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My homemade USB LED nightlight This nightlight, that I made has a USB plug to plug it to a 5v USB power supply, it uses a cool white cone type LED, and its resistor is 470 ohm, which makes the current at 0.011mA through the LED, in which I took my thermal gun, and it was around 76°F to 79ºF. Plus the watts on this is about approximately 0.0022w on my calculator. Then I wrapped in electrical tape to protect the leads. It can be also used as a mini lantern by a 5v portable battery charger that charges your cell phone. Plus I solder this all by myself. Keywords: Lit_Lighting

My homemade USB LED nightlight

This nightlight, that I made has a USB plug to plug it to a 5v USB power supply, it uses a cool white cone type LED, and its resistor is 470 ohm, which makes the current at 0.011mA through the LED, in which I took my thermal gun, and it was around 76°F to 79ºF. Plus the watts on this is about approximately 0.0022w on my calculator. Then I wrapped in electrical tape to protect the leads. It can be also used as a mini lantern by a 5v portable battery charger that charges your cell phone. Plus I solder this all by myself.

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File information
Filename:STA70475.JPG
Album name:lightingfan8902 / My lighting pics.
Keywords:Lit_Lighting
Wattage:0.0022 watts it said on my calculator
Lamp Type:LED
Filesize:413 KiB
Date added:Feb 06, 2018
Dimensions:2272 x 1704 pixels
Displayed:83 times
URL:http://www.galleryoflights.org/mb/gallery/displayimage.php?pid=22581
Favorites:Remove from Favorites

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lightingfan8902   [Feb 06, 2018 at 04:38 AM]
Just an update, the temperature around the resistor is 72°F degrees, not 76°F or 79ºF degrees, which is good.

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