Components 137high brightness levels, but they draw more current than the plain vanilla variety, so unless
you really need extra high brightness, be careful when you choose your LEDs. The LED
package is sometimes marked with the brightness and current values, depending on where
you buy your components. Of course, you can always increase the brightness level a
good deal by increasing the current up to its maximum limit, but your battery life will be
shortened. There’s always a compromise, isn’t there? Who has ever heard of a Corvette
that is also economical to run.