r/TechDIY
7k members
r/TechDIY is a subreddit with 7k members. The most common kinds of discussions are solution requests and ideas, 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
Solution Requests
: "Magic Mirror with Source code"
23 posts
#2
Ideas
: "Guy makes attachment for arm prosthesis to control synth directly with impulses from his muscles"
17 posts
#3
Self-Promotion
: "I made an app that converts any wired PC controller into a wireless one using an Android device that supports USB OTG! The app is called Wiredless and was just published to the Google Play Store!"
6 posts
#4
Advice Requests
: "If you are someone who works on computers a lot, be it for playing games, college work, or for programming, efficiency is called for! In this tutorial, I'll show you how you can boost your productivity by creating a macro keyboard using Arduino & do tasks with just single button presses!"
5 posts
#5
Pain & Anger
: "Our air conditioning is broken, so I had to improvise..."
2 posts
Popular Topics in r/TechDIY
#1
Diy
: "My Diy Smart Lamp, made with a simple Yeelight bulb"
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
: "Looking to add USB ports to a Raspberry Pi but all the ports I found are incased in plastic. How do I make a port similar to the one in the pic, is there naked usb hubs available?"
12 posts
#7
Led
: "Check my DIY 8X8X8 Led CUBE"
10 posts
#8
Robot
: "How I Created an Arduino DIY Robot - Controlled by Hand Gestures (Also passes CAPTCHA)"
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 a automatic sliding glass door from a old car window motor"
14 posts
Member Growth in r/TechDIY
Yearly
+584 members(9.0%)
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r/raspberryDIY
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About
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This page gives a focused view of r/TechDIY, including current member size, discussion patterns, product reviews, and related communities to explore.
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Last updated: September 11, 2026