Movement Script icon Movement Script Trigger direction-specific scripts when ARC movement panels change; assign scripts per direction/stop, access direction and speed (JS/Python/EZ). Try it →

Robot Building Questions

ARC Pro
Learn More
Upgrade to ARC Pro
ARC Pro is more than a tool; it's a creative playground for robot enthusiasts, where you can turn your wildest ideas into reality.
Power Up Your Scripts with AI
Describe what you want — get working robot code. The project-aware AI Script Assistant built into ARC.
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.
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
Autonomous AI by Synthiam Inc.
Featured
Autonomous AI

Autonomous AI robot agent with vision, speech, motion, animations, memory, and multi-step task execution driven by LLMs.

New Friend For Jd, Lita My Humanoid Robot Made From Water Pipe Pvc And Scraps by EricEZ
Featured
Robot By Ericez

Building a DIY humanoid JD robot with ez developer using PVC pipes and scrap parts while awaiting gearbox replacement on a Wall‑E robot

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

Ezb V4 Red Light Flashing And Saying Left

Hello Everyone, my Ezb v4 recently has been flashing red while connected to ARC and saying "LEFT". I have tried disconnecting and connecting again a few times, it stops then comes back. Still runs scripts just fine, but not sure what im missing. Any help is appreciated Thanks
question

Assembly Instructions

Step 1 of the instructions cover connecting the H-Bridge to the digital ports, but make no mention of which pin of the three pins per port (Black, Red, White) to connect to nor do they mention the red/black pair connection. The next lesson describes in detail how to make all these connections. Shouldn't the "Connecting Roli's Motors (H-Bridge)...
question

Video Camera Image Quality

I carefully removed the protective plastic yet the image looks unfocused, even at 640*480
question

Getpwm Returning 0

I want to return the value from D1 and D0 whilst tracking an object, i'm using the GetPWM command but only ever get a "0" returned. Am i missing something? ControlCommand("Camera", CameraColorTrackingEnable) :TrackingLoop $head0=GetPWM( D0 ) $head1=GetPWM( D1 ) print($head0) print($head1) sleep(1000) Goto(TrackingLoop)
question
Can We Buy An Ezb Camera With A White Lens?

Can We Buy An Ezb Camera With A White Lens?

The black plastic around the lens of my EZB motion tracing camera is an eyesore on my white robot. Also, it is only 640x480. I assume...
question

Myo Ware Muscle Sensor

could anyone explain to me how i would go about hooking up this sensor in attached link to the ezb and control the movement of servos with it. Thanks in advance myo sensor
question
Wall-E.Again

Wall-E.Again

Hello, So, I'm sure you have received this message a thousand times but I'm going to be 1001 haha. My name is Jake and I have a 6 year old. He is SUPER into Wall-E - but also how Wall-E works. He...
question

Just Published My First Wheel Tutorial

Hey guys, first one is up! Next, I'm doing one using more advanced tools, mainly a router. This one will probably take me a few days too. Let me know if you think this is useful, or I need to clarify anything. I didn't get to do any action shots because I work by myself while the wife is at school.
question

Roboclaw, Packet Serial Mode With Crc/ How To Execute Cyclic Script In Moble App

Hi, 1. did anybody already implement the Packet Serial Mode with CRC into EZB script? before I start to translate...........maybe someone did already the work ;-) roboclaw manual: CRC16 Checksum Calculation Roboclaw uses a CRC(Cyclic Redundancy Check) to validate each packet it receives. This is more complex than a simple checksum but prevents...
question
Hc-Sr04 Ultrasonic Distance Sensor

Hc-Sr04 Ultrasonic Distance Sensor

does the HC-SR04 Ultrasonic Distance Sensor that came with the v3 developer kit work with the v4 or does it need a voltage regulator
question

New Member With Wheel Building Question

Hey folks! Used to try to build bots when I was a kid. I had a few successes, but mostly kludged up messes. Anyway, my wife bought me a few books because I am now disabled and can't work anymore. Hips and back are degenerating. I am building a mix of a bot from a few different books, and some of the parts I want to make myself. I want to build the...
question

Controlling I-Robot Create 2 With ARC Roomba Movement Panel?

I disconnected the servo from D0 on my Adventure Bot and connected GND on D0 (Black Pins) to Pin 6 on Create 2 connector (GND)-(Pin 7 also a GND pin on Roomba). I connected D0 Output (White Pins) to pin 3 on Roomba (Receive Pin). The Create 2 communicates at 115K Baud as does the newer Roombas. I tried checking the "use old protocol" and...