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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.

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.

ESP-01S, ESP-07S, ESP-12F… The many Ai-Thinker modules with ESP8266 inside compared

ESP-XX modules from Ai-Thinker are popular with enthusiats due to their low cost and small size

How to convert an ATX (desktop computer) PSU into a bench power supply

An ATX power supply, those that you will find in desktop computers, can be converted in to a bench power supply for ESP32 and ESP8266 projects.

The best temperature and humidity sensor for ESPHome

How does the DHT11 hold up against the DHT22 and BME280 for ESPHome projects?