PWM Slider icon PWM Slider — Slider to set EZ-B digital PWM for motor speed or LED brightness; shows duty-cycle, stop button, and board/port selection. Try it →

Robot Building Community

Share robot projects, ask ARC programming questions and learn from other builders. Browse tutorials, Robot Skills, example programs and community discussions.

ARC Pro
Learn More
Upgrade to ARC Pro
ARC Pro is your passport to a world of endless possibilities in robot programming, waiting for you to explore.
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
Dual Camera Servo Server by Synthiam Inc.
Featured
Dual Camera Servo Server

Dual-camera server with servo control for stereo VR; includes C# test app and Unity (Oculus Quest 2) bindings for headset, hands and controllers

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
Initial Servo Motion At Program Start

Initial Servo Motion At Program Start

Hi all, basic software (BLOCKLY) for my 1 m insect is now ready for operation. Was surprisingly simple when using a strict hierarchic structure of...
question

Default File Storage Address For BLOCKLY Files

Hi DJ, just a brief question: How can I change the default file address for storing / loading BLOCKLY files within ARC ? I need to store and load them in / from my central server, since - over the time - I am working on three different computers and always updating new software versions on these three plus the server is simply a time consuming mess...
Audio
For ARC
Sound Script (Ezb)
By Synthiam

Sound Script (Ezb) v3

Trigger a script when EZB audio plays, exposing live Min, Max and Avg audio-level variables for looped monitoring; stops when audio ends.
question

Sharp Radar NMS Support

Is it possible, to add to the sharp IR radar or collision at tab, the Navigation Messaging System - send ping results like you did for the ultrasonic distance? thanks EzAng
question
How To Submit Forum Contributions With Figures (Showing Own Robot)

How To Submit Forum Contributions With Figures (Showing Own Robot)

Hi DJ, is there an option to submit forum contributions including figures / images ?...
question

Detailed Explanation Of BLOCKLY Commands

Hi - short question: Is there a glossary for BLOCKLY commands ? Most are easy to identify, but e.g. what is the difference between the ADC command and the ADC12 command ? A survey for all BLOCKLY commands would be very helpful. Earlier I was programming OZOBOT EVOs, using OZOBLOCKLY and - I must admit - that they are offering a very good online...
question
Mobile App Features

Mobile App Features

Has there been any progress on enabling Speech Recognition and Camera Object Detection with the Mobile App? For one of my robots, I cannot use an Android device with the Mobile App...
question

EZ-Robot HDD Servo Mount Size

I know the EZ-Robot HDD servo is sold by EZ-Robot and not Synthiam. Also sorry for the misguided post category. However I know there are many people on this forum that have the answer to this question. I'm hoping for a quick answer as I need to plan parts and expenses of a project.  Are the mounting holes on the EZ-Robot HDD Servo the same as a...
live hack
ESP32 Connect To ARC

ESP32 Connect To ARC

Turn an ESP32 Doit DevKit v1 into an EZ-B for Synthiam ARC to control servos, speech-triggered motion, and view ADC and digital IO graphs.
release
ARC 2021.01.06.00 (Pro)

ARC 2021.01.06.00 (Pro)

Allow unlimited strings in Wait for Speech JavaScript; speech window auto-resizes by word count; bookmarks link to Getting Started
question
Wait For Speech Window Size

Wait For Speech Window Size

Is it possible to set the wait for speech window size, using Script or other means?
question

Is Arc For Raspberry Pi Gone?

I have a working Pi with Mono installed and I am able to run the server for EZB but I want Arc instead.  I found this article referring to it going missing before. https://synthiam.com/Community/Questions/Fresh-download-of-ARC-mono-is-out-of-date-beta-19447 I began here, https://synthiam.com/Community/Tutorials/Raspberry-Pi-EZ-Builder-18621,...