This kit of resistors includes resistors for a Large 120 LED Assortment Package to allow each LED to be connected to a power source of between 4.5 and 5.5 Volts.
The kit contains the following resistors (120 in total):
LED Color Resistor Value White LED 68 Ohms UV LED 68 Ohms Red LED 150 Ohms Green LED 68 Ohms Blue LED 68 Ohms Yellow LED 150 Ohms Orange LED 150 Ohms
The LED has two connections:
The cathode is represented by a slightly shorter lead and sometimes a flat spot on the LED base. The cathode is negative. The anode is represented by a slightly longer lead and has no flat spot on the LED base. The anode is positive. <a href="http://www.statcounter.com/" target="_blank"><img src="http://c10.statcounter.com/counter.php?sc_project=1027258&amp;java=0&amp;security=8f1c7b4a&amp;invisible=1" alt="hit counter script" border="0"></a>