Ultrasonic Collision Detection icon Ultrasonic Collision Detection Stops robot movement (no steering) when an EZB-connected ultrasonic sensor detects an object within a set range; integrates with scripting and paused polling. Try it →

Robot Building Questions

ARC Pro
Learn More
Upgrade to ARC Pro
Harnessing the power of ARC Pro, your robot can be more than just a simple automated machine.
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
NMS Faux Odometry by Synthiam
Featured
NMS Faux Odometry

Estimate pose odometry from movement distance for robots without encoders, calibrated by speed. Suited for DIY navigation; pose drifts with lidar.

3D printed AdventureBot by itsmeintorre
Featured
Robot By Itsmeintorre

3D-printed AdventureBot built from 'bare' STL files with Ender3, EZBv4, 360deg servos, custom inner-tube treads; PLA prints, proven power tests.

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

Motor Gripper Constant Servo Noise

I have two of the servo grippers with the mini servos. When I first power up the EZB the servos make no noise. After telling the servo to go to a position the servo moves to the position and stops but keeps making a high pitched hum as if the servo is still trying to move. This occurs no matter what position it moves to. My other servos for example...
question

Change Layout Of The Moblie App From Within ARC

Good Afternoon, I have a question if the community doesn't mind. I would like to change the layout of the Mobile Page based upon scrips from within ARC. For instance, if my robot has to make a decision and it needs your help to make it, but the mobile interface currently only has two script buttons to press, is there a way to add another? (I hope I...
question

Communicating With A Dynamixel Servo

Today is the first time I really had a chance to play with the EZB-4. I've connected a Dynamixel servos and had mixed results. The resolution is 0 to 170 but the servos are unresponsive from 81 to 89 for some reason. I tried communicating with the servos with EZ script using UART 2 with no luck. I'm using the communication protocol for the servos....
question
Trouble With Sound Servo

Trouble With Sound Servo

Hello, Back after some absence. I'm having trouble with my EZBv4 and getting sound servo to work with the latest version on EZB Builder. Sound servo (PC) crashes the EZB...
question

Uart Compass

Hi Guys, I want to hook up my Sure Compass to UART and the manual says to send all commands in ASCII. I know how to convert text to ASCII but I am stumped as to how to put it into the UART commands in ARC script. Has anyone done this? I have seen and read the info on I2C in reference to the Compass but can't find anything on using UART. Manual
question

Working With Nomad18.08 On Getting His Ez-B V4 On The Network

I am typing this for patrick because english is my primary language and I have been working with him. He has a JD and another EZ-B v4. One of the two is able to connect to his network without any issue now, but one of them is having an issue connecting in AP mode. We cant connect via wifi from either of 2 computers to this one EZ-B v4. There is one...
question

Relays Or Switches?

Hi All. I'm trying to decide how to best activate a couple things on my robot build (full sized K-9 in my avatar). I need to turn on a laser pointer. I'm thinking a pico switch would work. https://www.dimensionengineering.com/products/picoswitch Is there a more direct solution with the EZ B (I'll be upgrading to v4 soon)? --- Also, I need to move a...
question
Inside The Revolution Digital Camera

Inside The Revolution Digital Camera

The decision to take the camera apart is due to the fact that the 6 conductor ribbon cable is too short to allow the camera to be mounted where I...
question

Communicate Between An Ez-B And An Arduino Board

Does anyone have experience and know which way is the easiest to communicate between an EZ-b and an Arduino board? I see there is I2C, UART, serial etc. I hope someone know the easiest so I gain from your knowledge. Thanks
question

Ez Robots Revolution - News From Mommy Today Magazine

fyi everyone... www.mommytodaymagazine.com/toys/ez-robots/ j
question
Griple-3D-Printed-Cleaning-Robot

Griple-3D-Printed-Cleaning-Robot

www.3ders.org/articles/20141001-enhanced-robotic-cleaning-with-a-low-cost-3d-printed-grip.html j
question

How To Properly Use The Project Configure Function

I have been trying to figure out how to use the project configure control. I need some help please. 1 what does load do in configure. doesn't the calibration get saved when I save a project" 2 I need to calibrate each end of the servo travel or just the middle or 90 position displayed? 3 how do I save each end and middle cal points? 4 what...