Relay application are found in lighting applications, and safety applications like elevators and traffic lights, small relays run the windshield wipers in your car, and really big ones bring the electricity from the power plant to your home.
The ULN2003A device offers solutions to many interface needs, including
- Solenoids
- Small motors
- LED‘s
- Stepper and DC Brushed Motor Drivers
- Lamp Drivers
- Display Drivers (LED and Gas Discharge)
- Line Drivers
- Logic Buffers
- Hammer drivers
- AC appliances