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coyotehunters

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I have built 3 cams using the rs pir.I am starting to work on #4 and was thinking of trying a different pir.the rs pirs seem to be working fine but i see all of the pictures on this site showing different pirs being used.Am i missing anything by staying with the rs pir.I see more ms20s than anything why is this.
 



Tinhorn

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I almost hesitate to post about this because in the past, we practically got into fights on this forum, debating between the 2 main PIR's (the RS vs the MS20)    (really)  :eat-burger:

All of the cam's I've built have the MS20 PIR but I have experimented with the RS lately.

Altho they burn more energy than the RS PIR, a 6v lantern battery last 5 or 6 months so I don't see that as a problem.

Another reason is $9  vs   $25 (or is it $29) for the RS model

I have no problems with Mounting or Modifications on the MS20, but there's a few more things to do with it compared to the RS (mods)

The MS20 is designed to be outside (on a Flood Light) but I don't really think there is a diff between the 2 in regards to this.

The MS20 is much more sensitive than the RS, some see this as a Detriment tho.....I don't, I think it's a plus

I can't think of any other comments but bet I left out something.  I did a report on both the RS and MS20 (more than one on the MS20 I think) you might do a search for, if you didnt see um.

I'd like to see the Lamson and X10 PIR's someday, they look interesting

Tinhorn
 

Gator

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I can't say which one is the best because I have only tried the Lamson.  But I have no complaints with it at all.  It costs about the same as the RS pir and uses very little power. I have had the same 9v battery in one of mine for 3 months and still going strong. The thing I like the best is that it can be used right out of the box no modifications necessary, unless you want to change it from a 1 min delay.
 

sven

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The RS unit is easier to modify than the MS20 unit.  I think that is one of it's biggest draws for newcomers.  The MS20 has been in use for a lot longer time than the RS so you are going to see a lot more cams using it.  

I built my first 2 cams with the RS unit for 2 reasons.  1) the ability to use the 9V battery instead of the larger lantern batteries or multiple batteries needed by the MS20.  2) the ease of modification.  It's been a few years since I had messed with any circuit board electronics.  This was the easiest method to build a cam at the time.

Currently I'm building a couple more cams using Hamiltoe's board.  His board offers an all-in-one package.  Pir, timer, and trigger.  I have one board soldered up, and have just started assembling the second one.  

Back to the original question, I don't think any one is better than the other.  Some may argue technical specs, but they all seem to do the intended function well.  They just come in differnt packaging.
 

davered1

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Although I have used the MS20,RS and the Lamson I have found I like the RS for one reason. It only triggers out to 30' usually. Most cameras can'tge ta pic at night past that anyway.

Although there was a post just a day or so ago that the MS20 with proper fresnal spacing can be limited to 30' so what can I say.

Use them all it's more fun knowing you have built one of all the cams anyways

:im-with-stupid:
 

Possum

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He He LOL! Here we go again.  I have both.  The RS and MS20.  I like them both.  Both have pluses and negatives.  I will tell you this.  My RS runs on a 9v battery.  When I leave it 2 hours away for a month, I know the battery is dead when I get back.  That's around $2.50 x 12.=$30.  Now I have the Ms20 modified for a 6v lantern battery.  Lifespan 5-6 months.  $6.00 x 2. = $12.  I like the ms20.  I'm sure (and think Tinhorn might have) you can put the 6v on the RS PIR, but I haven't tried.  Both are good.  Long live the flashing Homebrewers!
 

Tinhorn

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Flashing HomeBrewers,  I like that Name......
 

kc

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Possum,

How did you wire your RS pir?  I run mine and a Tinhorn timer off the same 9v battery.  After a month, a new battery is down to 7.5-8v, but it still works.
 

GregA

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What about the AmerTac? Has anyone tried it? I have used the RS and I've now started using the AmerTac from Wal-mart ($12). It is very easy to set up and works great, so far. I like the built in dc adapter for powering the unit with 4-C batteries.
 

BULL MOOSE

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What is the Ameritac? This is the first that I have heard of it. Is it more like the MS20 or the RS?
 

GWHunter

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Welcome to the board GregA!

Are you using the OWL PF and have you tested the maximum range of the Amertac?
 

Possum

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kc, I wired it just like Jesses page said.  I guess I should have clarified myself a little more.  After 25-30 days I replace the 9v battery anyway because I am so far away.  I don't take a chance of it running completely out.  Both are great units no matter what you choose.  After wanting one for years and then getting three in one year - hey, I'm not complaining.  Then there is all the tech support.  
By the way, I followed Tinhorn's wiring diagram for the MS20 on the second one and took out all the parts he says to. The first one I left some of these in.  The parts are used when the unit is working off of 120v.  The second pulled a lot less juice than the first one did.  However, with the 6v battery amperage it wasn't worth going back in and fixing the first one.  It still works fine.
 

GregA

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Thanks GWHunter. Yes, I am using the OWL PF. I'm not sure on the maximum range. I've tested it to about 20'.

The Amertac is a closet/garage light that has a built in daylight sensor. I just clip the light sensor off and use the power for the light to run the relay. It has a 30 second run time and wiring it up is like wiring up the RS at the speaker output.
 

homer

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GregA, What relay and batterys are you using?     Thanks Homer
 

sven

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The Ameritac is something new that Walmart is carrying.  It should be located in the same isle as the MS20.  I looked at on briefly just out of curiosity the other day.  Like Greg said, it's a light with a pir meant for use in a closet, hallway, garage, etc.  It's uses C batteries, either 4 or 6, I don't remember.  This looked like a very good setup for use with a cam.  A creative person could probably stick a camera in the existing housing if they really wanted to.
 

GregA

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It actually has a built in holder for 4 AA's. I'm using 4 C's with a 5V reed relay. It has a plug in for a power adapter (5.5x2.5) that I'm using. I pulled the board out and tossed the housing. I still use the built in frame for a fixed distance to the fresnal lense.
 


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