Remote control
device · 1950 · Digital age
Operating a device from a distance; infrared remotes date from the 1980s.
Inventors: Nikola Tesla, Robert Adler, Eugene Polley.
What it is made of
- LED — has part. An infrared LED.
- Microcontroller — has part. A microcontroller sends the codes.
- Printed circuit board — has part. Inside a remote is a circuit board with buttons and an infrared LED.
Principles and materials it uses
- Infrared radiation — uses. An infrared signal.
- Plastic — is made of. The case is plastic.
Where it is used
- Television set — is part of. A remote control.