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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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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Rubik's Cube Solving Robot by ptp
Featured
Rubik's Cube Solving Robot

Control a custom ARC robot to manipulate and solve a Rubik's Cube using calibrated arms and grippers; integrates with Thingiverse build.

My Talking Robot, Lester by OldBotBuilder
Featured
Robot By Oldbotbuilder

Add voice to Robotis Bioloid Lester using an Arduino Mini; expand control with EZ-B v4 WiFi for voice, smartphone commands and EV3 integration.

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blog
Maps Are Opinions: When Your Robot Argues With Your House

Maps Are Opinions: When Your Robot Argues With Your House

Robots don’t see rooms. They vote on them. LiDAR turns your hallway into a debate, not a blueprint. Here’s...
robot
Fxrtst's Mecha Morphix Robot Platform

Fxrtst's Mecha Morphix Robot Platform

Build and program the Mecha Morphix robot head ALAN with hours of 3D printing, assembly, wiring and coding tutorials plus BOM and modular parts.
question
Arduino Serial Communication Troubleshooting

Arduino Serial Communication Troubleshooting

Hi @Athena, I'm using the following code snippet on an Arduino Mega that is communicating via UART with an EZB4: if...
question
Joystick Release Servo Reset

Joystick Release Servo Reset

I have an XInput joystick and four servos connected to an EZB (servos on D12-D15). In my ARC project I’m using the Joystick (XInput) Robot Skill. The left stick...
robot
Fxrtst's Introducing Alan

Fxrtst's Introducing Alan

Build Alan interactive android head: modular, 3D-printed animatronic kit with 2025 video courseware, BOM links, EZB-compatible and upgradeable.
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...