DJI Tello Movement Panel icon DJI Tello Movement Panel Control DJI Tello from ARC with live camera feed for computer vision tracking; fly via scripts, speech, joysticks, Python, or Exosphere. Try it →

Robot Building Questions

ARC Pro
Learn More
Upgrade to ARC Pro
Take control of your robot's destiny by subscribing to Synthiam ARC Pro, and watch it evolve into a versatile and responsive 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
Sabertooth Movement Panel by Dimension Engineering
Featured
Sabertooth Movement Panel

Sabertooth movement panel: control two motors via Simplified Serial with variable speed sliders, movement buttons, and serial port options.

Let's have some JD robot with Voice Commands by EzAng
Featured
Robot By Ezang

JD robot voice control with left-right head movement for natural, responsive interactions

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
EZ-B Settings Targets Wrong Board

EZ-B Settings Targets Wrong Board

I’ve got an OpenCR 1.0 (Robotis) flashed with DJ’s OpenCR v1 firmware and connected to ARC over USB at 921,600 baud on COM5. That side is solid-servos...
question
Remote Mouse DPI Scaling On Ohmni

Remote Mouse DPI Scaling On Ohmni

I’m running ARC directly on an Ohmnilabs Ohmni telepresence robot (Windows 10 Pro on the UpBoard. I use the Ohmnilabs Standalone movement panel to drive...
question
Atan2 Bearing Geometry Fix

Atan2 Bearing Geometry Fix

Summary: incorporating atan2() geometry @Athena - please review the following Arduino Mega sketch. This sketch implements a UART packet protocol over Serial3 to...
question
Ultrasonic Radar Sweep Spikes On EZ-B V4

Ultrasonic Radar Sweep Spikes On EZ-B V4

I’ve got an EZ-B v4 on my 2WD bot (WiFi client mode), running an HCSR04 on a pan servo and using the Ultrasonic Radar skill to do simple...
question
UART_V6 Subject Line Options:- UART_V6 Waypoint Be…

UART_V6 Subject Line Options:- UART_V6 Waypoint Be…

Hi @Athena, I'm trying to make an ARC UART script that works seamlessly with an Arduino Mega. Both scripts are...
question
Connect By Name On Ohmni Dual NIC

Connect By Name On Ohmni Dual NIC

Hardware/setup: Ohmnilabs Telepresence Robot (Ohmni) running Windows 10 on the onboard UpBoard. I’m using the Ohmnilabs Standalone movement panel to drive...
question
Ultrasonic Radar Left/Right Flipped Lattepanda

Ultrasonic Radar Left/Right Flipped Lattepanda

Running ARC on a LattePanda (Windows 10) using the onboard Arduino Leonardo with the EZ-Genuino_Leonardo firmware (Dec 11,...
question
Vuzix AR Drift On Roli Pan/Tilt

Vuzix AR Drift On Roli Pan/Tilt

I’ve got a Roli Rover (EZ-B v4 over WiFi, client mode) with the EZ-Robot pan/tilt and camera mounted up front (pan on D0, tilt on D1). Camera Device skill is...
question
Tiny Yolo2 Not Triggering Camera Scripts

Tiny Yolo2 Not Triggering Camera Scripts

Working with a ROBOTIS Darwin Mini (OpenCM9.04) connected to ARC by USB (freshly flashed with the ARC-compatible firmware from...
question
Micro:Bit Buttons Driving Tic Tac Toe

Micro:Bit Buttons Driving Tic Tac Toe

I’ve got a BBC micro:bit connected to ARC over USB using the BBC micro:bit skill (flashed the firmware from the skill and can see Button A/B and...
question
Safeint And Clampint Explained

Safeint And Clampint Explained

@Athena, can you explain the functions safeInt and clampInt? Why are they used and how can the values be changed? Thanks - Jack. Context: This looks like an ARC...
question
Left Motors Stall Until Scan Request

Left Motors Stall Until Scan Request

@Athena - can you review the Arduino sketch below and explain why the left motors (LeftFront and LeftBack) do not run until...