3-in-1 Flash Light


Want to avoid the
problem of carrying three different flashlights to perform a test? Why
don’t you try integrating Ultra Violet, Infra Red and visible light
together in one flashlight? Read on to know more about this.

The multi-tasking flashlight is basically composed of a metallic
case, a switch, cables and connections, four 9V batteries and three
different LED heads that provide the desired
light beam. For the construction of this flashlight, LedEngin’s LZ4-40
is recommended. This comes with a very wide wavelength that includes
infra red and ultra violet light. Distinct visible light color
temperature can also be found

The first step is to build the body of the flashlight, using an
aluminum tube. Next come the drilling and cutting for switches and
covers. Once the body is finished, the work on the constant current
driver should be completed, adding the proper terminals for the
batteries and the base for the LED heads.

The multi-tasking flashlight is basically composed of a metallic
case, a switch, cables and connections, four 9V batteries and three
different LED heads that provide the desired
light beam. For the construction of this flashlight, LedEngin’s LZ4-40
is recommended. This comes with a very wide wavelength that includes
infra red and ultra violet light. Distinct visible light color
temperature can also be found

The first step is to build the body of the flashlight, using an
aluminum tube. Next come the drilling and cutting for switches and
covers. Once the body is finished, the work on the constant current
driver should be completed, adding the proper terminals for the
batteries and the base for the LED heads.

Once all the power source wiring is completed and insulated with heat shrink tubing, the LED heads are assembled and connected. These are basically composed of an aluminum cap. The LED base and the power source connections come from the batteries.


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