ESPHome Hardware Guides

Choosing the right hardware for your next ESPHome project isn’t always easy. On this page you will find guides on which sensors to choose, which LED strips are the best, and which boards to go with.

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 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.

Hacking the IKEA FÖRNUFTIG air purifier and adding ESPHome

The IKEA FÖRNUFTIG is perfect for Home Assistant and has a US$60 price tag. With an ESP8266 and ESPHome, you can give it some smarts.

Opening a garage with a fingerprint sensor ESPHome

A Home Assistant and ESPHome user used the GROW R503 fingerprint sensor to open a garage without any keys or cards and just their fingerprint.

You will soon be able to build LaMetric TIME alternatives with ESPHome

The ESPHome addressable light display opens up a whole world of possibilities. With it, You can turn any LED matrix or strip in to a display.