r/synthdiy is a subreddit with 67k members. The community frequently discusses diy, synth, eurorack, modular, and looking for a, and they frequently recommend/review soldering iron, circuit simulator, and microcontroller, and the most common flair used is modular, standalone, components, video, and arduino.
building, modifying and repairing synthesizers
Popular Topics in r/synthdiy
#1
Diy
111 posts
#2
Synth
94 posts
#3
Eurorack
57 posts
#4
Modular
47 posts
#5
Looking For A
40 posts
#6
Midi
39 posts
#7
Circuit
36 posts
#8
Module
32 posts
#9
Pcb
26 posts
#10
Power
22 posts
Products Discussed in r/synthdiy
Soldering Iron
39 reviews
#1
Hakko
4.6★ from 14 reviews
#2
Weller
4.2★ from 6 reviews
#3
Pinecil
4.5★ from 4 reviews
Circuit Simulator
9 reviews
#1
CircuitLab
4.0★ from 3 reviews
#2
LTspice
4.3★ from 3 reviews
#3
Falstad Circuit Simulator
3.5★ from 2 reviews
Microcontroller
8 reviews
#1
Arduino
4.0★ from 2 reviews
#2
Teensy
4.0★ from 2 reviews
#3
Daisy Seed
4.0★ from 1 review
Flair Used in r/synthdiy
#1
modular
: "First module built.."
13 posts
#2
standalone
: "ESP32-S3 Polysynth has some clothes at last!"
11 posts
#3
components
: "Source for organ style rocker switches or something close?"
11 posts
#4
video
: "Demo of my tiny tracker (free iOS app available)"
7 posts
#5
arduino
: "Built a little 4-key piezo midi keyboard"
6 posts
#6
schematics
: "Opto Duet - Two Theremins That Play Each Other"
3 posts
#7
workshop
: "Synth Repair Help!"
1 post
Member Growth in r/synthdiy
Yearly
+11k members(19.3%)
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About
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This page gives a focused view of r/synthdiy, including current member size, discussion patterns, product reviews, and related communities to explore.
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Last updated: September 21, 2026