A method of manufacturing multiple light emitting diode lighting assemblies each having a different initial light output is provided. A first heat sink is manufactured and a first platform assembly with a plurality of light emitting diodes is formed with an automated device. The automated device selects a first predetermined lumen output. A second heat sink is then manufactured using the same manufacturing process, and a second platform assembly with a plurality of light emitting diodes is formed with the automated device. During this time, the automated device selects a second predetermined lumen output based on information inputted into the automated device.