r/arduino is a subreddit with 787k 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 hardware help, look what i made!, :beginners-project:beginner's project, software help, and school project.
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
Hardware Help
: "Will I able to safely run DC motor with this? (this is the only materials I have)"
10 posts
#2
Look what I made!
: "I built a small digital aquarium using Arduino IDE"
9 posts
#3
:Beginners-Project:Beginner's Project
: "Clock SFX"
4 posts
#4
Software Help
: "Questions about my first arduino project"
3 posts
#5
School Project
: "tips on building a parallel-plate capacitive moisture sensor"
3 posts
#6
Getting Started
: "Arduino and Cybersecurity"
2 posts
#7
Solved!
: "Arduino Uno as an SMBus tool to unbrick DJI drone batteries (BQ40Z307 BMS)"
1 post
#8
:ArduinoUno: Uno
: "Arduino UNO suddenly not connecting to PC"
1 post
Member Growth in r/arduino
Yearly
+60k members(8.3%)
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Last updated: October 2, 2026