Virtual Robot icon Virtual Robot Display robot image with real-time servo position readouts and basic servo management including servo deletion Try it →

Robot Building Questions

ARC Pro
Learn More
Upgrade to ARC Pro
Experience the transformation – subscribe to Synthiam ARC Pro and watch your robot evolve into a marvel of innovation and intelligence.
Power Up Your Scripts with AI
Describe what you want — get working robot code. The project-aware AI Script Assistant built into ARC.
Synthiam Credit
Log In
Earn synthiam credit to lower synthiam product costs
Earn Free Credit
Share your robots, answer questions, and help others — earn credit toward ARC Pro, AI credits, and robot swag.
Remote control robots or add telepresence capabilities with Exosphere

Drive Real Robots, Anywhere

Remotely operate robots around the world or add live telepresence to your own build — straight from your browser.

Discover Exosphere
iRobot Roomba Movement Panel by iRobot
Featured
Irobot Roomba Movement Panel

Control Roomba/Create via ARC: drive, stream sensors, read encoders, configure COM/HW UART, and send pose to NMS for mapping/navigation.

Resistance Is Futile 7 Of 9 Borg From Star Trek, My Recreation by Steve S
Featured
Robot By Steve S

Borg-inspired 7 Star Trek robot with fiberglass body, moving DIY eye, green-tinted plasma disc, EZ Robot camera, lotiny and micro servos.

Community

Join the Synthiam Robotics Community

Connect with thousands of robot builders, educators, and engineers. Share projects, get answers, and learn to build smarter robots with ARC.

  • ✓ Showcase your robots & projects
  • ✓ Get help from experienced builders
  • ✓ Earn credit toward Synthiam products
Create Your Free Account Log In
question
Movement Tracking Not Working

Movement Tracking Not Working

Hello, I have a n issue that I recently ran into and was wondering if anyone had any suggestions on how to fix it. I've been working with my Revolution Roli robot...
question

Problem With ARC Mobile App Latest Version

I just downloaded the latest version (v2021.05.20.00) of the mobile app to one of my tablets. None of my installed robot apps are appearing. They are still there in the ARC/My Projects directory but don't show up as installed. I downloaded a test project from the Cloud and it seems to store it somewhere else. Do you know what is going on here?
question
Loomo Segway Support?

Loomo Segway Support?

HI, Just found you guys, Love it! Any Chance Loomo Segway works with ARC? Update: I know I posted the question without good information of what I am attempting.  My final goal is...
question
Auidio Toolbox Plugin And Soundservopc Speaker Control

Auidio Toolbox Plugin And Soundservopc Speaker Control

Has anyone come across this problem. If I use the AudioToolbox plugin to add more voices to my project...
question

UART Javascript Help

While programming a little bit of this and that over the years and understanding the concepts of programming, I'm actually not that well-practiced. Syntax and nuances usually get me. I have gone over the Javascript UART section up and down but couldn't find the answers I was looking for. While doing some UART Javascript code, sending a packet of...
question

PWM Frequency Range

What is the default PWM frequency of the EZ-B v4, and is it adjustable? I'm sorry; I should been more precise in my question. Here is what I do know; In a conventional analog servo motor a PWM signal with a period of 20 ms is used to control the motors. A signal of 20 ms has a frequency of 50 Hz. The width of the pulse is varied between 1 and 2 ms...
question
How To Send JSON & Set Header Request On Net.Httppost() Method?

How To Send JSON & Set Header Request On Net.Httppost() Method?

Hi everyone, I'm using Net.hTTPPost(url, postData) method on ARC script (JavaScript). I've...
question

ADC Port Script Help

I'm trying to create a script with a loop for my Wall.E. to monitor two button sensors wired to the ADC0 via resistors on an ioTiny.  I want my script to continuously loop and if either ADC value range is encountered a specific sound file will play.   The script behavior that I get that I don't want is, which ever button I press, I then I have to...
question
The Future Of Robots?

The Future Of Robots?

Well......Elon is at it again..this time creating something he is scared of...robots. You can even tell in his presentation how uncomfortable he is. And yet here we are. $100,000...
question

Mobile Code (Interface Help)

I have found the mobile version of ARC and found out that i can't run anything, for it says i need to have at least one mobile interface... i can run my sounds, but not my scripts or servo pads, what am I missing? How do i make or chose something as a mobile interface... i am hoping i can run my scripts
question

Accessing More Board Indexes

How do I access more board indexes other than the first five? I've seen somewhere that 256 were available and have looked around but can't find a way to do it ?
question

Camera Control Error: System.Nullreferenceexception:

@DJ I get this repeating error message when I use object recognition and the smart variable watcher at the same time? Camera: Camera Control Error: System.NullReferenceException: Object reference not set to an instance of an object. at System.Windows.Forms.Control.MarshaledInvoke(Control caller, Delegate method, Object[] args, Boolean synchronous)...