Wheel Encoder Counter icon Wheel Encoder Counter Arduino UNO wheel encoder: reads left/right ticks, provides counts, configurable ticks, wheel & pivot sizes, optional pose telemetry to ARC NMS. Try it →

Robot Building Questions

ARC Pro
Learn More
Upgrade to ARC Pro
Unleash your creativity with the power of easy robot programming using Synthiam ARC Pro
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
EZB Stress Test by Synthiam Inc.
Featured
EZB Stress Test

Stress-tests EZ-B controllers (UART, ADC, voltage, temp, audio, digital I/O) to detect disconnects, corruption and stability issues.

Lieutenant Commander Data by robotdude
Featured
Robot By Robotdude

Data replica entertains ReStoring Data clients in Vancouver - head/arm SM-S8166M servos on EZB, face/motion tracking, jokes and command responses.

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
A Very Roli Christmas

A Very Roli Christmas

I wonder what's in here.. After a bit of hassle with the delivery guy I was finally able to pay the import duties and pick up my Roli Looks like it's already been opened,...
question
Auto Positioner

Auto Positioner

Hi, I am still very new to all this but have actually learned how to use Auto Positioner to open and close my robotic hand, using just two frames. I have been trying to now make my robotic...
question

Synthiam Code Object Dropping Square Brackets With An I Inside?

The Synthiam code object is interpreting square brackets [ i ] with an i inside as something else if you don't have any spaces. If you include the spaces then it seems to work. It seems to be the website input in general and not just the code object.   But when in a code object it should not change the code if  For example if I have  if...
question

Up Board - Accessibility Of Pinouts With ARC

Hi, I have a question concerning the Up Board (it is more and more difficult to resist to this one). Are the pinouts of the Up board accessible with ARC (like an EZB)? I have noticed that there is 40 of them, including UART, and it would be really cool if it was possible to connect the Roomba directly to the Up Board and control it with the the...
question

Saving To Cloud

What does the following error message mean? I get this message when trying to save my project to the Cloud. My file size is 55Mb whereas Cloud file size limit is 64Mb I thought. The request failed with HTTP status 413: Request entity too large.
question

What To Skip If Any In Lessons

Hello All, So I am new to robot programming but have recently completed an Inmoov build. My ultimate goal is to eventually create a few different custom robots from scratch. I purchased a JD Robot to learn on before taking a chance on damaging my Inmoov. When I visit the LEARN section on the EZ-Robot website I see there are lessons using...
question

ARC Iraspbian Compatibility?

Would ARC run on iraspbian? https://boingboing.net/2020/05/18/raspberry-pi-operating-system.html https://raspbian-x.com/
question
Why Won't My Batteries Connect?

Why Won't My Batteries Connect?

I'm sorry if this question sounds really stupid, but I am so lost it's not even funny. The tutorials recommend that rechargeable batteries be used to power...
question

Strange Issue With File.Appendstring

Hi, I have a very strange issue with File.AppendString. I have a very simple python script to write a text in a file: file = "C:\Users\FredWin\Documents\ARC\Scripts\ten.txt" File.Delete(file) File.AppendString(file, "text") but it returns me Start Caractères non conformes dans le chemin d'accès. Done...
question

What Ports Do I Plug A Ultrasonic Distance Sensor Into?

I have an ultrasonic distance sensor from maybe 2014 or 2015 it has 4 wires, what ports do I plug the sires into?
question

Adc Value To Servo Movement

Hi all. I am trying to get my ADC values to move a normal servo. In this project a potentiometer will move a normal servo as in if at 2.5v the servo is centre. If 0v it will move to 1 if 5v it will move to 50 and so on. Please bare in mind I do hard ware, coding even in this simple way is tough for me. Thanks all. Matt
question
RGB Animator Working Now With New Version?

RGB Animator Working Now With New Version?

Not working? Now it works,  Thanks -  EzAng