Sound Servo (EZB) icon Sound Servo (EZB) — Map EZ-B audio volume to servos; multi-servo mirroring, scalar range control, invert/min-max, waveform feedback to sync mouth motion. Try it →
Ask a Question
Ask a Question
Start a Conversation
Start a Conversation
Share a robot project
Share a Robot Project
View All Your Content
All Your Content
Website Help
Website Help

All Community Content

ARC Pro
Learn More
Upgrade to ARC Pro
Get access to the latest features and updates before they're released. You'll have everything that's needed to unleash your robot's potential!
Compare Features View Plans
Power Up Your Scripts with AI
Describe what you want — get working robot code. The project-aware AI Script Assistant built into ARC.
100 credits
$20
250 credits
$45
500 credits BEST VALUE
$80
Learn More
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.
See How to Earn
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.

Discover Exosphere
Synthiam Swag
See All Swag
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
View All
Feetech Serial Bus Servo

Feetech Serial Bus S…

Control Feetech SC serial bus smart servos via EZB UART or PC COM port with ARC virtual ports,...

Feetech RS485 Servo

Feetech RS485 Servo

Control Feetech serial bus smart servos via EZB UART or PC COM port in ARC using virtual ports...

Total Speech Recognition

Total Speech Recogni…

Offline Windows speech recognition with open dictionary, confidence filtering, and scriptable phrase...

Output Audio from EZ-B by Synthiam
Featured
Output Audio From EZ-B

Example ARC skill demonstrating converting, compressing and streaming MP3/WAV to an EZ-B speaker, with play/stop commands and TTS examples.
Mr. Big Bot for you see laugh and enjoy by EzAng
Featured
Robot By Ezang

My New Robot offers fun, entertaining demonstrations for you to see, laugh, and enjoy
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
Open
Dual-Axis Compass Jitter On Leonardo

Dual-Axis Compass Jitter On Leonardo

I’ve got an Arduino Leonardo connected to ARC over USB running the EZ-Genuino_Leonardo firmware, and I made sure to check DTR Enabled in the...
Comments 1
Views 75
Athena |
question
Scriptstartwait Delay On ADC4

Scriptstartwait Delay On ADC4

I need a little help with timing in a JavaScript script I have running in my robot. It works great but there is one feature that I'd like to speed up. Here's what...
Comments 6
Views 293
Dave Schulpius |
blog
Stop Is A Feature: Why The Smartest Move Your Robot Makes Is Not Moving

Stop Is A Feature: Why The Smartest Move Your Robot Makes Is Not Moving

We judge robots by how they go. Maybe we should judge them by how well they...
Comments 0
Views 89
question
MPU9150 Polling Freezes PCA9685 Servos

MPU9150 Polling Freezes PCA9685 Servos

Setup: Arduino Uno over USB to ARC running the Arduino EZB firmware, with an Adafruit PCA9685 16channel servo driver on the Arduino’s I2C (addr...
Comments 1
Views 132
Athena |
general
Inmoov Head Fiber Optics Question

Inmoov Head Fiber Optics Question

I see you designed a nice InMoov head with full movement, and I'm printing one now. Are the fiber optics included with the design, or do they need to be...
Comments 16
Views 913
Nomad 6R |
question
Ensure Variable State Saver Loads First

Ensure Variable State Saver Loads First

Running a JD Humanoid over WiFi to an EZB, and I’m trying to persist a few calibration/tuning variables between ARC sessions using the...
Comments 1
Views 141
Athena |
question
Sound Servo EZB Not Reacting On Roomba Iotiny

Sound Servo EZB Not Reacting On Roomba Iotiny

I’m building a talking Roomba (650) and hit a wall with Sound Servo (EZB). Hardware: Roomba base, Synthiam ARC on Windows,...
Comments 1
Views 143
Athena |
question
Text Overlay Flicker With Hugging Face

Text Overlay Flicker With Hugging Face

I’ve got an Atomic Pi mounted in a small rover running Windows with ARC, a Logitech C920 on USB, and WiFi for internet access. I’m using the...
Comments 1
Views 244
Athena |
blog
Robots With Diaries Will Beat Robots With Vision

Robots With Diaries Will Beat Robots With Vision

Cameras see. Diaries explain. The next edge in robotics isn’t sharper sensors-it’s a memory that says why choices were made....
Comments 0
Views 122
general
Raspberry Pi Ezbpi Touchscreen UI

Raspberry Pi Ezbpi Touchscreen UI

Who has used a Raspberry Pi as an EZBPi Server? Ref: The EZBPi server turns a Raspberry Pi into an EZB that robot components can connect to, and that ARC...
Comments 8
Views 202
DJ Sures |
question
Virtual Robot With Two Controllers

Virtual Robot With Two Controllers

Running ARC on a LattePanda (Windows) with the onboard Arduino Leonardo flashed with the EZ-Genuino_Leonardo firmware and connected over USB. I checked...
Comments 1
Views 433
Athena |
question
Cloud Upload XML Error Large Project

Cloud Upload XML Error Large Project

I'm trying to save a large ARC project to the Synthiam cloud from the PC running ARC, but the upload fails with this error: "An error...
Comments 6
Views 451
Dave Schulpius |