Circuit Builder

Circuit Builder$3.29

Rated 3.69/5 (187) —  Free Android application by LJ Create Ltd

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About Circuit Builder

Circuit Builder is designed to be an introduction to constructing and operating electronic circuits. Intuitive controls and layout make Circuit Builder the perfect App for understanding the basics of electrical and electronic circuits. Circuit Builder has been optimised for use on tablets, but also works well on large screen smart phones.

Build your own virtual circuits using any combination of electrical components.
The easy to use library of components includes batteries, switches, lamps, resistors (fixed and variable), capacitors, fuses, circuit breakers, buzzers, heaters and motors. Connect components using virtual wires to make a circuit. Put the App into operate mode to see it work. You can even use virtual multimeters to measure voltage, current and resistance.

Circuits can be viewed and built in either component or schematic view.

The component library contains the following items:

Batteries*
1.5V, 6V, 9V and 12V

Switches
Push-to-make, Push-to-break, On-Off, 2-position single-pole, 3-position single-pole,
3-position double-pole, Thermal and Relay

Lamps
6V (5W) clear, 12V (10W) clear, 12V (20W) clear, 12V (20W) red, 12V (20W) yellow and 12V (20W) blue

Resistors
10Ω (5W), 50Ω (5W), 100Ω (5W), 500Ω (5W), 1kΩ (5W), 5kΩ (5W) and 10kΩ (5W)

Variable Resistors
10Ω, 25Ω, 50Ω, 100Ω, 1kΩ and 10kΩ

Capacitors*
500μF, 1mF, 5mF, 50mF, 100mF, 500mF and 1F

Fuses
0.5A, 1A, 1.5A, 2A, 3A, 4A, 5A, 7.5A and 10A

Circuit Breakers
0.5A, 1A, 5A and 10A

Miscellaneous
6V Buzzer, 24V Heater (200W) and a 12V Motor (15W)

*Maximum of four batteries and one capacitor per construction.

How to Download / Install

Download and install Circuit Builder version 1.2 on your Android device!
Downloaded 5,000+ times, content rating: Everyone
Android package: air.com.ljcreate.virtualElectricalCircuitsTrainer, download Circuit Builder.apk

All Application Badges

Paid
app
Android
2.2+
For everyone
Android app

App History & Updates

What's Changed
Now fully compatible with Android KitKat (4.4).
More downloads  Circuit Builder reached 5 000 - 10 000 downloads
Price update  Price changed from $1.88 to $3.29.
Price update  Price changed from $2.20 to $1.88.
Price update  Price changed from $2.55 to $2.20.

What are users saying about Circuit Builder

U70%
by U####:

I like the animation of the circuit, the easy to use interface and well explanatory user guide. But it lacks enough components. Components that would be nice to have are ac power source, function generator,diode, transformer, semiconductor, inductor and maybe 555 IC. And why have 5 different values of resistors when you can have the user enter the value of a needed resistor. Also with tolerance so the actual value is unknown. Until measured.

U70%
by U####:

The layout is good but the circuit do sent work

U70%
by U####:

Too bad if you want to design a circuit made of componenents that aren't in this app. Eg, a simple LED lighting circuit can't be modelled unless your light matches one of the ones available in the app.

U70%
by U####:

I love the fancy sound effects and cool circuits, but it lacks things like transistors, diodes, etc. etc. If you made it so 3rd party developers can add their own components, this would be great!

A70%
by A####:

So you have very limmited componants and a nightmare to try and use on a phone

U70%
by U####:

Cant see where to put connections, need more stuff to connect

Z70%
by Z####:

It's great for the basics but it could be so much better and have so many more components and customization

U70%
by U####:

Please add more components...than you!

U70%
by U####:

Nice App . pls Put more Item Amount, ...... like Battery, and Make A simulated solar panel

S70%
by S####:

I like this app alot, it's googd for simulating small circuts.But i would like it more if you were able to add more than one capacitor because i feel abit limited.But its still a great app, great for blowing components up

S70%
by S####:

I like this app because it is very easy to use and the graphics are nicely made. Effects and sounds are a pleasant addition. For example, the lamp blows up if you put a higher voltage than it can take. It is perfect for a beginner in circuit building. Build with no worries and no mess. It works well on Note Edge.

S70%
by S####:

I know it's a basic learning tool. However, I'm in my 3rd year of electronics and there are SO many cool things you can add. Like AC sources, transistors, diodes and inductors. Please add these and I would definitely pay more to get those upgrades.

I70%
by I####:

It's a good app but, I believe it should have more parts and that you can put more than one capacitor. Other than that it a good app; in other words I consider it very simple, mostly because of the price for the app.

S70%
by S####:

Nice. But would be better if there were more components I.e. intergrated circuits and LED's.

Q70%
by Q####:

Love the app but one bug I find is the 12v battery doesn't work so I need to hook up the 6v battery's in parallel

A70%
by A####:

So awesome, you can even make the lights blink like Christmas lights and there are capacitors and resistors and it's great for people who are interested in electronics

S70%
by S####:

Do it to can build bigger circuit (bigger baseplate)

T70%
by T####:

Reading the comments I agree with most people, it needs more components like diodes etc.

J70%
by J####:

It's missing so stuff to electronic components to build stuff am I pay for this ???? Where all the other components

S70%
by S####:

The layout is good but the circuit do sent work

S70%
by S####:

I downloaded this app to have a bit fun. I expected some basic physics in this simulator... In real live, If you put a lamp and a capacitor in series to a dc source the lamp is lightning and fades out because the capacitor is charging so the current gets lower and lower.. In this app, the lamp isn't lightling at all if the capacitor is in series to it. I've decided to refund that app.. Waste of money!!!

E70%
by E####:

Has potentual, good for basics, needs IC's will revisit if more componets are added at the moment not worth it.

S70%
by S####:

If this was free I would not complain but as u pay it sucks. Only very basic components same as voltage sources. A lot of electrical theory is not used such should not need resistor as h wire batteries in parelel to up amperage don't need a resistor as wiring in parelel for batteries

X70%
by X####:

Developer has to think for big integrated circuit.

C70%
by C####:

Need to add solar panels and photo-switches, one way diodes

R70%
by R####:

I am taking the automotive service and repair course and would consider myself to be a novice at best. But it would be extremely nice to have a 12V relay and or more 6V bulb options. Having a 6V relay really limits the uses in a 12V circuit. Please update this app as it has huge potential with just a few more components. Thanks and good luck.

C70%
by C####:

Please add more components...than you!

D70%
by D####:

Needs blocking diodes and one way components like iso caps

X70%
by X####:

If possible, please add the ability to create custom Components. Thank you.

Y70%
by Y####:

Learning is the best. I hope i can understand this.

K70%
by K####:

I like this app alot, it's googd for simulating small circuts.But i would like it more if you were able to add more than one capacitor because i feel abit limited.But its still a great app, great for blowing components up

S70%
by S####:

I like the animation of the circuit, the easy to use interface and well explanatory user guide. But it lacks enough components. Components that would be nice to have are ac power source, function generator,diode, transformer, semiconductor, inductor and maybe 555 IC. And why have 5 different values of resistors when you can have the user enter the value of a needed resistor. Also with tolerance so the actual value is unknown. Until measured.

V70%
by V####:

Good app. No bugs or crashes. Quite easy to use, although would be better with a tablet. Would DEFINITELY benefit from having more components and maybe pre-built circuits (entry-level Elec Eng student here so I could learn a lot from that) Also, online tutorials would be nice. Overall, it's worth £5. Good job.

Y70%
by Y####:

The layout is good but the circuit do sent work

Y70%
by Y####:

I'm trying to add two 12 volt batteries in parallel to simulate a dual battery system for a car / boat but each time I go to activate the system it short circuit's my batteries and the little leads jump off the terminals f the batteries. I'm pretty sure I'm connecting it right. Is the app able to accommodate a dual battery setup. Other than this its a great little tool for little projects.

E70%
by E####:

Could use more resources

Y70%
by Y####:

Needs transistors and ICs

Y70%
by Y####:

For what it is works great, I have had no problems with it. Would like to see more options for components in future, only suggestion.


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Rating Distribution

RATING
3.75
187 users

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