Directory
Browse the community registry
Every entry is an invite-only room you can read for free. Filter by topic and platform, then use a free account to open the door.
Category
r/embedded
This sub is dedicated to discussion and questions about embedded systems: "a controller programmed and controlled by a real-time operating system (RTOS) with a dedicated function within a larger mechanical or electrical system, often with real-time computing constraints."
LEGO Mindstorms & FIRST LEGO League
A Facebook community for LEGO Mindstorms builders, FIRST LEGO League participants, and kids and adults who love building and programming robots with LEGO bricks.
Raspberry Pi Forums
The official Raspberry Pi community forums.
r/UAV
Reddit community for unmanned aerial vehicle (UAV) professionals and enthusiasts.
Robotics & IoT Developers
A Telegram channel and group for robotics and IoT developers.
Arduino Forum
The official Arduino community forum where makers, students, and professionals discuss Arduino projects, get help with code, and share ideas about hardware and electronics.
Hackster
A community dedicated to learning hardware.
Softer Hardware
Softer Hardware is an exclusive community for mechanical engineers, hardware founders and experts to help each other face professional challenges.
r/PLC
This sub is dedicated to discussion and questions about Programmable Logic Controllers (PLCs): "an industrial digital computer that has been ruggedized and adapted for the control of manufacturing processes, such as assembly lines, robotic devices, or any activity that requires high reliability, ease of programming, and process fault diagnosis."
r/drones
/r/drones is a subreddit for aerial drone enthusiasts, focusing on consumer, commercial, and FPV drones.
Hardware Theory
Join Hardware Theory to discuss the latest in IoT, robotics, 3D printing, and everything else hardware.
Open Compute Project
Open Compute Project (OCP) aims to develop open hardware solutions for data centers.
Chief Delphi
ChiefDelphi.com is the premiere online community for FIRST Robotics Competition (FRC) teams.
r/arduino
An unofficial place for all things Arduino!
r/raspberry_pi
The Raspberry Pi subreddit!
Robotics and Automation Community
A Facebook group for hobbyists, students, and professionals interested in robotics and automation.
r/Battlebots
/r/battlebots is a reddit community for fans of robot combat.
r/FRC
Reddit's home for the FIRST Robotics Competition!
r/buildapc
Planning on building a computer but need some advice?
1 Bit Squared
Our mission here at 1BitSquared is to create, manufacture and sell open-source hardware that is made for and together with the open-source hardware community.
r/hardware
r/hardware is a place for quality computer hardware news, reviews, and intelligent discussion.
r/CNC
For anything CNC related: CAD, CAM, automation, and more!
FIRST Robotics Discord
The unofficial Discord server for FIRST Robotics Competition (FRC) teams.
r/robotics
A subreddit for discussing all types of robotics.