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My Overdue Gift to Mother NatureInstalling LED (vs CFL) Light Bulbs

Have you been pondering whether you should finally change out those compact fluorescent (CFL) light bulbs for some fancy new LED bulbs? Or (bless your heart) youre still on the incandescent train, possibly wasting hundreds of dollars on extra electricity bills enveach year? Its cool, we all have to start sometime! Well, I finally did the fairly quick research on LED vs CFL bulbs, and the answer was simple. Switch to LED now.LEDs are not perfect, but vs CFLs or Incandescent, its pretty clear that its time to switch.I actually pride myself on at least attempting to constantly improve upon my imprint on the environment. The crazy thing is that Ive actually had about a dozen or so LEDs in my pantry for at least a year or two.My frugal as brain kept saying if it aint broke, dont fix it, since I still had working CFLs in most of the fixtures in my house.While that was going on, I was reminded again and again through articles about the lack of electrical efficiency of CFLs. Combine that with the nasty Mercury inside and increased heat output of the bulbs, among other things, and Im ashamed to say it took me so long.Are LEDs Really That much Cheaper vs CFLs?Luckily for me (and you, since Im really not that smert) plenty of industry folks have done this research for us. You can use Mr. Google to do it yourself, but I found some numbers that pretty much knock it out of the park sofar as the cost of LED vs CFL or incandescent bulbs.

I cant take credit for the research behind that graph, that was the folks at EarthEasy. I did adjust the numbers on the individual LED cost, since theyve dropped considerably. They have a great site with other research on the subject and some great eco-considerate products too.

What you should quickly see is that there is a huge difference just in cost of LED vs CFL vs Incandescent. And thats really regardless of your actual housing situation. I have a fairly small house, only 1100sqft actually, plus a garage. But I counted 22 bulbs throughout my dojo!Your next steps in the LED vs CFL battleIf you need more reasons, Ill leave you to that research. While LEDs arent yet perfect, theyre clearly a much better necessary evil than CFL or Incandescent.But if youre convinced, make sure you buy Energy Star rated bulbs, since theyre an organization working to highten or uphold environmental standards. You can get bulk packs for a buck a bulb these days. (Say that three times fast.)Recycle, Recycle, RecycleYour next step is to find a place to recycle those old bulbs. Yes, thats really important! CFL bulbs contain Mercury and should be responsibly recycled. I have to admit, in the past I was pretty guilty of not taking the time for this, but not anymore.Its so much easier to recycle old electronics and bulbs these days so that they can be properly broken down. Often times very precious metals can be extracted from electronics and reused, which means less mining.

Check out your local big box hardware store and you might be pleasantly surprised how easy it is to recycle a lot of things there! Or check out Recycle Nation. Bravo to them for making this a priority and making it easier for US folks to do the same!Originally published at The Nomad Experiment.Would love it if you checked it out! Noochies!.


Connecting a Red/Green LED Cluster to an Arduino

This is a good candidate for the use of a mosfet. It will introduce a very small voltage drop which depends on the RDS-ON characteristic and the load current.simulate this circuit Schematic created using CircuitLabThe mosfet is on a N type and should be a logic level model so that is can turn completely on and have a small resistance with 5v drive.

Resistors R3/R4 are no really needed for mosfets since there is no gate current for static operation but I usually add them to provide some isolation to the I/O pin in case something goes wrong with the mosfet.

My Overdue Gift to Mother NatureInstalling LED (vs CFL) Light Bulbs 1

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1. The square downlight is an improved product developed on the basis of traditional downlights by using new led lighting sources. Compared with traditional downlights, it has the following advantages: energy saving, low carbon, long life, good color rendering, and fast response speed. The design is more beautiful and lighter. It can maintain the overall unity and perfection of the architectural decoration during installation, without destroying the setting of the lamps. The light source hides the interior of the architectural decoration, the light source is not exposed, no glare, and the human visual effect is soft and uniform. 2. The square downlight maintains the overall unity and perfection of the architectural decoration, does not destroy the setting of the lamps, the light source hides the interior of the architectural decoration, the light source is not exposed, no glare, and the human visual effect is soft and uniform. 3. Energy-saving: the power consumption of the same brightness is 1/4 of that of ordinary energy-saving lamps. Environmental protection: no mercury and other harmful substances, no pollution to the environment. (Experts pointed out: The mercury contained in a fluorescent energy-saving lamp can pollute tons of water). Economical efficiency: The cost of lighting can be recovered in one and a half years because electricity can be reduced by saving electricity. A family can save tens of yuan in electricity bills a month.
2021 08 25
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