Thanks, I will give it a listen.
Dave
At 01:57 PM 3/16/2009, Brian Buhrow wrote:
> Hello. The NFB Light Probe will already do all of this. If you hold
>it against the light in question, it will emit a tone if the light is
>present or not if it is off. In addition, I've found that it emits
>different frequency tones depending on the color of the LED. Yellow is a
>higher pitch than green and blue is lower than green. With some
>experimentation, and sighted verification, I believe you can learn the
>sound of green versus orange versus yellow, etc.
>I've used this to good effect on my IP telephones which show one color of
>LED for connected, versus another for disconnected.
>-Brian
>
>On Mar 16, 11:47am, David Andrews wrote:
>} Subject: Re: Senior project: Light Status Identifier
>}
>} >Project Name: LED Status Identifyer
>} >
>} >The Problem:
>} >I rely on a DSL modem for my Internet connection needs, as well as
>} >those for NFBNET.ORG. Since the connected server houses many
>} >mailing lists and web sites, keeping things connected is important.
>}
>}
>} The unit has a row of lights across the top, I presume these are
>} LED's, but don't know this for a fact. They are for power,
>} connection, Internet, data etc. They may be one of several colors,
>} and they may be off, glow steadily, or flash. When there are
>} problems I need to know the status of the light, its color, and
>} whether it is solid, flashing etc.
>}
>}
>} >Design Challenge:
>} >There have been devices, light probes, created in the past that tell
>} >you of the presence of light, and even may reflect its state (solid
>} >or pulsing etc.) I am not aware of a device that will tell you of
>} >the presence of light, its color, and state.
>}
>}
>} >Design Parameters:
>} >The device needs to be inexpensive, small, battery operated, and
>} >easy to use. Ideally you should put it against a LED, and push a
>} >button and it will tell you whether it is on or not, the color, and
>} >whether it is blinking. It could do this by buzzing or making some
>} >other sound in time with the pulse.
>}
>}
>}
>} >For Further Information Contact:
>}
>} David Andrews
>} Work: 651-642-0513
>} Cell: 612-730-7931
>} dandrews@visi.com
>}
>}
>}
>}
>}
>}
>}
>} David Andrews and white cane Harry.
>}
>}
> >-- End of excerpt from David Andrews
David Andrews and white cane Harry.
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