DC LED Lighting for ERP Recording Chambers

This lighting system produces no AC interference and virtually no heat.This system uses industrial LED strips with a digital dimmer.  It's expensive but works well.  This system was designed in 2006, so it's a bit out of date.  You may be able to get better, less expensive LED strips now (see, e.g., http://www.waclighting.com/product/920).  However, the information provided in the below may still be useful in designing a system.

Click here for the circuit diagram
Parts:
BENCHTOP POWER SUPPLY (JAMECO 301962)
LED LIGHT BARS; COOL WHITE w/NO CURRENT LIMITING PROVIDED (NEMALUX GSLEDIP24-CW-W-BLK-GEN-24VDC, 24")
BUCKPUCK WIRING HARNESS w/WIRES (LED SUPPLY ONLINE 03021HE)
BUCKPUCK DC LED DRIVER (LED SUPPLY ONLINE 03021-D-E-1000)
ROATARY POTENTIOMETER (NEWARK ELEMENT 14 20M1961)
COUNTING DIAL (NEWARK ELEMENT 14 015-1-11)
105C RADIAL ELECTROLYTIC CAPACITOR, 50V, 220uF, 10 mm x 13 mm (UXCELL (AMAZON) a11110400ux0058)
1 TOGGLE/1 BLANK SWITCH PLATE (GLOBAL INDUSTRIAL B2089086)
SINGLE POLE TOGGLE SWITCH (GRAINGER)