显示标签为“LED Module SMD”的博文。显示所有博文
显示标签为“LED Module SMD”的博文。显示所有博文

2012年1月6日星期五

LED Exhaust Tips

        If you're searching for something unique to create your vehicle stick out in the crowd, you will find lots of items to select from. LED exhaust tips will prove to add a unique touch to some vehicle, truck or SUV's exhaust, especially during the night once the LED lighting is most noticeable.||SMD LED Bulb

    StreetGlow

        StreetGlow produces two lines of LED exhaust tips, one line named following the movie "The Short and also the Furious." Both lines can fit on exhaust pipes having a diameter as high as 2.25 inches. StreetGlow's Fast and also the Furious line features silver tips and accent tubes, while StreetGlow's regular line features black tips and accent tubes. Both lines are available in nine different colors and finish installation instructions (some wiring is involved).||RGB LED Light Strip

    Street Beat Customs

        Street Beat Customs provides a polished silver LED exhaust tip featuring a glowing red-colored ring of LED lights. Installation instructions are incorporated using the tip installation involves some wiring and bolting on from the exhaust tip. Street Beat Customs sells the LED exhaust tip in packs of two.

    Matrix Racing

        Matrix Racing sells a warmth-triggered LED exhaust tip. Because the tip is switched on if this picks up warmth, there's no wiring involved for installation. The end bolts onto exhaust pipes calculating 1.5 to two.5 inches across. Matrix Racing's LED exhaust tip includes either blue or red-colored lights, and is made of polished stainless.||LED Module SMD

    Liteglow

        Liteglow's LED exhaust tip features an on/off switch for that interior from the vehicle. The end bolts onto exhaust pipes calculating 1.25 to two inches across. The end consists of polished steel and includes either blue, red-colored, eco-friendly, crimson or whitened LED lights. Installation instructions for wiring and bolting around the tip are incorporated.

2011年12月15日星期四

How to determine What Resistor to make use of with an LED

Light giving off diodes, or LEDs, are semiconductor diodes that emit light whenever a current is passed through them within the correct direction. Being used, LEDs tend to be more efficient than regular lightbulbs, needing lower currents and energy, so that they are located in lots of electronic products. Functioning, the present with the LED is definitely an exponential purpose of the current. Which means that a little alternation in the current can create a large change in the present, which could permanently destroy the LED. To safeguard a LED from passing excessive a present and burning out, a present restricting resistor can be used.||LED Light Panel
        1

        Discover the specifications of the LED in the packaging, or even the vendor's or manufacturer's website. You will have to be aware of forward current and also the forward current. If you fail to discover the exact particulars for the LED, make use of the particulars for any LED of comparable size and color, as LED specifications are often similar.

        2

        Discover the supply current the LED is going to be operating with, because this determines the resistors value. The bigger the availability current is over the LEDs forward current, the bigger the resistor must be.||LED Module SMD

        3

        Calculate the resistor value while using equation:

        Resistor value = (Total Current - LED Forward Current) / LED Forward Current

        This equation is dependant on Ohms Law, that states:

        Current = Current x Resistance, or V = IR.

        Utilizing a LED having a forward current of two.2 volts along with a forward current of 20 milliamps, or .02 amplifiers, along with a supply current of 5 volts, the needed current restricting resistor value is going to be:

        140 ohms = (5 volts - 2.2 volts) / .02 amplifiers

        4

        Discover the nearest available resistor. Even though calculation demonstrated we want a 140-ohm resistor, resistors are just obtainable in a variety of standard values. What this means is that you'll want to obtain the next standard resistor value over the calculated value. The following available resistor value is 150 ohms, so a 150-ohm resistor could be utilized in series using the LED inside your circuit.||Waterproof RGB LED Module
Tips & Alerts

    For those who have a supply current bigger than 5 volts or even more, get a current regulator to step lower the energy to some lower level. Current government bodies tend to be more efficient than resistors, which could only dissipate the power as warmth, so less overall energy is going to be needed.

    When the forward current from the LED isn't listed, 20 milliamps may be the suggested current as following this the LED won't usually appear any better.

    Never make use of a LED with no current restricting resistor, as they possibly can burn up very rapidly and will also be destroyed.