r/microcontrollers
27k members
r/microcontrollers is a subreddit with 27k members. The most common kinds of discussions are advice requests and solution requests, and the community frequently discusses microcontroller, esp32, programming, arduino, and project, and they frequently recommend/review microcontroller and ide.
Popular Themes in r/microcontrollers
#1
Advice Requests
: "Good courses for an adult who knows how to code?"
16 posts
#2
Solution Requests
: "Which microcontroller should i use"
10 posts
#3
Pain & Anger
: "Feeling down after failing two club interviews"
1 post
#4
Ideas
: "YesRTOS | Developing an RTOS for Cortex M7 with C++"
1 post
#5
Self-Promotion
: "Our ESP32S3 based sampler / synth / audio dev board, 4 channel polyphony, real-time effects, opensource software and Arduino IDE compatibility. Details in comments!"
1 post
Popular Topics in r/microcontrollers
#1
Microcontroller
: "Which Microcontroller should i use"
142 posts
#2
Esp32
: "Gesture-Controlled Air Mouse Using Esp32-S3 and Onboard IMU"
53 posts
#3
Programming
: "RP2350 development workflows: ARM vs RISC-V Programming with PIO examples, using Linux, showing SDK, Arduino, MicroPython and VS Code."
37 posts
#4
Arduino
: "I made a LED Hourglass using Arduino"
24 posts
#5
Project
: "Project Ideas for Computer Science Students"
22 posts
#6
Help
: "Help needed"
15 posts
#7
Sensor
: "What microphone should be used with KCX-BT002"
13 posts
#8
Controller
12 posts
#9
Pic
: "I created an Android app to program Pic Microcontrollers with the K150 programmer using OTG!"
11 posts
#10
Mcu
10 posts
Products Discussed in r/microcontrollers
Microcontroller
29 reviews
#1
Espressif
4.6★ from 5 reviews
#2
ESP32
4.3★ from 3 reviews
#3
STM32
4.0★ from 3 reviews
Ide
6 reviews
#1
Keil
5.0★ from 1 review
#2
IAR
5.0★ from 1 review
#3
OpenOCD
4.0★ from 1 review
Member Growth in r/microcontrollers
Yearly
+6k members(28.6%)
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About
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Last updated: June 11, 2026