Dynamixel icon Dynamixel — Open-source ARC plugin to control Robotis Dynamixel servos (XL-320, AX-12, XL430) via EZ-B, Arduino or Robotis. Supports position, speed, accel. Try it →

Robot Programming Questions and ARC Help

Get help with ARC scripts, Robot Skills, hardware connections and robot behavior. Browse questions and answers from the Synthiam community.

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question
Camera Overlay Not Reading JS Variable

Camera Overlay Not Reading JS Variable

I’m building a simple pan camera rig on an EZ-B IoTiny (WiFi) with a single MG996R on D0, plus Camera Device for video. I want the Camera...
question
Arcx Bing Speech Recognition Support

Arcx Bing Speech Recognition Support

My current ARC project uses the Bing Speech Recognition Robot Skill to let me talk to my robot. It currently only triggers scripts to run when it...
question
Running Bot Libre With AR Drone

Running Bot Libre With AR Drone

I’m trying to fly an AR Parrot Drone from ARC while also using the Bot Libre robot skill for voice/chat commands, and I’m running into a networking wall....
question
PWM Servo Feedback Jitter On EZ-B V4

PWM Servo Feedback Jitter On EZ-B V4

I’m adding positional feedback to a pan/tilt rig on an EZ-B v4 over WiFi and using the PWM Servo Feedback (ADC) Robot Skill to read a modified...
question
Android Stream To Live Stream Receiver

Android Stream To Live Stream Receiver

Running ARC on a Windows laptop with a Roli Rover (EZ-B v4 over WiFi). I’ve got two Continuous Servo skills mapped to D0 (left track) and D1...
question
Remote Mouse Mapping With Dual Monitors

Remote Mouse Mapping With Dual Monitors

I’m using a Six Hexapod (EZ-Robot) connected over WiFi to ARC on a Windows laptop, and trying to drive the PC cursor with the Remote Mouse...
question
Sharp IR On ESP32 Noisy Readings

Sharp IR On ESP32 Noisy Readings

I’m trying to use a Sharp GP2Y0A21YK IR sensor on an ESP32 DevKitC (WiFi) to stop my little 2WD rover before it kisses a wall. In ARC I’m connected to the...
question
Trouble Using Arduinocoms I2C With Six

Trouble Using Arduinocoms I2C With Six

I’m adding an Arduino Nano as an I2C co-processor on my EZ-Robot Six Hexapod to offload a couple of distance sensors and some gait math. The...
question
Autonomous Ai Skill Base Domain Issue

Autonomous Ai Skill Base Domain Issue

I'm working with the Autonomous AI Robot Skill in ARC and would like feedback from Synthiam support. Problem summary: - I have Qwen3 VL 30B...
question
Script Collection Startup Timing On Raspberry Pi

Script Collection Startup Timing On Raspberry Pi

ARC is auto-starting on a Raspberry Pi 4 (Windows installed, WiFi) that’s the brain of a small rover. The Pi talks over WiFi...
question
Arcx Digital Monitor For Buttons

Arcx Digital Monitor For Buttons

Will this skill work with momentary pushbuttons? I'm currently using all of the ADC ports on my EZB to monitor many momentary buttons on my robot; I trigger...
question
ESP32-CAM Servo Pins And Virtual Robot

ESP32-CAM Servo Pins And Virtual Robot

Using an AI-Thinker ESP32-CAM flashed with the Synthiam ESP32-CAM firmware (Client mode), ARC connects fine and the Camera Device skill streams...