Note This protocol also used by some vendors: > * [Electrolux](https://www.electrolux.ru/) > > * [Qlima](https://www.qlima.com/) > > * [Artel](https://www.artelgroup.com/) > > * [Carrier](https://www.carrier.com/) > > * [Comfee](http://www.comfee-russia.ru/) > > * [Inventor](https://www.inventorairconditioner.com/) > > * [Olimpia Splendid](https://www.olimpiasplendid.com/wall-split-air-conditioners/nexya-s4-e-inverter) Example of hardware implementation is [Midea Open Dongle](https://github.com/dudanov/midea-open-dongle) in free EasyEDA format. ``` # Example configuration entry esphome:   name: mideahvac   platform: ESP8266   board: esp01_1m uart:   tx_pin: 1   rx_pin: 3   baud_rate: 9600   midea_dongle:   midea_ac:   name: "mideahvac" #use and unique name   beeper: true  wifi:   ssid: "MYWIFI"   password: "MYWIFIPASSWORD"   # Enable fallback hotspot (captive portal) in case wifi connection fails   ap:     ssid: "Mideahvac Fallback Hotspot"     password: "dgtwTrq5we" captive_portal: #disable logging logger:   baud_rate: 0 # Enable Home Assistant API api:   password: "My_HA_API_pw" ota: ```

## Configuration variables: * **id** (*Optional*, ID): Manually specify the ID used for code generation. * **midea\_dongle\_id** (*Optional*, ID): Manually specify the ID of the Midea Dongle if you want to use multiple devices. * **name** (**Required**, string): The name of the climate device. * **outdoor_temperature** (*Optional*): The information for the outdoor temperature sensor. * **name** (**Required**, string): The name of the sensor. * **id** (*Optional*, ID): Set the ID of this sensor for use in lambdas. * All other options from Sensor. * **beeper** (*Optional*, bool, default: **false**): Beeper feedback on command. * All other options from Climate. ## Acknowledgments: Thanks to the following people for their contributions to reverse engineering the UART protocol and source code in the following repositories: * Mac Zhou * Neo Acheron * Rene Klootwijk * Sergey Dudanov ## See Also * [Midea Dongle](https://github.com/dudanov/esphome/tree/midea-climate-support)