Resistors are components that have a predetermined resistance. Resistance determines how much current will flow through a component.
Learn more about resistors
www.potemkin.org/cms/Pid/Resistors
Flash Resistor Calculator (Resistors Color coding)
Where can I buy resistors?
Since resistors are cheep and commonly used we think it will be wise to buy a full kit with most of the resistors in one big box.
www.Farnell.com
Part No. 248927
if you don’t want the full box, you can buy resistors also in small quantity in the local electronic shop.