Remote UI Client icon Remote UI Client PC Remote UI Client for ARC enables remote robot control via customizable multi-page interfaces from other ARC instances. Try it →

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Robot Sticker

Robot Sticker

People know your robot is capable when they see it is powered by Synthiam. These stickers are heavy...
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PWM Servo Feedback (ADC) by Synthiam
Featured
PWM Servo Feedback (ADC)

Add ADC positional feedback to hobby PWM servos via minor mod to EZ-B/Arduino; enables real-time position readout, calibration and puppet mirroring

Using Exec() Commands To Help Make A Game by Steve G
Featured
Robot By Steve G

Synthiam ARC lets K-9 play Rock Paper Scissors via speech recognition and Exec() scripts displaying images; includes scripting tips

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question
Usb To Serial Connection Camera Option

Usb To Serial Connection Camera Option

With the option to use the EZB in serial to USB you lose the option for the camera since the connections use the camera port. Is it possible to...
question
EZ-B V4 Units Troubleshooting

EZ-B V4 Units Troubleshooting

I have two older EZ-B v4 units that are causing problems. I don’t use them regularly-only occasionally for testing. i made 2,3 reset on both EZBs.  I’ve included...
Servo
Inverse Kinematic Arm
By Synthiam

Inverse Kinematic Arm v12

Control robot arms with inverse and forward kinematics, converting X/Y/Z positions into joint motion and reporting end-effector location.
question
Soundboard Volume Zero Issue

Soundboard Volume Zero Issue

I have a question about the ARC robot skill SoundBoard (EZB). Why can't the volume go to zero anymore? I'm not sure when this changed, but it seems the soundboard...
blog
The First Bias You Ship Is A Voice

The First Bias You Ship Is A Voice

Robots don’t just speak-they set expectations. The accent, pace, and tone you choose shape trust, speed, and even ethics. Here’s why voice is your...
general
Request For Promotional Material

Request For Promotional Material

I will be exhibiting at a Robotics Expo next month with all my robots programmed using ARC. I need a handout for visitors to take away-a document that...
release
ARC 2026.04.11.00 (Pro, Runtime And Free)

ARC 2026.04.11.00 (Pro, Runtime And Free)

Synthiam ARC update: improved stability, smarter EZ-B emulator, Blockly crash fixes, real-time boot logs, UI polish and expanded education...
question
Requesting Video For Inverse Kinematic Arm

Requesting Video For Inverse Kinematic Arm

I have a question about the ARC Robot Skill called Inverse Kinematic Arm. Is there any video available that demonstrates this skill? I...
firmware
Esp32plus Firmware
For Esp32 Hardware

Esp32plus Firmware v4

ESP32Plus for Synthiam ARC enables ESP32 robot control with audio streaming, ESP32-CAM passthrough, PCA9685 16-servo I2C control and UART...
Servo
PCA9685 Servo Driver
By Synthiam Inc

PCA9685 Servo Driver v2

Convert an EZB I2C bus into a 16-channel PCA9685 servo controller, exposing V0..V15 with hardware-timed PWM, external power and chainable...
release

ARC-Lite Beta Release (2026.04.11.00) Windows/Android/Chromebook

Help icon jumps to relevant help, safer crash recovery, script editor fixed, servo positions visible, camera only if present, robot ports in JS/Python
Navigation
Rplidar
By Slamtec

Rplidar v28

Slamtec Lidar driver for ARC; scans 360 and publishes distance data to NMS for mapping, obstacle avoidance, and navigation.