Keywords: LEDx4Circuit.PNG circuit 當總LED順向偏壓高於電源電壓時的線路接法 own 2011-06-15 Quincyplus wikipedia zh Quincylus zh Original upload log zh wikipedia LEDx4Circuit PNG 2011-06-15 03 32 Quincyplus 300300 7094 bytes <nowiki> 當總LED順向偏壓高於電源電壓時的線路接法 Own work by uploader 2011-Jun-15 Quincyplus Quincylus zh LEDx2Circuit PNG,LEDCircuit PNG </nowiki> Light-emitting diodes |