Body material : | Aluminum Alloy+PC cover |
Power supply: | The solar panel(Monocrystalline 2.5V /120MA) |
Battery: | Lithium battery 1000MAH*3.2V |
LED: | Ultra-bright diameter 5mm*6PCS |
LED Color: | White Green Red Yellow Blue |
Flashing model: | flashing or constant |
Working hours: | 140 hrs for flashing modes,40hrs for constant modes |
Visual distance: | 1000m(approx) |
Waterproof: | IP68 |
Load capacity | >30T(can be installed in the middle of the road) |
Size: | Ф123*45mm |
Weight: | 30kgs/ctn,30pcs/ctn |
Life span: | more than 5 years |
Working Temperature | -20 °C~ + 70°C |
waterproof | IP68 |
About this project. This is my first work using Arduino. I learnt how to adjust LED brightest by using Arduino. It was difficult because it was my first time to get to code and do other things, but it was new and fun. If playback doesn't begin shortly, try restarting your device.
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LEDs (that's "ell-ee-dees") are a particular type of diode that convert electrical energy into light. In fact, LED stands for "Light Emitting Diode." (It does what it says on the tin!) And this is reflected in the similarity between the diode and LED schematic symbols: In short, LEDs are like tiny lightbulbs.
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2019/6/25 · Setting a high discount rate tends to have the effect of raising other interest rates in the economy since it represents the cost of borrowing money
The amount of light (Lumens) an LED emits depends on how much current is supplied. Current is measured in milliamps (mA) or amps (A). High-power LEDs can take currents from 350mA to 3000mA. LEDs vary on their current ratings so be sure to
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Luminous fNOKIN 11 Luminous intensity 11 Illuminance 11 Luminance 11 Quality characteristics of lighting The right light – traditional and new quality criteria 12 Illuminance – definition of terminology 12 Glare – glare limitation 14 The UGR method 15
Nichia LED packages are characterized by high efficiency, flexible cluster configurations, and high luminous fNOKIN density. Nichia standard LED has uniform spatial distribution, excellent temperature stability, and lighting reproducibility, and is developed in collaboration with Advanced Industrial Science and Technology (AIST).
The most common reasons are the capacitor and LED driver going bad. If you have a quality LED fixture that is slowly losing brightness, it’s probably the diode that’s dying. Then it’s time to replace it for a new diode if that can be replaced as an individual item. 5. LED light stopped working.
Also when two LED from Syska 7W PA Series & 7W QA series compared, the luminance is not visible much differentiated, but again there is high price difference, where Syska 7W PA series LED costs approx. 350 Rs, the 7W QA series LED costs approx 550