Full ALPR Database System for Blue Iris!

wpiman said:
I do have a utility pole in my yard that the plows steer clear of. I don't know what the power company would think of me mounting a box to it?
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Mount it with an official looking placard from a fictitious utility with a bogus phone number and some sort of ID. No one will bother it.

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wpiman said:
I have a Raspberry Pi with a RTL SDR in my attic with the antenna up as high as possible. I suppose I could get a second one and use a Raspberry Pi I just decommissioned. I could probably get it pretty damn close to the street-- but the problem here in New England would be the plows. Lots of people mailboxes get taken out every winter-- having a box with an antenna anywhere within 3 feet of the road is bound to get destroyed by a wall of snow.

How close are we talking here? What about something like a can antenna that is unidirectional? I do have a utility pole in my yard that the plows steer clear of. I don't know what the power company would think of me mounting a box to it?
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wpiman said:
Ok- last night I was telling my wife how a bunch of nerds on this forum were trying to read tire pressure data off of the cars on the street in addition to the plates. We had a good laugh making fun of you all....

Now, I just installed rtl_433 on my SDR raspberry Pi and I am now reading some Hyundai TPMS on my street. My neighbor has one but I don't even see it in their driveway.

I am all in on the TPMS.

Apparently, one of my neighbors has a ThermoPro meat thermometer as well!
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wpiman said:
Ok- last night I was telling my wife how a bunch of nerds on this forum were trying to read tire pressure data off of the cars on the street in addition to the plates. We had a good laugh making fun of you all....

Now, I just installed rtl_433 on my SDR raspberry Pi and I am now reading some Hyundai TPMS on my street. My neighbor has one but I don't even see it in their driveway.

I am all in on the TPMS.

Apparently, one of my neighbors has a ThermoPro meat thermometer as well!
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Nerd here checking in.

What's the distance from your receiver to the road?
 
wittaj said:
Are you getting any captures when a car goes by?
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No.. I managed to see two cars at one point... I see just my neighbors thermopro TP12 meat temperature monitor. I switched to the 915 MHz and I see my weather stations....

I ordered a second RTL SDR and a 433 Mhz Antenna
 
prsmith777 said:
Nerd here checking in.

What's the distance from your receiver to the road?
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I am about 80 feet from that park of the house with the antenna high up in the attic. The Hyundai that was showing up-- I have to imagine that was parked somewhere. I live in a town with 2 acre zoning so it isn't like we are on top of each other.
 
PeteJ said:
What's the transmission frequency from TPMS while the vehicle is in motion? From the screenshot, looks like once every 5-10 sec?
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It had to be around 433 Mhz.... Are you talking about the transmission period? I am not sure.

I am not capturing every car-- that is for sure. I have not see our car.
 
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