An inexpensive Wi-Fi (b/g/n) microchip, the ESP8266, was released in December 2013. It is manufactured by Espressif Systems in China and has a full stack of TC/IP capabilities.
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.
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.
WLED only does one thing: It controls NeoPixel LEDs (WS2812B, WS2811, SK6812). And it is class leading at what it does.
This WLED guide will give you an overview of what you need to get started. Find out which microcontroller and LED strip is best, and how to wire them.
I finally built a small project that allowed me to use WLED for the first time. I used an ESP8266 board and a bunch of WS2812B LEDs to complete it.
In some cases, the ESPHome dashboard will show all nodes as offline, despite them being online. A single variable is the fix.
GPIOs are what ESPHome uses to gather data from sensors, detect button pushes, push data to other devices, and more.
Building a multisensor is one of the first things you should when starting off with ESPHome. The sensors are cheap, the wiring isn't complicated, and you get your first taste of creating custom firmware for an ESP8266 .
This volume knob uses a rotary encoder to control your music's volume and its firmware is written using ESPHome. An OLED screen displays the current track.