Calculating of the heat dissipation of a LED - Physics Forums
Jun 1, 2022 · The discussion focuses on calculating the heat dissipation of a Seoul Semiconductor LED (model SZ5-M3-W0-00) with a luminous efficacy of 157 lm/W at 700 mA. …
How many LED's are in a typical LED monitor? - Physics Forums
May 19, 2010 · A typical LED monitor utilizes LEDs primarily as a backlight rather than as individual pixels. In a 20-inch or 24-inch LED monitor, the backlight configuration can consist …
Observing Emission Spectra from Computer Screens - Physics …
Dec 4, 2021 · This discussion focuses on the observation of emission spectra from computer screens using a DIY spectroscope. It confirms that LED screens emit light through narrow …
How to change the color of an LED? - Physics Forums
Nov 7, 2018 · The forum discussion centers on modifying an LED backlight from blue to green for a digital thermometer used in a vehicle. The user initially inquired about using a yellow bulb …
How Do Optical Mice Detect Movement? - Physics Forums
Jan 18, 2006 · Laser-based optical mice offer enhanced surface detail detection compared to traditional LED mice, allowing for broader usability across various surfaces. This process …
How to turn on & off an LED continously for 1 second?
May 17, 2012 · Please help me the simplest possible way to turn on & off an LED continously for 1 second. Please don't suggest me to get it done by micro-controller, help me achieve my goal …
Strange glow from TV that is off. - Physics Forums
Jul 9, 2004 · The discussion centers on a phenomenon where a turned-off TV and nearby incandescent light bulbs exhibit a bluish glow. This glow is attributed to phosphorescence, …
My TV Cracks: Is It Heat or Discharge? - Physics Forums
Mar 11, 2016 · When you say flat screen, it doesn't mean much. Do you mean LCD, or Plasma, or flat face CRT. If it is LCD, is it LED backlight, or CCFL. (CCFL is high voltage) CRT based …
Is This....Right? Splitting LED colors is not working for me
Apr 2, 2025 · Google suggests why your prism might not be working and what you can do: 1. Light Source: Bright Sunlight: Prisms work by splitting white light into its component colors (the …
Building a Full-Spectrum LED Light Array for My Grow Station
Jan 27, 2012 · I recently began making a cabinet into a grow station. It's almost finished, but I'm having trouble with the lighting system. In the beginning the idea was to make a full-spectrum …