r/TechDIY
7k members
r/TechDIY is a subreddit with 7k members. The most common kinds of discussions are ideas and solution requests, and the community frequently discusses diy, electronics, arduino, 3d printing, and diy projects, and they frequently recommend/review circuit simulator.
Bring DIY to the future and The Internet Of Things!
Show and share your awesome smart DIY projects!
Popular Themes in r/TechDIY
#1
Ideas
: "Fake Window in Basement with LED Plant Growing Lights (X-Post from DIY)"
27 posts
#2
Solution Requests
: "Magic Mirror with Source code"
24 posts
#3
Self-Promotion
: "We Now Have A Subreddit Ad!"
10 posts
#4
Advice Requests
: "How to Make a Raspberry Pi Smart Mirror [x-post /r/DIY]"
5 posts
#5
Pain & Anger
: "Our air conditioning is broken, so I had to improvise..."
2 posts
Popular Topics in r/TechDIY
#1
Diy
: "Fake Window in Basement with LED Plant Growing Lights (X-Post from Diy)"
58 posts
#2
Electronics
: "Need help with figuring out Electronics"
27 posts
#3
Arduino
: "Want to know how to create a physical knob to control your PC's volume? and also easily control apps like Photoshop, Lightroom, Premiere Pro etc with it? In this quick tutorial I'll show you how you can create a knob using an Arduino and Rotary encoder, to control your PC's volume and other apps."
20 posts
#4
3d Printing
: "A Cardboard Ant vs Aggressive Plastic One. Running out of plastics and having to use another material. What do you think, guys?"
13 posts
#5
Diy Projects
: "I made a string art machine"
13 posts
#6
Raspberry Pi
: "Home surveillance and motion detection with the Raspberry Pi, Python, OpenCV, and Dropbox[x-post /r/Raspberry_Pi]"
12 posts
#7
Led
: "DIY Cool Led Mushroom Display."
10 posts
#8
Robot
: "I made a Robot that plays Facebook Messenger Basketball, High Score 99 (code in comments) [Project]"
7 posts
#9
Iot
: "Simple Iot"
7 posts
#10
Monitor
: "I need help looking for a control board for my DIY Monitor"
7 posts
Products Discussed in r/TechDIY
Circuit Simulator
2 reviews
#1
Falstad Circuit Simulator
3.0★ from 1 review
#2
123D Circuits
3.0★ from 1 review
Flair Used in r/TechDIY
#1
User Showcase
: "I made this about a year ago, but it seems to be the kind of thing that might fit in here: The Marvellous Booze Fogger."
16 posts
#2
Share
: "Smart Mirror Project (x-post /r/diy)"
5 posts
#3
Project
: "Creating headphones from .40 shell (x-post /r/LearnUselessTalents)"
4 posts
#4
Promo
: "I made a little boost circuit to get 3.3V or 5V out of a AA battery. It's open source, and also available for preorder."
2 posts
#5
Help
: "Best graphical circuit simulator?"
2 posts
#6
Showcase
: "[Video] Tiny Arduino - Tiny Arcade"
1 post
Member Growth in r/TechDIY
Yearly
+688 members(10.8%)
Similar Subreddits to r/TechDIY
r/ArduinoProjects
205k members
7.2% / yr
r/diyelectronics
393k members
13.9% / yr
r/maker
71k members
50.9% / yr
r/makers
3k members
38.6% / yr
r/raspberryDIY
46k members
28.8% / yr
About
GummySearch helps people research Reddit communities by organizing activity, growth, themes, and post-level signals into one place.
This page gives a focused view of r/TechDIY, including current member size, discussion patterns, product reviews, and related communities to explore.
This data is synced periodically so insights stay current and useful for ongoing research.
Last updated: June 28, 2026