r/ArduinoProjects is a subreddit with 205k members. The most common kinds of discussions are ideas and solution requests, and the community frequently discusses arduino, project, esp32, sensor, and led, and they frequently recommend/review microcontroller, sim, and modules.
Arduino Projects is a subreddit dedicated to Arduino Projects. This includes showcasing your completed projects, major milestones and/or pre-project related discussion including feasibility, design, approach and other Arduino project level discussion.
For technical help, please refer to r/Arduino or r/Arduinohelp.
Popular Themes in r/ArduinoProjects
#1
Ideas
: "ESP32 Mini Computer"
5 posts
#2
Solution Requests
: "2A Switching Lithium Battery Charger"
1 post
#3
Pain & Anger
: "Claw servo PROBLEM!!"
1 post
#4
Advice Requests
: "Feedback on Our Open-Source Animatronics DIY Set!"
1 post
Popular Topics in r/ArduinoProjects
#1
Arduino
: "what is the most interesting Arduino project for beginners"
223 posts
#2
Project
: "My first ever Project (Earthquake Alarm)"
122 posts
#3
Esp32
: "Esp32 Mini Computer"
30 posts
#4
Sensor
: "Built a smart presence Sensor with cheap Ai-Thinker RD-03 radar – Arduino library now in Library Manager + ESPHome config"
29 posts
#5
Led
21 posts
#6
Looking
21 posts
#7
Robot
: "I’ve built a building-climbing and cleaning Robot."
20 posts
#8
Diy
17 posts
#9
Motor
: "Update: Robotic arm is ALIVE! Motors + cameras working 🎉 (now fighting AS5600 I2C…)"
14 posts
#10
Projects
13 posts
Products Discussed in r/ArduinoProjects
Microcontroller
3 reviews
#1
Espressif
4.0★ from 1 review
#2
Teensy
4.0★ from 1 review
#3
Arduino
3.0★ from 1 review
Sim
2 reviews
#1
Huawei
4.0★ from 2 reviews
Modules
2 reviews
#1
Huawei
4.0★ from 2 reviews
Flair Used in r/ArduinoProjects
#1
Showcased Project
: "Genuinely proud of myself"
40 posts
#2
Project Discussion
: "The postal service delivered the heart of my next project today"
6 posts
#3
Project Design/Guidance
: "Interfacing OLED Display with Arduino"
2 posts
#4
Other
: "Woke up to find our "ESP32 Stream Cheap Deck" featured on How-To Geek & Yahoo Tech! 🤯"
2 posts
#5
Meta Post
: "Posting rule changes - minimum text and no cross posting."
1 post
Member Growth in r/ArduinoProjects
Yearly
+14k members(7.1%)
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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/ArduinoProjects, including current member size, discussion patterns, product reviews, and related communities to explore.
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Last updated: June 14, 2026