Translate icon Translate Translate text via Microsoft Translator (auto-detect); EZ-B plugin stores translated and detected language variables. Requires Azure key. 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
Wowwee MIP v2 by Wowwee
Featured
Wowwee MIP V2

UART interface to hack WowWee MIP with ESP32/ESP32‑Cam or EZ‑B v4 for ARC; hardware UART preferred, configurable power and baud 9600/115200

Dude (another Inmoov) by kazobond
Featured
Robot By Kazobond

Power Inmoov with a portable LiPo JumpStart and dual Castle BEC-Pro regulators (7.4V & 6.0V) to match EZB-V4 servos, lightweight with speaker ears.

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

Handling Weather Script Connection Errors

I have a JavaScript in ARC that go onto the Internet and retrieves a full weather report from a Weather service, parses information out of the returned file and has the robot speak the information For Example: A section of my ARC Setup INT script will set the  variable $OutsideTemp to "1" and then a ControlCommand will start a separate...
question
3D Print Jd Head

3D Print Jd Head

hi has anyone printed a jd head?my question is ,how do you print the head on the printbed? thank you
question

Firmware Update Compilation Error

I just downloaded the newest firmware 1/25/2025 from today and I get the following error on compiling: C:\Users\User\Downloads\EZ-ESP32-CAM (1)\EZ-ESP32-CAM\EZ-ESP32-CAM.ino: In function 'void doEZProtocol()': C:\Users\User\Downloads\EZ-ESP32-CAM (1)\EZ-ESP32-CAM\EZ-ESP32-CAM.ino:820:15: error: 'class HardwareSerial' has no member named...
question

Batch File Automation For ARC Connection

Hello [Synthiam Community or ], I am currently working on automating a project launch using startup scripts and have encountered an issue. My goal is to launch a project via a batch file instead of using the Windows Startup folder. Here's the project setup: When I manually open the project in Synthiam ARC and click 'Connect' (with an IoTiny...
question
Help With EZ-Script Coding

Help With EZ-Script Coding

I'm working on a project with my EZ-B v4, and I need some assistance with coding the GetDigital command. My aim is to use pin D22 as an input pin to receive a high/low...
question

Integrating DIY Mars Rover Components

Hello, Athena! I am in the process of building a Mars rover prototype, which features six DC motors and six servos, much like the design of NASA's Perseverance rover. Each wheel of the rover is equipped with a servo for directional steering control. I'm thinking of using an IO Tiny combined with a PCA9685 servo driver to manage the servos. For the...
question
Seeking Advice On ESP32 Boards

Seeking Advice On ESP32 Boards

Hi All, I'm not very familiar with the capabilities and power of ESP32 boards, and I could use some advice. I'm seeking recommendations for the best ESP32 board...
question
How To Have Roli Pickup An Object

How To Have Roli Pickup An Object

Hello, Is there a script or set of instructions available for creating a project that incorporates robot skills for a platform similar to Roli?...
question

Self-Contained Offline Robotics Systems

Are there any robotic systems designed to be completely self-contained and operate offline? I am interested in building an animatronic robot capable of engaging in interactive and realistic conversations using strictly Edge AI technology. My goal is to avoid any ongoing API fees associated with cloud-based services. Has anyone successfully...
question

Mac Support

Before I purchase ARC Pro, I need to know if it will run on my MacBook, which uses the M3 Pro chip. I currently run ARC on my Intel-based MacBook. Will ARC be compatible with the M3 Pro MacBook?
question

Iotiny Controller Servo PWM Issue

Hello Roboteers, I'm currently working with some minibots, and I have an idea involving the IoTiny controller, which has 7 ports-just enough for the servos. I'm planning to use port D0 for controlling the head with an LED. However, I've encountered an interesting issue: the servo's neutral position is 90 degrees, but at this point, the PWM signal...
question

Handling Global Variable To Continue Loop

Hello, I need some help with JavaScript in ARC robotics programming. I have a script that runs perfectly but requires an adjustment to handle exceptions without stopping entirely. Here’s a summary of how the script currently operates: - The script loops every 15 minutes (900,000 milliseconds). - It uses ControlCommand to start three separate...