r/esp32

Community Overview
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reddit.com/r/esp32/
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About r/esp32

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.

The community at a glance

r/esp32 is a Subreddit for DIY Electronics Enthusiasts with roughly 211K members. It uses a forum format for communication. On the Hive Index it ranks #6 in the DIY Electronics communities list.

Roughly 71K members have joined in the past year. Popular discussion topics include Esp32, Help, and Wifi. Product recommendations often mention esp32 and 9 axis imu sensors.

On Reddit
211K Members

Community Topics

Community Features

Forum

This community has a forum

Subreddit Analysis

via GummySearch
Yearly: +71K members
Growth: +50.1% / year

Member growth over time

All time (yearly)

  • 2016: 287 members
  • 2017: 1K members
  • 2018: 2K members
  • 2019: 10K members
  • 2020: 16K members
  • 2021: 16K members
  • 2022: 14K members
  • 2023: 16K members
  • 2024: 30K members
  • 2025: 54K members
  • 2026: 52K members

Past year (monthly)

  • Sep: 4K members
  • Oct: 4K members
  • Nov: 5K members
  • Dec: 5K members
  • Jan: 6K members
  • Feb: 5K members
  • Mar: 6K members
  • Apr: 6K members
  • May: 7K members
  • Jun: 7K members
  • Jul: 7K members
  • Aug: 7K members

Topics

  • Esp32
    210 posts in the past month
    #1
    Esp32
    210
  • Help
    46 posts in the past month
    #2
    Help
    46
  • Wifi
    34 posts in the past month
    #3
    Wifi
    34
  • Project
    33 posts in the past month
    #4
    Project
    33
  • Struggling
    31 posts in the past month
    #5
    Struggling
    31

Flair

  • I made a thing!
    36 posts in the past month
    1. I built a 7-node ESP32-S3 cluster to run a ~0.4B LLM using 1.58-Bit (BitNet) ternary quantization...
    2. Redesign of my capacitive-touch polyphonic synthesizer project
    3. Built a little e-paper plane tracker frame for my friend’s birthday
    #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... · Redesign of my capacitive-touch polyphonic synthesizer project · Built a little e-paper plane tracker frame for my friend’s birthday
    36
  • Hardware help needed
    15 posts in the past month
    1. I’m designing a tiny ESP32-C3 handheld—what features would you add?
    2. Where am I going wrong? I am trying to get this independent usb c point to run from the same power source as my TV backlight.
    3. How much power does a disabled GPIO saves in comparison with an inactive open-drain output or an idle input?
    #2
    Hardware help needed
    I’m designing a tiny ESP32-C3 handheld—what features would you add? · Where am I going wrong? I am trying to get this independent usb c point to run from the same power source as my TV backlight. · How much power does a disabled GPIO saves in comparison with an inactive open-drain output or an idle input?
    15
  • Software help needed
    8 posts in the past month
    1. How to improve Audio input in esp32-S3
    2. On the ESP32-H2 Dev Kit 1 `gpio_get_level()` returns zero for GPIO 13+14 (XTAL_32K_P, XTAL_32K_N) although they are externally actively driven high.
    3. How to stop the ESP32-H2 from isolating GPIO pins when coming out of (light) sleep?
    #3
    Software help needed
    How to improve Audio input in esp32-S3 · On the ESP32-H2 Dev Kit 1 `gpio_get_level()` returns zero for GPIO 13+14 (XTAL_32K_P, XTAL_32K_N) although they are externally actively driven high. · How to stop the ESP32-H2 from isolating GPIO pins when coming out of (light) sleep?
    8
  • AI Content
    4 posts in the past month
    1. Three months of reading a sealed electricity meter with an ESP32-CAM
    2. Gemini Fuel Gauge
    3. I built a fully local ESP32-S3 presence sensor with an on-device dashboard and multi-device sensor fusion
    #4
    AI Content
    Three months of reading a sealed electricity meter with an ESP32-CAM · Gemini Fuel Gauge · I built a fully local ESP32-S3 presence sensor with an on-device dashboard and multi-device sensor fusion
    4
  • Board Review
    4 posts in the past month
    1. DIY ESP32-S3 Touch Screen Desk Widget: First Schematic Feedback Please
    2. ESP32 custom board – schematic review before PCB layout
    3. Noob looking for help with wled and esp32
    #5
    Board Review
    DIY ESP32-S3 Touch Screen Desk Widget: First Schematic Feedback Please · ESP32 custom board – schematic review before PCB layout · Noob looking for help with wled and esp32
    4

Product recommendations

  • esp32
    28 posts in the past month
    1. Best way to power an ESP 32 board using 12 V source and 12 V USBC adapter ?
    2. The Best ESP32 Board Ever
    3. Best software to use on an esp32S with a touch screen
    #1
    esp32
    Best way to power an ESP 32 board using 12 V source and 12 V USBC adapter ? · The Best ESP32 Board Ever · Best software to use on an esp32S with a touch screen
    28
  • 9 axis imu sensors
    5 posts in the past month
    1. Comparison best 9 axis IMU sensors (BMI160+BMM150, BMI323+BMM350, ICM-20948, BNO80, GY-85...), am I right?
    2. Comparison best 9 axis IMU sensors (BMI160+BMM150, BMI323+BMM350, ICM-20948, BNO80, GY-85...), am I right?
    3. Comparison best 9 axis IMU sensors (BMI160+BMM150, BMI323+BMM350, ICM-20948, BNO80, GY-85...), am I right?
    #2
    9 axis imu sensors
    Comparison best 9 axis IMU sensors (BMI160+BMM150, BMI323+BMM350, ICM-20948, BNO80, GY-85...), am I right? · Comparison best 9 axis IMU sensors (BMI160+BMM150, BMI323+BMM350, ICM-20948, BNO80, GY-85...), am I right? · Comparison best 9 axis IMU sensors (BMI160+BMM150, BMI323+BMM350, ICM-20948, BNO80, GY-85...), am I right?
    5
View full analysis on GummySearchSynced 8/29/2026

Frequently asked questions

Who is r/esp32 for?
Best for DIY Electronics Enthusiasts enthusiasts looking for a Reddit-based community with forum discussion.
Is r/esp32 free to join?
This listing is not marked as paid-only. Access rules and any fees are decided by the community.
How many members does r/esp32 have?
Roughly 211K members, based on figures reported by the community or its host. Member counts are approximate and change over time.
What platform is r/esp32 on?
r/esp32 runs on Reddit. Reddit communities (or "subreddits") are forum-based groups on the popular social news aggregation, web content rating, and discussion website Reddit. Reddit is commonly known as "the front page of the internet". Users submit content to the site such as links, text posts, and images, which are then voted up or down and discussed by other members. From investing Reddit communities, to professional ones, to ones just for laughs, you're likely to find a community for you on Reddit.
What topics does r/esp32 cover?
On the Hive Index, r/esp32 is organized under DIY Electronics Enthusiasts.
How do I join r/esp32?
You can join r/esp32 by clicking this link, or pressing the "Go to community" button above.
What are the DIY Electronics communities like?
Communities for makers, hardware hackers, and DIY electronics enthusiasts who build physical and software projects from scratch.
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Added 6/10/2026

Monthly Stats

21
Views /mo
(-9%)
20
Visitors /mo
(+11%)
0
Referrals /mo

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