An IR blaster is a device that has the ability to emit infrared signals in order to control other devices in your home. It is a critical component of home automation as it enables devices to communicate and work together in a seamless and integrated manner.At the heart of any modern smart home is automation. Home automation allows you to control and monitor devices in your home from anywhere using an app on your smartphone or tablet. One key element of home automation is the IR blaster. It allows you to control all your electronic devices in your home using your smart device. Earlier, people had many remotes for different devices like TV, sound system, AC, etc. but with the help of an IR blaster, you can access all your devices through a single device like your smartphone.

An IR blaster is essentially a small device that is connected to your home network and is programmed with a set of codes for different devices like TVs, air conditioners, sound systems and more. These codes are then transmitted via an infrared signal, which is received by the device you want to control.