The Ultimate ESPHome Guides for Everyone

ESPHome (previously known as esphomelib) is quite possibly the easiest tool to create custom firmware for ESP8266 and ESP32 boards. With ESPHome you won’t need any programming skills to get started and if you’re capable of configuring Home Assistant integrations you’ll feel right at home. Since March 18, 2021 ESPHome has been a part of Nabu Casa.

The densely packed e-paper display looks better than any LCD

The creator of this ESPHome project wanted to pack as much information on their 4.2″ e-paper screen from Waveshare as possible.

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The best particulate (PM2.5) sensor for ESPHome

This comparison will help you make the right choice when planning an ESPHome air quality sensor by taking a look at the supported particulate sensors.

How to connect just about any Xiaomi BLE device to ESPHome using custom components

These custom components for ESPHome integrate with numerous Bluetooth devices from Xiaomi that are not (yet) officially integrated with ESPHome.

ESPHome adds early support for ESP32-S2, ESP32-S3, and ESP32-C3

ESPHome 2021.10 introduces the ESP-IDF that allows tinkerers and makers to use three ESP32 variants: the ESP32-S2, ESP32-S3, and ESP32-C3.

Integrating Airthings Wave Plus with Home Assistant using ESPHome

As of ESPHome 2021.9.0, you can easily integrate the Airthings Wave Plus, a CO2, VOC, and Radon sensor, with Home Assistant.

What is an ESP8266, and why does ESPHome use it?

At its core, The ESP8266 is a low-cost Wi-Fi (b/g/n) microchip, released in 2013. With ESPHome, it can be used to read sensors, build lights, and more.

What is ESPHome, and what can it do?

ESPHome (previously known as esphomelib) is a tool with which you can create custom firmware for ESP8266 and ESP32 boards.

What are GPIO pins on the ESP8266 and ESP32?

GPIOs are what ESPHome uses to gather data from sensors, detect button pushes, push data to other devices, and more.

What is an ESP32, and does ESPHome need its extra power?

The ESP32 is a low-cost, low-power, and ESPHome-compatible system on a chip microcontroller.

What to do if ESPHome shows all nodes as offline

In some cases, the ESPHome dashboard will show all nodes as offline, despite them being online. A single variable is the fix.