r/robotics

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About r/robotics

A subreddit for discussing all types of robotics. If you are a hobbyist, student, or professional, this is the place for you!

The community at a glance

r/robotics is a Subreddit for Hardware and Robotics Enthusiasts with roughly 331K members. It uses a forum format for communication. It is the 4th largest community in the Robotics topic page and the 6th largest community in the Hardware topic page.

Roughly 49K members have joined in the past year. Popular discussion topics include Robotics, Robot, and Ai. Common discussion themes are Solution Requests and Ideas. Product recommendations often mention robotic arm, robot kit, and motor.

On Reddit
331K Members

Community Topics

Community Features

Forum

This community has a forum

Subreddit Analysis

via GummySearch
Yearly: +49K members
Growth: +17.5% / year

Member growth over time

All time (yearly)

  • 2013: 6K members
  • 2014: 7K members
  • 2015: 6K members
  • 2016: 7K members
  • 2017: 10K members
  • 2018: 17K members
  • 2019: 37K members
  • 2020: 31K members
  • 2021: 35K members
  • 2023: 52K members
  • 2024: 36K members
  • 2025: 54K members
  • 2026: 20K members

Past year (monthly)

  • Jul: 4K members
  • Aug: 5K members
  • Sep: 5K members
  • Oct: 5K members
  • Nov: 5K members
  • Dec: 4K members
  • Jan: 4K members
  • Feb: 3K members
  • Mar: 3K members
  • Apr: 4K members
  • May: 4K members
  • Jun: 2K members

Themes

  • Solution Requests
    3 posts in the past month
    1. After a 2-year journey, my friend and I built 'TARANG' - a real-time Sign Language Translator powered by a Raspberry Pi 5. It uses MediaPipe for hand tracking and runs the ML model completely offline.
    2. DToF LiDAR Obstacle Avoidance System for LIMO Robot
    3. Looking for a use-case provider for EU funded JARVIS open call
    #1
    Solution Requests
    After a 2-year journey, my friend and I built 'TARANG' - a real-time Sign Language Translator powered by a Raspberry Pi 5. It uses MediaPipe for hand tracking and runs the ML model completely offline. · DToF LiDAR Obstacle Avoidance System for LIMO Robot · Looking for a use-case provider for EU funded JARVIS open call
    3
  • Ideas
    2 posts in the past month
    1. You helped me name my last robot, Arctos, and you didn't disappoint! Now I need your help naming this new AGV. I will use the comment with the most upvotes.
    2. How a Differential Wrist Joint Works
    #2
    Ideas
    You helped me name my last robot, Arctos, and you didn't disappoint! Now I need your help naming this new AGV. I will use the comment with the most upvotes. · How a Differential Wrist Joint Works
    2
  • Advice Requests
    2 posts in the past month
    1. Closed out the "expression engine" phase on my open-source companion robot — voice, synced head/ear motion, and a beating-heart display. Looking for feedback.
    2. Need some help figuring out gait mechanics and servo torque
    #3
    Advice Requests
    Closed out the "expression engine" phase on my open-source companion robot — voice, synced head/ear motion, and a beating-heart display. Looking for feedback. · Need some help figuring out gait mechanics and servo torque
    2
  • Pain & Anger
    1 post in the past month
    1. Can this make lerobt data collection and preprocessing a little less painful?
    #4
    Pain & Anger
    Can this make lerobt data collection and preprocessing a little less painful?
    1
  • Self-Promotion
    1 post in the past month
    1. Made an Open-Source 3D Printed Mobile Robotics Manipulator! 4WD Differential Drive and a Robot Arm with 5 Degrees of Freedom.
    #5
    Self-Promotion
    Made an Open-Source 3D Printed Mobile Robotics Manipulator! 4WD Differential Drive and a Robot Arm with 5 Degrees of Freedom.
    1

Topics

  • Robotics
    136 posts in the past month
    1. Beni from Mondo Robotics
    2. Made an Open-Source 3D Printed Mobile Robotics Manipulator! 4WD Differential Drive and a Robot Arm with 5 Degrees of Freedom.
    3. Building a Tiny CAN-Enabled Zone Controller for Mobile Robotics & Automation.
    #1
    Robotics
    Beni from Mondo Robotics · Made an Open-Source 3D Printed Mobile Robotics Manipulator! 4WD Differential Drive and a Robot Arm with 5 Degrees of Freedom. · Building a Tiny CAN-Enabled Zone Controller for Mobile Robotics & Automation.
    136
  • Robot
    97 posts in the past month
    1. Look at the little robot I build!
    2. Virus-inspired robot with 20 legs and eyes, built to move and see in any direction
    3. (Mostly) 3D printed robot arm project
    #2
    Robot
    Look at the little robot I build! · Virus-inspired robot with 20 legs and eyes, built to move and see in any direction · (Mostly) 3D printed robot arm project
    97
  • Ai
    48 posts in the past month
    1. AI agent deployed on Robotic Air Hockey Table
    2. Sony AI’s Ace robot defeats pro Miyuu Kihara under official ITTF rules (Nature paper)
    3. Why Physical AI May Not Scale Like Language Models
    #3
    Ai
    AI agent deployed on Robotic Air Hockey Table · Sony AI’s Ace robot defeats pro Miyuu Kihara under official ITTF rules (Nature paper) · Why Physical AI May Not Scale Like Language Models
    48
  • Struggling With Robotics
    17 posts in the past month
    #4
    Struggling With Robotics
    17
  • Hard Time
    14 posts in the past month
    #5
    Hard Time
    14

Flair

  • Community Showcase
    105 posts in the past month
    1. I'm a high schooler who made a 3d LiDAR scanner!
    2. Stairs are hard — part 2
    3. AI agent deployed on Robotic Air Hockey Table
    #1
    Community Showcase
    I'm a high schooler who made a 3d LiDAR scanner! · Stairs are hard — part 2 · AI agent deployed on Robotic Air Hockey Table
    105
  • Discussion & Curiosity
    29 posts in the past month
    1. An armed quadruped robot designed for military operations. from China
    2. 3 Robots, 6 Arms ,Perfectly Synchronized Pick-and-Place Automation
    3. Hypnotic Multi-Axis Robotics by KUKA
    #2
    Discussion & Curiosity
    An armed quadruped robot designed for military operations. from China · 3 Robots, 6 Arms ,Perfectly Synchronized Pick-and-Place Automation · Hypnotic Multi-Axis Robotics by KUKA
    29
  • News
    24 posts in the past month
    1. Human beats F.03: F.03: 12,732 packages (2.83 seconds/package) - Aime: 12,924 packages (2.79 seconds/package)
    2. Boston Dynamics Atlas hauling a 50 lb mini-fridge
    3. Sony AI’s Ace robot defeats pro Miyuu Kihara under official ITTF rules (Nature paper)
    #3
    News
    Human beats F.03: F.03: 12,732 packages (2.83 seconds/package) - Aime: 12,924 packages (2.79 seconds/package) · Boston Dynamics Atlas hauling a 50 lb mini-fridge · Sony AI’s Ace robot defeats pro Miyuu Kihara under official ITTF rules (Nature paper)
    24
  • Perception & Localization
    9 posts in the past month
    1. test the stereo depth, only-vision
    2. Point-to-point navigation and obstacle avoidance by the slam camera
    3. Xiaomi LDS02RR with Raspberry Pi 5 using lds2d Python library
    #4
    Perception & Localization
    test the stereo depth, only-vision · Point-to-point navigation and obstacle avoidance by the slam camera · Xiaomi LDS02RR with Raspberry Pi 5 using lds2d Python library
    9
  • Controls Engineering
    6 posts in the past month
    1. Would you consider this dexterous hand highly dexterous？
    2. (Mostly) 3D printed robot arm project
    3. The Next-Gen Professional Bionic Dexterous Hand
    #5
    Controls Engineering
    Would you consider this dexterous hand highly dexterous？ · (Mostly) 3D printed robot arm project · The Next-Gen Professional Bionic Dexterous Hand
    6

Product recommendations

  • robotic arm
    5 posts in the past month
    1. Can someone recommend a robotic arm build for a beginner? Detail in comments
    2. Can someone recommend a robotic arm build for a beginner? Detail in comments
    3. Can anyone recommend the fastest robot arm they've seen? I'm looking to find the fastest for under $2000.
    #1
    robotic arm
    Can someone recommend a robotic arm build for a beginner? Detail in comments · Can someone recommend a robotic arm build for a beginner? Detail in comments · Can anyone recommend the fastest robot arm they've seen? I'm looking to find the fastest for under $2000.
    5
  • robot kit
    4 posts in the past month
    1. Recommend a self-assembly robot kit for a student
    2. Recommend a self-assembly robot kit for a student
    3. Recommend a self-assembly robot kit for a student
    #2
    robot kit
    Recommend a self-assembly robot kit for a student · Recommend a self-assembly robot kit for a student · Recommend a self-assembly robot kit for a student
    4
  • motor
    4 posts in the past month
    1. what is your recommended battery to supply a 12v dc motor 775 gear motor for my battlebot, is it recommended to use 14.8v and step it down or just use an 11.1v
    2. Please recommend a BLDC motor
    3. Recommended motors for bipedal robots?
    #3
    motor
    what is your recommended battery to supply a 12v dc motor 775 gear motor for my battlebot, is it recommended to use 14.8v and step it down or just use an 11.1v · Please recommend a BLDC motor · Recommended motors for bipedal robots?
    4
  • software
    3 posts in the past month
    1. Recommend software for multi robotic arms simulation
    2. Which software would you recommend for a third semester Engineering student?
    3. Beginner here, what software would you recommend I should start with?
    #4
    software
    Recommend software for multi robotic arms simulation · Which software would you recommend for a third semester Engineering student? · Beginner here, what software would you recommend I should start with?
    3
  • battery
    2 posts in the past month
    1. what is your recommended battery to supply a 12v dc motor 775 gear motor for my battlebot, is it recommended to use 14.8v and step it down or just use an 11.1v
    2. what kind of battery would you recommend for this kind of servo for a sumo bot? we’re currently coming up with our design for our sumo bot but we’re thinking about using this servo for an attack mechanism but we need a better battery, any suggestions ?
    #5
    battery
    what is your recommended battery to supply a 12v dc motor 775 gear motor for my battlebot, is it recommended to use 14.8v and step it down or just use an 11.1v · what kind of battery would you recommend for this kind of servo for a sumo bot? we’re currently coming up with our design for our sumo bot but we’re thinking about using this servo for an attack mechanism but we need a better battery, any suggestions ?
    2
View full analysis on GummySearchSynced 6/22/2026

Frequently asked questions

Who is r/robotics for?
Best for Hardware and Robotics Enthusiasts enthusiasts looking for a Reddit-based community with forum discussion.
Is r/robotics free to join?
This listing is not marked as paid-only. Access rules and any fees are decided by the community.
How many members does r/robotics have?
Roughly 331K members, based on figures reported by the community or its host. Member counts are approximate and change over time.
What platform is r/robotics on?
r/robotics runs on Reddit. Reddit communities (or "subreddits") are forum-based groups on the popular social news aggregation, web content rating, and discussion website Reddit. Reddit is commonly known as "the front page of the internet". Users submit content to the site such as links, text posts, and images, which are then voted up or down and discussed by other members. From investing Reddit communities, to professional ones, to ones just for laughs, you're likely to find a community for you on Reddit.
What topics does r/robotics cover?
On the Hive Index, r/robotics is organized under Hardware, Robotics Enthusiasts.
How do I join r/robotics?
You can join r/robotics by clicking this link, or pressing the "Go to community" button above.
What are the Hardware communities like?
Communities for hardware engineers, electronics hobbyists, and embedded systems developers. Discord and Reddit host communities for Arduino, Raspberry Pi, PCB design, and DIY electronics, alongside more professional spaces for engineers working on commercial hardware products.
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Added 4/17/2026

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