[blparent] Light Probe.

[Judy Jones]

Hey, as long as it works, your ideas make plenty of sense.

Judy


-----Original Message----- 
From: Jennifer S Jackson via BlParent
Sent: Sunday, December 13, 2015 5:16 PM
To: 'Blind Parents Mailing List'
Cc: Jennifer S Jackson
Subject: Re: [blparent] Light Probe.

I do think both of these are incredibly useful tools.  Use the light 
detector in my color identifier now, but just because I never replaced the 
simple light one after the fire. It occurs to me that in the long run it 
might be more sensible to get this inexpensive item replaced instead of 
using the more expensive one for the simple task. Hmm, I will have to think 
about this as my reason for not replacing it was to keep it simple around 
here with fewer pieces of equipment.


Jennifer J


-----Original Message-----
From: BlParent [mailto:blparent-bounces at nfbnet.org] On Behalf Of Judy Jones 
via BlParent
Sent: Sunday, December 13, 2015 5:41 PM
To: Blind Parents Mailing List
Cc: Judy Jones
Subject: [blparent] Light Probe.

This is a piece of equipment I wouldn’t do without.

They are $20, and can be obtained at NFB’s Independence Market.

It’s a small device with 2 triple A batteries, and a sensor covered by a 
rubber “nipple” with a small hole in one end.  I have had one of these in 
the house for years.  I actually cut a slightly larger hole in the top of 
the nipple to let in more light.  Once that was done, I could stand at the 
top of the stairs and tell when our older daughter had her tv on late at 
night hahahahaha.

The device has a button in the back you push to emit a tone.  The higher the 
pitch, the brighter the light.

It’s interesting that daylight and candles have a solid tone, while 
artificial electric light has kind of a gurgly tone.  TVs and computer 
screens have even more of a gurgly tone.

We have laser Christmas lights, and it can pick up some of the light dots. 
I can also tell the difference between the red and green, because red is at 
a lower wave length than green.

I have used this for countless tasks over the years, but the thing that 
inspired me to write is that this afternoon I was able to program a garage 
door opener using it.  I scanned the directions with OpenBook, and the 
directions say you have to press and hold the program button until the 
display lights up.  Then you press the learn button on the motor, then press 
the button you want to use on the opener, and press again once display stops 
flashing.  Couldn’t have done it without the light probe.

What it is meant for is office use to tell when phone lines are lit or 
blinking, and I have a probe at the office, too.  I use it to test lighted 
magnifiers to make sure they are working as well.

If you all don’t have one, it would be a good Christmas present for 
yourself.

Another great item is the Independence Market battery tester.  I have one at 
home and at work.

Enjoy.

Judy
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