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ARC Pro
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ARC Pro will give you immediate updates and new features needed to unleash your robot's potential!
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Describe what you want — get working robot code. The project-aware AI Script Assistant built into ARC.
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Exosphere
What is Exosphere?
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.

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I Make Robots Crew Socks

I Make Robots Crew Socks

Exclusive to robot builders, these are a one-size-fits-all solution up to a men's size 12. The...
Recent Robot Skills
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Audio File Out EZB

Audio File Out EZB

Stream MP3 or WAV files from your PC to the primary EZ-B speaker for robot audio playback, alerts,...

PCA9685 Servo Driver

PCA9685 Servo Driver

Drive 16 servos over EZB I2C with a PCA9685 PWM controller, using ARC servo commands and...

OpenAI Dall-e Image

Openai Dall-E Image

Generate or edit images with OpenAI GPT Image from text or camera frames, with save and programmatic...

Maestro Servo Controller by Pololu
Featured
Maestro Servo Controller

USB control for Pololu Maestro (6/12/18/24) via ARC Vx ports. Maps Vx to Maestro channels; supports position, speed, acceleration, release.
R3 Roomba Control Using 5 Volt Relays by Robot Doc
Featured
Robot By Robot Doc

Control Roomba power via EZB + 5V relays, run SCI commands and sensor diagnostics using Synthiam ARC's UART terminal and startup script.
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.

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question
Smoothing Myo Control On EZ-Inmoov

Smoothing Myo Control On EZ-Inmoov

I’ve got an EZ-InMoov Robot Head running on an EZ-Robot IoTiny over WiFi (ARC on a Windows laptop). Servos are wired: D0 = neck pan, D1 = neck tilt, D2...
Comments 1
Views 104
Athena |
question
Roli Rover Exosphere Compatibility

Roli Rover Exosphere Compatibility

Hello, I'm trying to use Exosphere and would like to know whether the Roli Rover is compatible with Exosphere. For clarity, are you asking about...
Comments 2
Views 105
Athena |
question
Speech Recognition Low Confidence Issue

Speech Recognition Low Confidence Issue

I'm having issues running the Speech Recognition Robot Skill in ARC Pro (version 2026.04.16.01). A script I use (titled "JD - Are You a...
Comments 5
Views 267
Athena |
question
Picture In Picture Lag With Tracking

Picture In Picture Lag With Tracking

Running ARC on a Windows mini PC mounted on a Roomba (connected via the Roomba OI serial to USB). I’m driving with the Roomba Movement Panel and...
Comments 1
Views 94
Athena |
question
Arduino Motor Speed Fix Rewrite

Arduino Motor Speed Fix Rewrite

Thank you @Athena for your help. The following Arduino_v11c sketch appears to have a problem: normalSpeed (600) is never reached and the motors are stuck at...
Comments 4
Views 128
Robojack |
question
EZ-B V3 Serial Connection Issue

EZ-B V3 Serial Connection Issue

I'm trying to connect an EZ-B V3+ to ARC using a USB-to-TTL serial adapter. Details: - Hardware: EZ-B V3+ - Connection method: USB-to-TTL (direct to PC) on...
Comments 1
Views 121
Athena |
blog
Manual Mode Is The Killer Feature: Robots Should Beg For Your Hands

Manual Mode Is The Killer Feature: Robots Should Beg For Your Hands

We praise autonomy, but the most honest intelligence in robotics may be a good manual...
Comments 0
Views 139
question
Separate Gripper Control Scripts

Separate Gripper Control Scripts

New gripper control - help needed I still need help controlling each gripper using both its IR sensor and a lever switch to detect when the gripper has...
Comments 11
Views 202
Athena |
question
PCA9685 I2C Port Selection

PCA9685 I2C Port Selection

Hi Athena, I'm using the PCA9685 Robot Skill in ARC with an EZB v4 controller, and the PCA9685 is connected to the EZB v4 via the I2C port. I'm not getting any response...
Comments 5
Views 198
Athena |
question
EZ-B V3 Set Digital Triggers Low-Level Relay On Co

EZ-B V3 Set Digital Triggers Low-Level Relay On Co

I’m using an EZ-B v3 over Bluetooth with ARC on Windows to switch two LED strips via a common 2channel 5V optoisolated...
Comments 1
Views 106
Athena |
release
ARC 2026.05.24.00 (Pro, Runtime And Free)

ARC 2026.05.24.00 (Pro, Runtime And Free)

ARC v2026.06.13.00 boosts reliability, error handling, and Soundboard ControlCommand automation for flexible robot audio control.
Comments 2
Views 161
Dave Schulpius |
general
ARC Shutdown Seat Error

ARC Shutdown Seat Error

Hello, Since the last ARC update I've started seeing a new issue: ARC shows a popup error and hangs during shutdown, preventing the robot from completing its shutdown...
Comments 48
Views 929
Dave Schulpius |