The use of LED camera as flashlight, that’s one of the things that we want to use to make our lives easier and is also very effective when it has no scope to Flashlight hand.
There is a moment, I decided to whip up an article to explain the various ways to use the LED flash as a flashlight . It was rather a kind of troubleshooting while waiting for a real solution. Of course, Windows Phone HTC brand does not need it because the manufacturer provides a Flash application for its Windows Phone models.
For others, know that a new application of flashlight is available in the PiercingFlashlights. This is Flashlight 7 that you can download for free via the button below:
Unlike White Light, the application will not flash your LED as was the case on the Samsung Omnia 7.
Note that as any application using the flashlight, the HTC 7 Mozart does not support it. In fact, the unit has a flash similar to that of a camera (discharge) that use xenon, which means it is impossible to turn on the flash continuously on the Windows Phone.
You are handy and want to test ultracapacitors in a concrete project?
Antoine Roussel shows on his blog “The creative family” how to make a flashlight using a supercapacitor:
The author explains step by step the steps to take and the components to be used in adorning Article photos and wiring diagrams.
The result is a flashlight that illuminates for 15 minutes (without loss of brightness) and recharges quickly. Antoine Roussel goes even further by adding a USB device port to easily recharge his flashlight from a computer, a car radio or other electronic device with a USB (charging is then in 1 minute).
This system is clever at exploiting energy from the supercapacitor because it uses a Joule Thief to raise the output voltage.
We do not recommend against use by the specified load process.
See this article: How to charge a supercapacitor?
Components necessary to achieve the flashlight with supercapacitor :
- Un supercondensateur 10 Farads (10F / 2,7V)
- A white LED
- a transistor
- a tor
- A 1 k ohms resistance
- Some thread
- A prototyping board
The result in images:
Antoine updated his flashlight mounted supercapacitor:
Improved immortal flashlight
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