Use MQ-2 Smoke and Gas Sensor Connect to WeMos D1 Mini (ESP-8266) Configuration ESPHome on Home Assistant. esphome: name: esp8266_wemos_d1_mini platform: ESP8266 board: d1_mini wifi: ssid: "your_ssid" password: "your_password" fast_connect: true manual_ip: static_ip: 192.168.1.32 gateway: 192.168.1.1 subnet: 255.255.255.0 dns1: 192.168.1.1 # Enable logging logger: # Enable Home Assistant API api: ota: # MQ2 Smoke Gas