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How much money can you save using a homemade led lighting. 10 blue leds with a a source of 5 volts. Cheaper than regular Answered

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Ya, it will not save you much but before that you have to decide if it will be useful to you practically. If it is ok , then go for it. It will be small for you but if you spread the word,( others will follow) It will be very good for our mother earth.

You won't. You won't like the blue light and you will end up using regular lights anyway.

Work out the total wattage - 1000 watts for an hour is a unit of electricity look at your bill to see how much 1 unit costs and the compare the LED wattage with the standard bulb wattage.

In general the answer is a LOT but it isn't going to make you rich.