PWM Servo Feedback (I2c) icon PWM Servo Feedback (I2c) Real-time servo position input via Arduino ADC over I2C; supports Nano (6 channels) or Mega (16), configurable I2C address and scalable chaining. Try it →

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Remote control robots or add telepresence capabilities with Exosphere
Dynamixel by Robotis
Featured
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.

Meet Pinhead! by Troy
Featured
Robot By Troy

Concept model scale mismatch: stacked components and an overly long neck.

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question
Micro:Bit Buttons Driving Tic Tac Toe

Micro:Bit Buttons Driving Tic Tac Toe

I’ve got a BBC micro:bit connected to ARC over USB using the BBC micro:bit skill (flashed the firmware from the skill and can see Button A/B and...
question
Safeint And Clampint Explained

Safeint And Clampint Explained

@Athena, can you explain the functions safeInt and clampInt? Why are they used and how can the values be changed? Thanks - Jack. Context: This looks like an ARC...
question
Left Motors Stall Until Scan Request

Left Motors Stall Until Scan Request

@Athena - can you review the Arduino sketch below and explain why the left motors (LeftFront and LeftBack) do not run until...
question
Sound Servo To XL-320 On Darwin Mini

Sound Servo To XL-320 On Darwin Mini

I’m trying to get my ROBOTIS DARWIN MINI (OpenCM9.04, 16x XL-320) to "talk" using the Sound Servo (PC Speaker) skill, but the selected...
question
Dialogflow Driving Sphero Reliably

Dialogflow Driving Sphero Reliably

I’ve got a Sphero (SPRK+) paired over Bluetooth and the Sphero Movement Panel works great for manual driving. I’m now layering in the DialogFlow robot...
question
Global Variables Between Scripts In ARC

Global Variables Between Scripts In ARC

@Athena, can you help me set up global variables in one script (LEG_v6) so they can be read and sent by another script (UART_v6)? Context: I'm...
question
Why Does Speech Recognition Pickup Background Nois…

Why Does Speech Recognition Pickup Background Nois…

One thing I still don't understand: whenever I have the "Speak Rec" Robot Skill operating, it picks up...
question
Obstacle Scan Only Once

Obstacle Scan Only Once

, #include #include static const uint8_t UART_HEADER = 0xA5; // ARC -> Arduinostatic const uint8_t CMD_STOP_MOTORS = 0x01;static const uint8_t CMD_ACTUAL_BEARING =...
release
ARC 2026.05.24.00 (Pro, Runtime And Free)

ARC 2026.05.24.00 (Pro, Runtime And Free)

Synthiam ARC update improves stability, STL loading, camera handling, quieter logs, browser support, and fewer crashes.
general
ARC Startup Error With Chromium Browser

ARC Startup Error With Chromium Browser

I just received this error message after installing the latest version of ARC (the ARC application on my Windows 11 laptop). The error...
general
Restore Inmoov Ear Cutout

Restore Inmoov Ear Cutout

Hi all, Is there anyone who can undo the cutout on an InMoov ear? I mean restoring the 3D model (STL/CAD) rather than repairing a printed part. If you can help, please...
question
Stepper Reset Issue In Arduino Sketch

Stepper Reset Issue In Arduino Sketch

I'm using an Arduino Mega as the hardware controller (acting like an EZB/microcontroller) to provide PWM to four stepper motors via the...