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Compared with the traditional high voltage sodium lamps that are widely applied nowadays, the all in one street lights have the following advantages: Firstly, energy saving. Now the luminescent efficiency of the white light of LED is about 80 lm/W, which can save 50% to 60% of electrical power when compared with the traditional high voltage sodium lamps.
my car alarm remote light stays on eventhough it works fine, but the LED stays on on one remote control. Why?
Some remotes do that when the battery gets low. Getting water in might cause the light to stay on too
AC/DC circuits, resistor, capacitor, and relay to light a LED after 3 seconds?
3 minutes? That's fast! From a dead power up mine takes almost 10 minutes to come up all the way. Most of what slows it down are all the programs attached to the start up file, picture sharing, security, external hard drive, spybot programs, quick time and so on and so on. The more you have the longer it takes as each one tries to do its programmed checks. I have not figured it out yet, but there is supposed to be a way to move those programs out of your start up file and make the computer boot faster. I've tried everything I was told with no success
We are trying to set up a new Samsung LED flat screen TV to our Direct TV receiver and a Sony DVD player.?
Direct tv should have an HDMI cable port which you will connect to your tv using HDMI cable. You Sony DVD player depending how old it is might have HDMI cable port also, if not then you will need a component cable (3 rca jacks with the color Red, Green an Blue) for your video connection and use an optical cable for the audio. Your tv will the that input connection also. Check your owners manual of the tv for further instruction. Hope this will help you out
Built new computer, fans work, no beep, no LED's.?
Ah, this reminds me of an old problem I had. Checklist in this order: RAM Connections Chip Cards Board Supply Devices. First thing: make sure all the above are connected solidly (all the way in their sockets), facing the right way around, and not obviously defective. I know one bad stick of RAM can crash a system, one bad PCI card will crash the system, check for a Video Card problem, check your chip to make sure it's seated properly, there's the proper amount of thermal paste on there, that your heat sink is clean, and that the proper connections are in place.
Can You add 2 different LED voltages on one battery?
The first thing you must seem for is if your wallbutton has a mild on it or not. If it does you are going to must change that out to one that doesnt have a light. The wires that run your wall button is very low voltage and can be used to run a light (very small) someplace else. To find your up-limit switch and wire to the open facet with strong core low voltage wire then run the opposite from the wall button and your done
Starting solids when you baby led wean?
when i had my first they said you could start baby rice at 4 months and other baby foods at 5-6 months. With #3 they are now saying to hold off on any baby food till 6 months. But mine started getting rice at about 5 months, and at 10 months is almost off baby food.
Connecting two shift registers in series to glow 16 LED segments?
If they are just glowing - rather than lighting up, you may need to include pull down resistors to keep the outputs low when off
Read state from LED in another circuit
A better solution is an opto sensor attached over the led. You can monitor it without electronically connecting to the circuit. Nothing more than taping a ldr or photodiode over the led.
Tow LEDs are to be connected in series to double the light output. Each LED requires 1.4 volts at 12 mA.HELP?
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