7 votes
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  20. Overload and Overcurrent devices

    Maybe add some overcurrent and overload devices such as fuses, circuit breakers, GFCIs, AFCIs, and surge arrestors. Safety is always important!

    7 votes
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