r/microcontrollers
27k members
r/microcontrollers is a subreddit with 27k members. The most common kinds of discussions are 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
Solution Requests
: "Help with switch to VsCode from STM32CubeIDE"
1 post
Popular Topics in r/microcontrollers
#1
Microcontroller
: "Microcontroller choice"
142 posts
#2
Esp32
: "Built a wallet-sized Esp32 multitool with motion-controlled MIDI"
53 posts
#3
Programming
: "I created an Android app to program PIC Microcontrollers with the K150 programmer using OTG!"
37 posts
#4
Arduino
: "I built my own Arduino module instead of buying one - 8×8 LED matrix"
24 posts
#5
Project
22 posts
#6
Help
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(28.3%)
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About
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Last updated: July 23, 2026