[Spridgets] Not LBC.....electronics advice school project.

[Dean Hedin]

I can probably point you in the right direction.
But I need to know how you want to detect when something is near, and how
close is near?

Keep in mind that there are also off the shelf solutions like the sensors
you can buy that can turn on a light when a person walks in front of the
sensor.

http://compare.ebay.com/like/330378325716?var=lv&ltyp=AllFixedPriceItemTypes
&var=sbar

http://www.harborfreight.com/wireless-driveway-alert-system-93068.html


http://www.homedepot.com/h_d1/N-5yc1v/R-100685859/h_d2/ProductDisplay?langId
=-1&storeId=10051&catalogId=10053


The above are less than $20.  Sure you want to re-invent the wheel on your
breadboard at that price?  



-----Original Message-----
From: spridgets-bounces at autox.team.net
[mailto:spridgets-bounces at autox.team.net] On Behalf Of Linda Grunthaner
Sent: Wednesday, November 30, 2011 8:42 AM
To: Spridget list
Subject: [Spridgets] Not LBC.....electronics advice school project.

List,
Does anyone on the list have electronics experience that can help me with a
circuit I am trying to design for my class?

I only have a fair amount of electronics experience so I'm not sure what
parts I need. I'm a shop certified teacher and CAD instructor so I'm
familiar with tools and schematics and have built electronic devices. I
haven't dabbled in electronics circuits in years so I'm not sure what parts
I need.

I am trying to design a circuit (starting with breadboard) that will allow
a buzzer to buzz when another object comes close so it will have to be
wireless. Once I know what parts I need I'd like to make it as small as
possible perhaps 1/2.
Thanks Lin
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