Testing a new headlight before you install it can save time, money, and frustration. Whether you’re checking a replacement ...

One of the most common causes of flickering lights is an issue with the bulb. Fortunately, bulb issues are also the easiest ...

The circuit in Figure 2 uses one or two AA/AAA cells, which ensures testing irrespective of the value of the tested zener voltage to approximately 20 to 25V. The heart of the circuit is a Zetex LED ...

Evil Mad Scientist Labs brings us this easy to make LED blinking circuit. ... The project uses a 5W blue LED, the aforementioned bulb, and a 6V battery pack loaded with 3 AAA batteries.

High Output LED Headlight Test. Comparing The Latest In LED Light Technology. Sean P. Holman Writer Dec 01, 2012. ... solid-state electronics, and no bulbs to burn out. 0:00 / 0:00.

If you use a standard bulb it behaves as the "medium" circuit, so you get the off-off-on-on behavior. You can get 3-way LED bulbs that have two independent circuits, but they cost more.