In the age of smart homes, the infrared (IR) blaster remains the unsung hero of home automation. While modern TVs and speakers rely on Wi-Fi and Bluetooth, thousands of legacy devices—projectors, ceiling fans, air conditioners, and soundbars—still rely on the humble infrared signal.
While you can buy cheap "IR repeaters" online, building your own style offers a level of satisfaction and customization that off-the-shelf products cannot match. It allows you to turn any USB-C device—from a Raspberry Pi to an Android phone or a standard PC—into a universal remote control hub. usb-c ir blaster diy