Abstract: An automated filter changing device (20) includes a filter reel system (22). A motor (24) is connected to the filter reel system (22). An airflow sensor (26) is in an airflow of the filter reel system (22). A controller (28) is connected to the motor (24) and the airflow sensor (26). The airflow sensor (26) determines when the airflow is below an acceptable threshold. When the airflow is below an acceptable threshold, the controller (28) tells the motor (24) to index the filter reel system (22).

Abstract: An LED jig for securing a plurality of individual light emitting diodes to a circuit board module. The LED jig comprises a disk shaped structure having a plurality of openings in which the light emitting diodes are positioned. Flanges on each end of the openings serve to secure the light emitting diodes therein. The LED jig also comprises structures which protect the light emitting diodes from possible damage, structures which serve to secure the LED jig to the circuit board module, structures which serve as guides for properly mounting the LED jig to the circuit board, and structures which serve to offset the LED jig from the circuit board module.