Hello folks. My first post on this Forum: I have a conundrum, I have built a LED light fixture in my living room. The issue I have is that the LEDS have dimmed over the last 5 months by about 50%. I did not notice it until I had to replace one the other day, and it was way brighter then the existing ones. (tried 2 new ones to be sure). My setup is a simple one, 110/120V AC input Through a DC rectifier into 42 LED's in series Each LED is using about 2.7 volts. The LED's were bought on EBAY, and are 5mm White LED 18000mcd 20mA 3.2-3.6 Forward Voltage (from China) I thought this would be an ok setup, but as I mentioned, they are getting dimmer. Any idea's why? Thanks in advance! Edward.