Society of Robots - Robot Forum

Mechanics and Construction => Mechanics and Construction => Topic started by: cooldog on December 02, 2007, 05:08:52 PM

Title: IR LED
Post by: cooldog on December 02, 2007, 05:08:52 PM
anyone know where to get cheap IR LED's
Title: Re: IR LED
Post by: bens on December 02, 2007, 05:13:42 PM
digikey?
Title: Re: IR LED
Post by: cooldog on December 02, 2007, 05:14:57 PM
there like $4.00 for 1
Title: Re: IR LED
Post by: airman00 on December 02, 2007, 05:35:37 PM
goto fairchild semiconductor and get IR leds for free - hooray for free samples!
Title: Re: IR LED
Post by: bens on December 02, 2007, 09:16:52 PM
Quote from: cooldog on December 02, 2007, 05:14:57 PM
there like $4.00 for 1

Hmm, I'm looking at their IR emitter selection and most of them have a unit price of around $.30 to $1.5 with a minimum quantity of 1.
Title: Re: IR LED
Post by: Admin on December 05, 2007, 02:59:22 PM
LED's are easy to scrap from old electronics

The LED for the $50 Robot (http://www.societyofrobots.com/step_by_step_robot_step1.shtml) is only .19 cents . . .
DigiKey.com
#160-1034-ND
Title: Re: IR LED
Post by: cooldog on December 05, 2007, 03:14:26 PM
ya but i am looking for IR LEDs
Title: Re: IR LED
Post by: Admin on December 05, 2007, 03:22:24 PM
Quote
ya but i am looking for IR LEDs
oops . . . sorry . . . wasn't paying attention . . . :-[

anyway, TV remotes have IR LED's you can scrap . . . what do you plan to do with it?
Title: Re: IR LED
Post by: cooldog on December 05, 2007, 03:36:10 PM
i know that you don't like books that tell you how to build robots
(i read it some where)

but i found this book for making a all terrain rc robot with night vision and a cammera so i am trying to get all the parts togeather

the reason for the IR LEds is because only a camera can see then so it's perfect night vision

also there is only one IR LED in tv remotes and i need about 24
Title: Re: IR LED
Post by: ed1380 on December 05, 2007, 03:42:45 PM
24x$4= $96

there are some small camera's with built in IR LEDs and night vision
Title: Re: IR LED
Post by: Admin on December 05, 2007, 04:18:05 PM
Quote
i know that you don't like books that tell you how to build robots
(i read it some where)
I think you read the post where I said I didn't like people posting pirated copies of books (that teach how to build robots) on this forum . . .


anyway, get your LED from mouser.com because they don't rip you off on shipping:
the infrared LED emitters (http://www.mouser.com/search/Refine.aspx?Ne=1447464+254016&Ntt=*infrared*+*LED*&Ntx=mode%2bmatchall&Msb=0&Mkw=infrared+LED&N=1323038+1323043+0&Ntk=Mouser_Wildcards) they have can be bought for like $10 for 25 of them
Title: Re: IR LED
Post by: airman00 on December 05, 2007, 06:00:42 PM
hello!


Free samples
http://www.fairchildsemi.com/sitesearch/fsc.jsp?command=eq&attr1=AAAFamily&attr2=Emitting+Diodes (http://www.fairchildsemi.com/sitesearch/fsc.jsp?command=eq&attr1=AAAFamily&attr2=Emitting+Diodes)

Or if you can buy it from them , for super cheap!
Title: Re: IR LED
Post by: cooldog on December 05, 2007, 06:04:47 PM
ya i tryed there but when i tryed to check out it told me to contact this guy and he isn't returning my e-mails
Title: Re: IR LED
Post by: airman00 on December 05, 2007, 06:14:31 PM
Quote from: cooldog on December 05, 2007, 06:04:47 PM
ya i tryed there but when i tryed to check out it told me to contact this guy and he isn't returning my e-mails

tried to order or to get free samples?
Title: Re: IR LED
Post by: cooldog on December 05, 2007, 06:18:45 PM
free samples
Title: Re: IR LED
Post by: bens on December 05, 2007, 06:31:34 PM
That's probably because the guy can tell you're not representing a company considering using their parts in a new design.
Title: Re: IR LED
Post by: airman00 on December 05, 2007, 07:18:55 PM
you need a nongeneric email adress ( gmail.com , yahoo.com , etc.)

I use hotdak.net or irishnation.com to pass by these filters
Title: Re: IR LED
Post by: cooldog on December 05, 2007, 07:35:18 PM
is hotmail okay
Title: Re: IR LED
Post by: airman00 on December 05, 2007, 07:38:58 PM
nope


sign up for a free email account from irishnation.com

thats what I did!