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.
These custom components for ESPHome integrate with numerous Bluetooth devices from Xiaomi that are not (yet) officially integrated with ESPHome.
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.
As of ESPHome 2021.9.0, you can easily integrate the Airthings Wave Plus, a CO2, VOC, and Radon sensor, with Home Assistant.
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.
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-XX modules from Ai-Thinker are popular with enthusiats due to their low cost and small size
You can connect an ESP8266 running ESPHome to the service port on the Jura Impressa J6 and control it with Home Assistant via Wi-Fi.
How does the DHT11 hold up against the DHT22 and BME280 for ESPHome projects?