r/arduino is a subreddit with 778k members. The community frequently discusses arduino, struggling, project, esp32, and hard time, and they frequently recommend/review microcontroller, ide, and simulation software, and the most common flair used is look what i made!, hardware help, getting started, software help, and :ardsnuino: project update! .
An unofficial place for all things Arduino!
We all learned this stuff from some kind stranger on the internet. Bring us your Arduino questions or help answer something you might know! 😉
Popular Topics in r/arduino
#1
Arduino
220 posts
#2
Struggling
63 posts
#3
Project
40 posts
#4
Esp32
30 posts
#5
Hard Time
28 posts
#6
Sensor
23 posts
#7
Code
17 posts
#8
Motor
17 posts
#9
Frustrating
16 posts
#10
Help
16 posts
Products Discussed in r/arduino
Microcontroller
19 reviews
#1
Arduino
4.0★ from 6 reviews
#2
Raspberry Pi
3.8★ from 4 reviews
#3
ATtiny
4.0★ from 2 reviews
Ide
15 reviews
#1
Arduino
4.2★ from 5 reviews
#2
Microsoft
4.8★ from 4 reviews
#3
Acer
2.0★ from 1 review
Simulation Software
10 reviews
#1
Tinkercad
4.5★ from 2 reviews
#2
LTSpice
4.5★ from 2 reviews
#3
Falstad
2.0★ from 1 review
Flair Used in r/arduino
#1
Look what I made!
: "ESP32-C3 Running CHIP-8"
33 posts
#2
Hardware Help
: "Motor moving only when touching cnc shield."
23 posts
#3
Getting Started
: "Day 1 of my Arduino journey"
6 posts
#4
Software Help
: "OLED screen wrong pixels on"
5 posts
#5
:Ardsnuino: Project Update!
: "Project update: My ESP32-controlled guitar robot can now play in two modes"
4 posts
#6
:Beginners-Project:Beginner's Project
: "HARDuino // The official troll Arduino framework"
4 posts
#7
Look what I found!
: "Will it count as a unique find or an irrelevant choice for an Arduino Nano compatible board?"
3 posts
#8
:LightBulb:Project Idea
: "Servo válvula proporcional direccional 4/3 de bajo consumo que puede ser manejada directamente por arduino."
2 posts
#9
:Libraries: Libraries
: "Student project: I reverse-engineered the JDM-050 PS4 controller trackpad over I2C and made a complete multi-touch Arduino library for it!"
1 post
#10
:ArduinoUno: Monthly Digest :ArduinoUno:
: "Monthly digest for 2026-07"
1 post
Member Growth in r/arduino
Yearly
+60k members(8.3%)
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About
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Last updated: August 10, 2026