Well, not only that, but you could also select different types of notification light styles. And this is why most LED grow light manufacturers opt for simple red-blue combinations. The LED dimmer problem. Sort by. Richard Hansler, a light researcher at John Carroll University in Cleveland, notes that ordinary incandescent lights also produce some blue light, although less than most fluorescent lightbulbs. Plants need multiple light colors for effective photosynthesis and sun is only one source of that light. You may be wondering as to why your LED lights still glow even after you switch them off. Last night, my wife noticed that the middle string in the series was out. An LED strip light is typically half an inch (10-12 mm) in width, and up to 16 feet (5 meters) or more in length. Anatomy of an LED strip. I bought LED Christmas lights last year, and when I plugged them in this morning I noticed half of the blue lights were dead. LED lights are more efficient than fluorescent lights, but they also produce a fair amount of light in the blue spectrum. PROS. Hello, I ve used a led strip behind my TVs floating wall; however, certain leds are lighting a different color than the rest. The first dimmer is used to control the 50 blue LED lights, while the second dimmer controls the 50 different white lights. 100% Upvoted. Normal single foot 1W lamp bead withstand current: 280-300mA, voltage: 3.0-3.4V. LIFX Gen 3. Adjusting the brightness was no problem.In the meantime, LED lighting technology has established itself and offers many advantages over the old light sources. Plug in the LED string. A light-emitting diode (LED) is a semiconductor light source that emits light when current flows through it. Standard LED light bulbs aren’t equipped with the components for dimming, and old dimmers just aren’t built for the low wattage of an energy-efficient LED bulb. LED Lights Illuminating even when Switched Off. Why would I chose to only use red light when I can just give my plants a full spectrum of light? Nevertheless, LED lamps can also break down.On the one hand, this can be due to the lamp itself. Blue light is usually referred to as radiation with wavelengths between 400 and 500 nm. Now, examine in a darkened room or dark shade. Regular LED light bulbs can only provide light but cannot trigger photosynthesis or help in the plant’s metabolism. This waveband is within the visible spectrum, has relatively high energy, and has pronounced effects on plant growth and flowering. Bad LED's will have no faint blue dot of light. The Nara, Japan, prefectural police set up blue street lights in the prefecture in 2005, and found the number of crimes decreased by about 9 percent in blue-illuminated neighborhoods. Every other color (yellow, red, and green) is fine. The blue light from LED Christmas lights (along with electronics such as tablets, smartphones and laptops) can mess with your circadian rhythm and result in loss of sleep, which in turn can lead to obesity, diabetes and depression?. Let … In 2010, IDA published its paper, “ Visibility, Environmental, and Astronomical Issues Associated with Blue-Rich White Outdoor Lighting ,” detailing the hazards of blue-rich white light sources. On June 21st it has 26% blue light. LED lights are the latest thing in home lighting, using less energy and lasting longer than their incandescent cousins. Light is energy and plants use it for fuel. LED lights do not work. The other option is to call an electrician to run a dedicated neutral to the switch you have installed in your home (if it can support one) so that it does not go through the lamp. There will be a faint (and I mean FAINT) blue glow--a tiny dot--in every good LED. report. 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