This is a client for dynamic DNS services, aimed at ESP (ESP32, etc) devices. Your node can use such a service to make its IP address known as a public DNS name, so you can find it, and use it from applications.
Send and receive infrared (IR) signals on ESP-IDF. Supports 130 consumer IR protocols, including full state/climate control for 60+ air conditioner brands. Ported from IRremoteESP8266.