One 3mm LED 3. 150-grit aluminum oxide sandpaper ... and its long end to the sanded penny (positive terminal). The LED should light up. 6. Repeat steps 1 through 5 for additional self-powered ...

Designed around a single 90W 3mm LED die, the Lambda HPX-L5 provides light output comparable to a 150W xenon arc lamp when using the same light guide. The Lambda HPX-L5 is optimized for coupling ...