Re: TI-H: IR detecter

To: ti-hardware@lists.ticalc.org
Subject: Re: TI-H: IR detecter
From: gussie@alaska.net (Grant Stockly)
Date: Mon, 2 Mar 1998 20:10:47 -0700
Reply-To: ti-hardware@lists.ticalc.org


>>Is it posible to make a motion detector, that is something that will tell
>>you when it's beam has been interrupted?

An easier one would be a hex inverter if all you need is motion detect...


>I have done that.  Not too hard actually.  I used an IR led, an IR
>transistor,
>a 555 chip and a relay (to handle loads larger than the 555 can source).
>A few support components and a power supply, and you're ready to go.
>Are you thinking of linking it to a TI?
>
>DK

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