[oopic] Re: OP AMP Circuit for PIR sensor

--- In oopic@yahoogroups.com, "jporterwbtcorp" <jporter@...> wrote:
>
> I have acquired a PIR D203S infrared motion sensor and I want to
> interface it to an ooBot 4. I have been testing it with a multimeter
> and I cannot get a readable signal out of it so I assume I need some
> kind of amplifer circuit to get a usuable level out of it. Can anyone
> suggest a simple amp circuit that I can use to do this? Thanks.
>
> Datasheet for the sensor is located at
> http://www.futurlec.com/PIR_D203S.shtml
>

Did you look at the circuitry on page 4 of the datasheet? You have a
sensor that requires A LOT of support circuitry before you can
interface it to a uC like the OOPic.

You should be looking at the PIR Sensor Module (with the dome cover a
little further down the page at Futurelec) that includes all of the
electronics. These are easy to interface. I have several that I use
for Halloween effects.

Richard

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