SSC-32 Servo Controller V2 icon SSC-32 Servo Controller V2 Bridge ARC to Lynxmotion SSC-32: maps V0-V31 to SSC-32 channels for reliable, high-performance serial control via USB, EZB/Arduino UART. Try it →

Robot Building Questions

ARC Pro
Learn More
Upgrade to ARC Pro
Stay at the forefront of robot programming innovation with ARC Pro, ensuring your robot is always equipped with the latest advancements.
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
IFTTT Sender by faengelm
Featured
IFTTT Sender

Send web-triggered IFTTT events from ARC/EZ-B: configure Maker Webhooks key and trigger applets to control SmartThings, WeMo and other services.

Luxor Cab as seen in Back to the Future 2 - Animatronic by Buratino
Featured
Robot By Buratino

Luxor Cab BTTF2 replica: 3D-printed, CAD-refined Citroën Pallas model with servo-driven landing gear, integrated LEDs and EZ-Builder control.

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

EZ-B Connection Disconnection Issue

In a separate thread, I've discussed the disconnection issues I'm experiencing between the ARC software and my new V4/2 EZ-B. The connection drops occur approximately every 2 to 5 hours. Upon reviewing the Debug log in ARC, I've noticed the following log entries: Attempting connection on COM4 Connected to COM4 at 256000 Reports EZB v4 OS With Comm...
question

EZB Connections Controlcommand Support Query

I have a question regarding the EZB Connections robot skill in Synthiam ARC. Does this skill support the use of ControlCommand within scripts? I noticed there is no list of available ControlCommands under the Cheat Sheet section of the script tab. Would appreciate some guidance.
question
Cannot Find Stress Test Skill

Cannot Find Stress Test Skill

I would like to use this stress test but it is not showing up in the add new robot skill.  I am running the latest version of ARC.  Am I looking in the wrong...
question

Smooth Playback For C-3PO Animations

I am working on my C-3PO head again this year, trying to bring it back to life with holiday songs. I'm using the Sound Servo and Soundboard V4 features in Synthiam's ARC software to animate the head while Star Wars-themed Christmas music plays. The sound file is being played through a speaker located inside the C-3PO head. However, I am...
question

Reducing Speech Recognition Latency Tips

I am currently using the "Bing Speech Recognition" skill in the Synthiam ARC environment and am looking for ways to reduce the latency between when speech input ends and when the text is processed and available. At the moment, there's approximately a 7-second delay when utilizing a "max recording length" of 5 seconds. I am...
question

Using USB Camera With ARC

Good afternoon, Is it possible to use a USB camera with Synthiam's ARC software? If it is indeed possible, could you please guide me on where I might locate the necessary drivers or software required for the camera's operation within ARC? Kind regards, Phil
question

EZB Version Number Discrepancy

I have a question regarding the "EZB Stress Test" robot skill. I noticed in recent updates that this skill now reports the connected EZB's version number. I am currently testing a new EZB using this skill, which I recently purchased. Upon connection and initiating the skill, the reported version is "V4 x/1." However, the labels...
question

Obtaining Openai API Key Guidance

I'm attempting to get the Autonomous AI Skill functioning within Synthiam ARC. I understand that I'll need an API key from OpenAI, but I'm unsure of the exact process or what specific type of key to request. Could someone guide me on how to properly obtain and set up this API key for use with the Autonomous AI Skill?
question

Drone Camera Connection Error

How can I add the camera when using the AR Parrot Drone Robot Skill in Synthiam ARC? I am currently facing an issue with the "AR Parrot Drone Movement" skill. Whenever I try to activate the drone's camera, I encounter an error message indicating that the camera device is not found. Below is the detailed exception information for further...
question

Error Loading Cefsharp.Core.Runtime.Dll

I encountered an unexpected message on my laptop when attempting to run the latest version of ARC (version 12.30). The previous version, 12.29, worked without any issues. Can anyone help clarify what's happening here? Error Details: - Timestamp: 2025-12-09 13:14:58 UTC - ARC Version: 2025.12.03.00 - Operating System Version: Microsoft Windows NT...
question
Fixing Speech Recognition Error

Fixing Speech Recognition Error

I encountered an error today within Synthiam ARC when attempting to open the Speech Recognition control. The error message began with: "Voice recognition...
question

Map Loading And Wavefront Inquiry

, Do we currently need to manually load an occupancy grid or map into the Synthiam ARC software, and if so, what is the procedure for doing this? I have noticed that the robot skill does not have a settings user interface, as the 3-dot menu doesn’t open any configuration options. Additionally, is the Wavefront robot skill fully developed and...