Ultrasonic Collision Script icon Ultrasonic Collision Script — Ultrasonic sensor triggers custom script on object detection; configurable interval & min distance, with optional forward-only trigger for navigation. Try it →
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Exosphere
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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...
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Recent Robot Skills
Inverse Kinematic Arm

Inverse Kinematic Ar…

Control robot arms with inverse and forward kinematics, converting X/Y/Z positions into joint motion...

PCA9685 Servo Driver

PCA9685 Servo Driver

Convert an EZB I2C bus into a 16-channel PCA9685 servo controller, exposing V0..V15 with...

RPLidar

Rplidar

Slamtec 360° LiDAR driver: calibrated, offset/rotation-adjusted scans published to ARC NMS for...

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Joystick (XInput) by Synthiam
Featured
Joystick (Xinput)

XInput joystick skill for ARC: maps Xbox controllers to movement, servos, triggers, vibration, variables; supports analog inputs and scripts.
HAL THE ROBOT THAT WALKS AND TALKS by cliffordkoperski
Featured
Robot By Cliffordkoperski

5.5ft humanoid walks, talks-56 servos on 3 EZ‑B v4 boards via WiFi, two batteries, onboard PC; Synthiam ARC scripting & biped gyro control
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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...
Comments 7
Views 111
jp15sil24 |
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.
Comments 35
Views 37 k
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...
Comments 10
Views 184
DJ Sures |
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...
Comments 0
Views 75
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...
Comments 10
Views 207
afcorson |
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...
Comments 3
Views 94
fxrtst |
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...
Comments 12
Views 173
Synthiam Suppo… |
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...
Comments 0
Views 278
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...
Comments 0
Views 950
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
Comments 0
Views 59
Navigation
Rplidar
By Slamtec

Rplidar v28

Slamtec 360 LiDAR driver: calibrated, offset/rotation-adjusted scans published to ARC NMS for real-time mapping and navigation
Comments 43
Views 79 k
Navigation
Hitachi-LG LDS Lidar
By Hitachi

Hitachi-LG LDS Lidar v22

Hitachi-LG LDS 360-degree LiDAR driver streaming scans into ARC NMS for obstacle detection, SLAM use, Arduino hookup, config options and...
Comments 114
Views 82 k