VCC has launched a 3mm diffused LED indicator with a robust body and round protruding LED position that offers a viewing angle up to 50 degrees. VCC has launched a 3mm diffused LED indicator with ...

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 ...