Is the a bidirectional connection?

General • Asked 11 months ago by Cupid Stunt

I'm trying to simulate a specific ram chip, but it uses bidirectional data pins. So far as I can tell there are input and output pins, but no way to combine them.

Copy a circuit from one project to another

Feedback • Asked 1 hour ago by Bruce Bergdahl

Is it possible to use or copy a subcircuit from one project for use in another? I'm looking to create a library of circuit as modules for various projects.

How do I implement a ring osclllator ?

General • Asked 22 days ago by Laurent

I tried having a constant (1) going into an AND gate, then a NOT with a cycle. The simulator complains heavily and I don't have any waveform coming out showing the expected oscillation. This is wha...

Project not allowing me to edit or download it

General • Asked a minute ago by sa

I was working on an online project the last couple of days and today when I try to log in back it just gives me the blue saving icon indefinitely, not allowing me to edit/download/save/ or do anyth...

Is there a way to use CircuitVerse on a portable device (touch screen)?

General • Asked 9 months ago by PRL

This may have been asked before… I want to use CircuitVerse on my iPad. I’m able to select elements and drop them onto the grid, but so far I can’t figure out how to do any of the “drag and dr...

load a project saved online

General • Asked 1 hour ago by Jacques Roth

I saved my project online, cannot find a way to load it. How do I load it?

How do I get a truth table automatically generated from a schematic I enter?

General • Asked 1 hour ago by JM

Having the tool generate a complete truth table for a schematic I have entered

What is going on with these XOR gates?

General • Asked 12 minutes ago by Bruno Krugel

Comparing 32-bit values with bitwise XOR is resulting in undefined bits.

How do I use the Force Gate?

General • Asked 9 months ago by Antrotherkus

Under the "Misc" tab, there is an item called the Force Gate. It's tooltip says "ForceGate Selected." which doesn't help. I am confused as to how to use the Force Gate, and it doesn't seem to be do...

How do I drag select on some of my circuit

General • Asked 16 minutes ago by BenL

I want to select multiple components, but not select the whole circuit, so I can drag those components somewhere else or copy and paste them. Can I do this some how?

How do I increase value on a single value

General • Asked 24 minutes ago by Andrew

Please help with this issue

required assistant

General • Asked 1 minute ago by АНДРЕЙ

to throw off from your mail who wants to help

Is it possible to get the Clock faster than 50ms?

General • Asked 22 days ago by Belinus

Is it possible to get the Clock faster than 50ms? i found a way to double its speed up to 25ms but thats still too slow for my needs. Thanks for reading


Feedback • Asked 1 minute ago by b


Truth table

General • Asked a minute ago by O.Webster

How do i generate a truth table?

Need help

General • Asked 6 minutes ago by Rajesh R

I am not able to join the elements in the circuit what am I supposed to do now?

Why I am not?

General • Asked 7 minutes ago by Rajesh R

Why I am not able to connect the wires

Problem with simple circuit getting "stack overflow"

General • Asked 14 minutes ago by Kurt Zierhut

I have a simple circuit using some latches and tri-state drivers. On one clock, I get a stack overflow message but it is not obvious why. The fault occurs when the WR input is manually toggled fr...

TestBench (link broken?)

General • Asked 1 year ago by stu

The link appears to be broken (I get a 404 error). Where can I find the test data generator, or at least a description of how to build a JSON file to load into a...

How do I flip (mirror) a circuit that I made?

General • Asked 3 months ago by SeldomRa

Is there a way to flip or reverse the direction of an entire circuit? I want to be able to flip it horizontally.

selecting some of items

General • Asked 3 months ago by James

How do i select group of items with out selecting all of them, thanks.


General • Asked 7 days ago by jayagopika

how can I avoid the bitwidth error?

Is this an input?

General • Asked 2 months ago by Adam John Parkin

So the timer is not in the input menu on CircuitVerse but, I created an alarm circuit where the timer goes on/off every 400ms, this is just to cause blinking LEDs (for effect) to show the alarm has...

How do I delay clock?

General • Asked 2 months ago by PPK

I want to have 2 different clock with one being slightly more delayed than other. I tried delay setting but it didn't do anything.


General • Asked a minute ago by jayagopika

what is e0432?



General • Asked 1 month ago by Rahul Khatikmare



How do I share a design?

General • Asked 1 day ago by Cherrice Traver

How can share a project with students so they can add it to their workspace and modify it?


Contention Error in Encoder

General • Asked 21 minutes ago by Sergei Bondarenko

I have encoder: When it starts with some kind of non-zero input, it's fine. But if you zero out all t...


Is there a way to communicate with other users?

General • Asked 20 hours ago by Jean-Paul PETILLON

Hello, Public circuits are a source of inspiration. Sometimes we would like to chat with the designer. Is it possible? Thank you JP


Verilog issues

Feedback • Asked 7 months ago by Jorge Eduardo Ibarra Esquer

Is there any page where you discuss the Verilog limitations, bugs, errors, etc. in CircuitVerse or any kind of documentation on the language?