Re: TI-H: IR detecter
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Re: TI-H: IR detecter
>An easier one would be a hex inverter if all you need is motion detect...
>
True, I needed a 5-10 min. delay from the trigger, so I included the 555.
Actually, you don't even need a hex inverter, since all you need is one
input, you could either use a transistor and a resistor (NOT gate) or just
use it as is, call it a normally closed switch.
>
>>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
>