Take an AM radio and tune it to an unused channel. Inbetween bands. While listening to static, point the remote at the AM antenna or somewhere close to the radio, and press a button on the remote. You ...

Even though some devices now use WiFi and Bluetooth, so much of our home entertainment equipment still relies on its own proprietary infrared remote control. By and large (when you can find them) they ...

This small circuit is ideal for checking the basic operation of an infrared remote control unit. The circuit is based on the brilliantly simple idea of connecting a piezo buzzer directly to an IR ...