r/esp32

Community Overview
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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 191K members. It uses a forum format for communication. On the Hive Index it ranks #4 in the DIY Electronics communities list.

Roughly 61K 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
191K Members

Community Topics

Community Features

Forum

This community has a forum

Subreddit Analysis

via GummySearch
Yearly: +61K members
Growth: +46.9% / 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: 31K members

Past year (monthly)

  • Jul: 4K members
  • Aug: 5K members
  • 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: 2K 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!
    72 posts in the past month
    1. ESP32 Desk Flight Radar
    2. I made an interactive ASCII Aquarium for the ESP32 CYD
    3. DIY ESP-32 powered Lego RC Wall-E
    #1
    I made a thing!
    ESP32 Desk Flight Radar · I made an interactive ASCII Aquarium for the ESP32 CYD · DIY ESP-32 powered Lego RC Wall-E
    72
  • Hardware help needed
    23 posts in the past month
    1. Esp32 Programmer
    2. Esp32 car-radar
    3. Waveshare ESP32-S3-Touch-LCD-2.1 + LVGL 8 — Continuous horizontal "ghost scrolling" on ST7701S RGB panel
    #2
    Hardware help needed
    Esp32 Programmer · Esp32 car-radar · Waveshare ESP32-S3-Touch-LCD-2.1 + LVGL 8 — Continuous horizontal "ghost scrolling" on ST7701S RGB panel
    23
  • AI Content
    5 posts in the past month
    1. I turned my ESP32-S3 e-paper device into a voice memo reminder
    2. Waveshare ESP32S3 Touch Amoled 2.06, James Bond Theme
    3. I built an 8-bit Retro Audio Mixer & WiFi Streamer on an ESP32 with a VGA GUI and DSP Effects! Would love your feedback.
    #3
    AI Content
    I turned my ESP32-S3 e-paper device into a voice memo reminder · Waveshare ESP32S3 Touch Amoled 2.06, James Bond Theme · I built an 8-bit Retro Audio Mixer & WiFi Streamer on an ESP32 with a VGA GUI and DSP Effects! Would love your feedback.
    5
  • Software help needed
    4 posts in the past month
    1. ESP32 S3 no serial output
    2. Best configuration for low consumption remote sensor
    3. How do I fit a large datastructure into memory?
    #4
    Software help needed
    ESP32 S3 no serial output · Best configuration for low consumption remote sensor · How do I fit a large datastructure into memory?
    4
  • Advertisement
    2 posts in the past month
    1. What if the ESP32 had an app store? I built one.
    2. Esp32 smart home
    #5
    Advertisement
    What if the ESP32 had an app store? I built one. · Esp32 smart home
    2

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 6/8/2026

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 191K 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

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