r/robotics

Community Overview
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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 337K members. It uses a forum format for communication. On the Hive Index it ranks #4 in the Hardware communities list and #5 in the Robotics communities list.

Roughly 46K members have joined in the past year. Popular discussion topics include Robot, Struggling With Robotics, and Robotics. Common discussion themes are Advice Requests and Ideas. Product recommendations often mention robotic arm, robot kit, and motor.

On Reddit
337K Members

Community Topics

Community Features

Forum

This community has a forum

Subreddit Analysis

via GummySearch
Yearly: +46K members
Growth: +15.9% / 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: 26K members

Past year (monthly)

  • 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: 3K members
  • Jul: 3K members
  • Aug: 2K members

Themes

  • Advice Requests
    4 posts in the past month
    1. Looking for guidance for building career in robotics
    2. Built a system ID + control design tool over the past year. Need real logged data to break it. Free analysis in return.
    3. [Feedback Request] Master’s Thesis: Edge-Orchestrated Smart Home using ROS 2, MPC, and Micro-PLC architecture
    #1
    Advice Requests
    Looking for guidance for building career in robotics · Built a system ID + control design tool over the past year. Need real logged data to break it. Free analysis in return. · [Feedback Request] Master’s Thesis: Edge-Orchestrated Smart Home using ROS 2, MPC, and Micro-PLC architecture
    4
  • Ideas
    3 posts in the past month
    1. Robotics Project Ideas
    2. Probando con mini músculos neumáticos.
    3. What do you think of my first sketch of a battlebot I might make (antweight)
    #2
    Ideas
    Robotics Project Ideas · Probando con mini músculos neumáticos. · What do you think of my first sketch of a battlebot I might make (antweight)
    3
  • Self-Promotion
    2 posts in the past month
    1. I run a cobot business based out of NYC (UFactory's US office) - AMA
    2. I'm selling a lightning mcqueen
    #3
    Self-Promotion
    I run a cobot business based out of NYC (UFactory's US office) - AMA · I'm selling a lightning mcqueen
    2
  • Solution Requests
    2 posts in the past month
    1. I need video transmission for my rover.
    2. Servo controller suggestions.
    #4
    Solution Requests
    I need video transmission for my rover. · Servo controller suggestions.
    2
  • Opportunities
    1 post in the past month
    1. Looking for Robotics/Mechatronics engineers in Delhi NCR for an automation startup
    #5
    Opportunities
    Looking for Robotics/Mechatronics engineers in Delhi NCR for an automation startup
    1

Topics

  • Robot
    18 posts in the past month
    #1
    Robot
    18
  • Struggling With Robotics
    17 posts in the past month
    #2
    Struggling With Robotics
    17
  • Robotics
    13 posts in the past month
    #3
    Robotics
    13
  • Struggling
    6 posts in the past month
    #4
    Struggling
    6
  • Hate
    5 posts in the past month
    #5
    Hate
    5

Flair

  • Community Showcase
    20 posts in the past month
    1. I tested my robotic lamp’s positioning repeatability -about 0.03 mm average deviation across 10 repetitions
    2. Bro's AI robot switched from basketball mode to reproduction mode
    3. We built a VR teleop setup where you move and our semi-humanoid follows. The interesting part isn't the grab.
    #1
    Community Showcase
    I tested my robotic lamp’s positioning repeatability -about 0.03 mm average deviation across 10 repetitions · Bro's AI robot switched from basketball mode to reproduction mode · We built a VR teleop setup where you move and our semi-humanoid follows. The interesting part isn't the grab.
    20
  • Discussion & Curiosity
    14 posts in the past month
    1. Only 16.8% of humanoids know where their own body is...
    2. Newbie question - differential vs two separated servos
    3. So it's day 2 of making ortomi robot DIY version I have added a happy expression to it hoping it replicates he original ortomi robot
    #2
    Discussion & Curiosity
    Only 16.8% of humanoids know where their own body is... · Newbie question - differential vs two separated servos · So it's day 2 of making ortomi robot DIY version I have added a happy expression to it hoping it replicates he original ortomi robot
    14
  • Tech Question
    8 posts in the past month
    1. I need video transmission for my rover.
    2. Opinion on the Nvidia models compared to pi05?
    3. Eye To Hand pose calibration
    #3
    Tech Question
    I need video transmission for my rover. · Opinion on the Nvidia models compared to pi05? · Eye To Hand pose calibration
    8
  • Mechanical
    7 posts in the past month
    1. Pneumatic gripper.
    2. What’s causing this inward collapse?
    3. First 1lb, uppercutting deep six 2018 style asymmetrical vertical spinner combat robot
    #4
    Mechanical
    Pneumatic gripper. · What’s causing this inward collapse? · First 1lb, uppercutting deep six 2018 style asymmetrical vertical spinner combat robot
    7
  • Electronics & Integration
    6 posts in the past month
    1. Do you guys need custom quick-turn wire harnesses?
    2. Why can a 60cm robot walk and dance so much like a human?
    3. Edge Impulse on ESP32
    #5
    Electronics & Integration
    Do you guys need custom quick-turn wire harnesses? · Why can a 60cm robot walk and dance so much like a human? · Edge Impulse on ESP32
    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 8/9/2026

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 337K 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

Monthly Stats

23
Views /mo
(+53%)
21
Visitors /mo
(+40%)
4
Referrals /mo
(+100%)

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