Robot Building Community
Share robot projects, ask ARC programming questions and learn from other builders. Browse tutorials, Robot Skills, example programs and community discussions.
Drive Real Robots, Anywhere
Remotely operate robots around the world or add live telepresence to your own build — straight from your browser.
Discover Exosphere
I Make Robots Crew Socks
Autonomous AI
Autonomous AI robot skill with vision, speech, movement, animations, and self-directed task...
Azure Text To Speech
Azure Text-to-Speech for ARC: generate natural-sounding robot speech with Microsoft Azure voices,...
Exosphere
Telepresence and remote control for any robot with human-assisted tasks, video, audio, and AI...
Rtk Gps
RTK GPS rover/base skill with NTRIP corrections, cm-level pose, heading support, map fusion, and NMS...
Outdoor Navigator
GPS-driven outdoor robot navigation with satellite maps, saved waypoints, zones, no-go areas,...
Bn880 Gps Compass
BN-880 GPS/compass fusion for ARCx: smooth robot pose, heading, and earth-mapped coordinates for...
Smoothly ramps PWM servos on EZB D0-D23 via Vx-to-Dx mapping for natural, gradual motion without snapping.
AWG Wire Thickness Question
Hi roboteers, I have a wire labeled "14 AWG." How do I read the thickness? For example, is 10 AWG thinner or thicker than 14 AWG? This is for a small LED...
18
2 k
ARC Autonomous AI Install Error
Hello, I'm experiencing the following error in Synthiam ARC after installing the Autonomous AI Robot Skill: 'Method not found:...
7
685
When A Servo Says 'Maybe': Uncertainty As A Feature, Not A Bug
Robots that admit "I don’t know" can be safer, easier to build, and oddly charming....
0
465
Servo Ramping Options In ARC
I use the Auto Position robot skill. What is the best way in ARC to ramp a hobby servo up to speed and ramp it down to a stop? I vaguely remember a servo ramping...
6
694
PWM Servo Ramping v1
Smoothly ramps PWM servos on EZB D0-D23 via Vx-to-Dx mapping for natural, gradual motion without snapping.
0
6 k
Politeness Is A PWM Signal: Why The Best Robots Move Slowly On Purpose
Fast robots impress. Slow robots get invited back. Why deliberate motion-down to...
0
660
Digitalwritefast And Arduino Sketch
Hi @Athena, I have a question about the Arduino library "digitalWriteFast.h". Below is an Arduino sketch I would like to use that library...
2
772
UART Byte Array Communication Explained
Hi @Athena, I'm asking about the best way to communicate via UART between an EZB4 (JavaScript running on the EZB) and an Arduino Mega (C++)....
43
5 k
EZ-Inmoov Hand Parts Questions
Building the EZ-InMoov hand - two questions Sorry if this isn't the right place to ask; the "Ask a Question" page wasn't working for me. A bit of...
6
2 k
Autographs In Air: Why Robots Should Sign Their Moves
Robots don’t just move-they leave stories in space. What happens when a machine’s path becomes its signature, and...
0
464
Set Servo Angle In Blockly
Hi - I'm looking for a Blockly block/function in Synthiam ARC that will move a servo to a specific position (set angle). Any help appreciated? For context: I'm using...
1
525
ARC 2026.04.14.01 (Pro, Runtime And Free)
Synthiam ARC delivers tougher, smarter robot control with stability fixes, improved joystick, audio, vision, memory, and clearer...
5
2 k