Microscope Led
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Microscope Led
How to make fun with laboratory equipment- USB digital endoscope microscope camera?
USB Fever has a real eye-opening item on offer: the USB Digital Endoscope. Or someone may call it as USB digital microscope. The more funs it bring to electronics gadgets is to let us see more clearly on what you want to see.
This USB digital endoscope microscope had been made out for a long time. But manufactor had updateded it day by day so that its technology is very high now.
Generally speaking, there are three styles USB endoscope in the market, according to Etronixmart which has a full arrange of digital endoscope. The first one is with desk holder. This is the normal but with a very big market. Just forcus the LED focus to the object, and adjust the manifiaction. Thanks to the LED light, it will take a clearer photos even in dark. Usually the light will be turned on once connected with computer. At the same time, you will see the photo which is manified up to 200x, 400x showed on computer. The funny thing is that you can take photos on every "tiny" item you are interesting. Because it looks like a professional microscope, people will think you are researching but not playing. Mum will love you if you study hard, isn't it?
But it is not just a tool to help you to make funs. For a watch repair men, engenieer, educater, old mum, it will help them to see manified pictures on the computer if they want to see clearly on the tiny items. For example,USB endoscope will help people repair watch more convenience. Because of the complecated frame of the watch, watch repair men are very difficoult to see clearly the inner side of the watch. But with the digital microscope, they can see the parts of tiny frame. This will help them a lot.
The second one is with snake shape stick endoscope. The best advantage of this endoscope is that they have a long enough stick tubar. The camera lence is built at the end of the "stick". So it can help you to reach anywhere your hand can not touch. For example, it can dig into the car engine. Then you can see clearly what the problem is. Also the manified photos will be showed on the computer. But anyway, it help you see the place you can not reach.
At the same time, there are different forus "head" with the endoscope. This is for focusing different target.
The latest one is "wireless USB endoscope camera". It comes with a wireless adapter. No USB cable connecting to computer any more. Just plug the wireless adapter into the USB slot on the computer, then the photos will be showed on the computer once it receive the signal from the endoscope. The effective distance is about 3-5 meters. It is enough for you if your house is not very big. But it gets more difficoult to setup the driver.
With its magnification supporting up to 200x, You can observe any part of your body, in particular the parts that you could not see before. Frequent observation and knowing what your body looks like in its normal, healthy state make you more alert to any abnormalities and will lead to early detection and treatment of illnesses.
About the Author
http://www.etronixmart.com/usb-digital-microscope-c-35_46.html
What makes an LED "bad"?
I work at a company where they hand-solder LED leads onto wire. All the LEDs are tested before they are soldered and again after they are soldered. From a lot of 25 pieces, 8 of them do not light up under a 20mV DC power supply after they have been soldered. I've looked at them under a 40x microscope and the wire that connects is still intact, exactly like the LEDs that light up. I think the heat from the soldering iron (500°F) may have ruined them, but what exactly have they ruined to make 20% of the product fail and 80% of the product pass?
Heat is VERY bad for LEDs
http://en.wikipedia.org/wiki/LED_diodes#Lifetime_and_failure
You may need a heat clamp to protect the LED during soldering. Contact the manufacturer about the recommended way to handle their LEDs.
MICROSCOPE LIGHTING KIT - LED RINGLIGHT WITH POLARIZER/ANALYSER