Using this single modified LED he’s able to project a 12″ image that seems quite well-defined (more pictures below). The LED is one he pulled from an old flashlight.

LED projector lights with wires: Easily available, these lights must be wired from the door panel to the dome light of the car. Wireless LED projector lights: These lights are easier to install.

Developed by a Los Angeles-based startup of the same name, Beam is essentially an Android-based LED pico projector that can also serve as a smart LED light bulb. Screw it into an existing E26/E27 ...

It came with all of the parts he needed, including an LED light source and optics. He tore that apart and replaced the car logo with the phone screen, creating a very cheap projector.