01-15-2010, 11:14 AM
There's only one reason a bulb will blow like that, it's overvoltage. What is your source voltage set at, what is the current rating of the bulb and what is the value of the resistor you're using? Also, are you sure you have the right resistor value? Can you read the color code?
Don (ezdays) Day
Board administrator and
founder of the CANYON STATE RAILROAD
Board administrator and
founder of the CANYON STATE RAILROAD