r/esp32 is a subreddit with 213k members. The community frequently discusses esp32, help, wifi, project, and struggling, and they frequently recommend/review ide, cloud service, and simulation software, and the most common flair used is i made a thing!, hardware help needed, software help needed, ai content, and board review.
ESP32 is a series of low cost, low power system on a chip microcontrollers with integrated Wi-Fi and dual-mode Bluetooth. The ESP32 series employs either a Tensilica Xtensa LX6, Xtensa LX7 or a RiscV processor, and both dual-core and single-core variations are available. It includes in-built antenna switches, RF balun, power amplifier, low-noise receive amplifier, filters, and power management modules as well.
Popular Topics in r/esp32
#1
Esp32
210 posts
#2
Help
46 posts
#3
Wifi
34 posts
#4
Project
33 posts
#5
Struggling
31 posts
#6
Display
24 posts
#7
Sensor
13 posts
#8
Power
10 posts
#9
Matlab
9 posts
#10
Removed
8 posts
Products Discussed in r/esp32
Ide
4 reviews
#1
Espressif
4.0★ from 1 review
#2
Microsoft
5.0★ from 1 review
#3
Arduino IDE
5.0★ from 1 review
Cloud Service
1 review
#1
AWS
4.0★ from 1 review
Simulation Software
1 review
#1
Wokwi ESP32 Simulator
5.0★ from 1 review
Flair Used in r/esp32
#1
I made a thing!
: "I built a 7-node ESP32-S3 cluster to run a ~0.4B LLM using 1.58-Bit (BitNet) ternary quantization..."
73 posts
#2
Hardware help needed
: "I’m designing a tiny ESP32-C3 handheld—what features would you add?"
18 posts
#3
Software help needed
: "Finally getting started with my ESP32s and I'm super excited!"
7 posts
#4
AI Content
: "Three months of reading a sealed electricity meter with an ESP32-CAM"
7 posts
#5
Board Review
: "I made an ESP32-S3 board that drives a 7.3" Spectra 6 colour e-ink directly (on-board boost, I2S mic + speaker) — would this be useful as a dev kit?"
3 posts
#6
Advertisement
: "I built a 3D Printable Fluora Plant Lamp"
2 posts
#7
Solved
: "Testing an Autofocus Camera for ESP32-P4 AI Vision"
2 posts
Member Growth in r/esp32
Yearly
+72k members(50.6%)
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Last updated: September 6, 2026