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Shenzhen Tuozhan Optoelectronics Co., Ltd. is a leading manufacturer of straight plug indicator diodes in China. With years of experience and expertise in the industry, Tuozhan Optoelectronics offers a wide range of high-quality indicator diodes with different specifications and sizes to meet the di
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1. Detection of ordinary LED light-emitting diodes (1) Detection with a multimeter. Using a pointer multimeter with a ×10kΩ block can roughly judge whether the LED light-emitting diode is good or bad. Normally, the forward resistance of the diode is tens to 200kΩ, and the reverse resistance is ∝. If
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