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Lost model alarm ...

Old 08-24-2016, 02:09 PM
  #1  
solentlife
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Default Lost model alarm ...

Anyone ever use one of these ... says for DJi but looks to me like suitable for any model if it can take the weight .. 36gr

http://www.ebay.co.uk/itm/New-Anti-l...8AAOSweuxWTSVE



Nigel
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Old 08-24-2016, 03:37 PM
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The Chinglish is so appallingly bad that I cant even figure out what is does?

Seems that it maybe just has a simple alarm that goes off after a pre-set time delay? But then it has a little PCB that is connected to the drone but not physically connected to the alarm unit. So what does that do?

To be honest I've never really seen 'lost model' as being a big issue for typical line of sight RC flying? For those who fly at great distances by FPV then an audible alarm isn't really going to help, a GPS tracker would be the better option.
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Old 08-24-2016, 04:01 PM
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solentlife
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I fly at two fields that Lost Model Alarm is a godsend ... you can be within a couple of metres of a model and still not find it.
I spent over 1/2hr in one of them trying to find my Teksumo ... near trod on it when I finally found it.

One of the problems with Lost Model Alarms is as my other thread on it ... if the main power battery gets discon'd - the alarm is dead.

I've been looking on eBay at various lost item alarms and it seems that there are solutions ... just takes a bit of juggling to see how to use it for us ... examples :

http://www.ebay.co.uk/itm/Mini-Bluet...oAAOSwvFZW6-Oc

Mini Bluetooth GPS alarm .. 5.29



http://www.ebay.co.uk/itm/Mini-Nut-3...oAAOSwcvdXOn9I



http://www.ebay.co.uk/itm/Bluetooth-...IAAOSwr7ZW77cl



Many of them ... think I'll try one at least ... see what happens.

Nigel
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Old 08-24-2016, 05:36 PM
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I like it. Great price as compared to the Tile. Let us know your findings.

Here is a YouTube review: https://youtu.be/RriQCMXp1vo

I can especially see the need with the small, 250 fpv racing drones. Guys at our field are constantly out looking in the tall grass.

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Old 08-24-2016, 09:47 PM
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Yea, I fly over fields with extremely tall grass/weeds plus blackberry patches to boot. As mentioned one could be 5 feet from the plane and not even see it or hear any servos moving. I actually use the alarm that one puts on a channel and switch it on if lost. Of course as mentioned, the downside is that if the battery becomes disconnected you're still looking for the old way...so far I've been lucky and not had that happen.

If someone would make one that could be activated by the Tx yet have it's own power source...but I've not found anything like that.
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Old 08-24-2016, 10:18 PM
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This past weekend I lost my foam delta fpv wing in the woods at the far end of the club field. The battery was still plugged in and I had video with static until I got closer to where i thought it went down, and then only static. The beeper I use is the hobbyking "Befound"alarm and it is to quite to hear unless your very near. It's also a sound[pitch] that my 60 year old ears can't hear very well.

This fpv wing would still be in the woods if it wasn't for the motor being able to work and with the small prop spinning. It's very loud. My friend and I were looking in the wrong area before I remembered to try throttled up and was shocked how far away the wing really crashed.

Certainly there should be a way to connect a smart phones gps with google maps to a homing tag so we can see where we are on the map/google picture of where your standing and where the lost wing is located. My friend did a route map from the crash site back to the runway and it showed on google map picture of our field and the 9 minute walk to retrieve the wing!! Very cool.
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Old 09-14-2016, 01:42 PM
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Well I have not been able to get any test done ...

a) The chips I bought do not work with Blackberry.
b) My Samsung phone will not upgrade to suitable 4.x Android - so is not compatible with the chip.
c) My Android Tablet with 4.2.2 - the iSearching App keeps crashing.

I am thinking to buy a simple dedicated cheap 7" tablet with 4.4 Android for this and a small other jobs ... only $49 on BG.

Nigel
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Old 09-14-2016, 09:55 PM
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I was looking at a smoke alarm yesterday and wondered if the guts could be adapted to a servo operated alarm. They are certainly loud enough to hear from several hundred meters. Just failsafe the servo to trigger the alarm.
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Old 09-14-2016, 10:33 PM
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I posted here at Wattflyer a loud alarm and how to use the HobbyKing servo switch to activate it. I just read that activating this loud smoke alarm type buzzer can interrupt flight controllers on multi rotors when in flight.

It's installed on my Tarot 650 sport quad. it sounds every time i plugg the battery in for a single blast. with a switch on the tx it sounds off very loud and can be heard just like a smoke alarm. The buzzer was purchased at Radio Shack.
http://www.wattflyer.com/forums/showthread.php?t=53572
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Old 09-15-2016, 07:21 AM
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Originally Posted by Panther View Post
I was looking at a smoke alarm yesterday and wondered if the guts could be adapted to a servo operated alarm. They are certainly loud enough to hear from several hundred meters. Just failsafe the servo to trigger the alarm.
I used to adapt smoke alarms to use on boats. Bilge water alarms are silly price and really only same ....

The smoke alarm only needs a two core cable to bridge the test button contacts with switch at other end.

Problem here though is we are going back to a unit that needs Rx to remain powered.

I am now looking at the Car GPS trackers which send via Sim card GPS coords SMS message.

The Bluetooth chips I have - I will sort android for those.

Nigel
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Old 09-16-2016, 02:08 AM
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I to have been researching locators for cars,keys pets,ect..ect. Let me know what you try Nigel. I read the reviews and get mixed info on how they work. Some blue tooth/gps tags/locators have limited range.

I want a light weight tag to attach to whatever I'm flying and see its location on google maps or the google earth pictures of my flying field. I would just walk right up[or drive] and pickup my little quads. If they go down do to lost video I am screwed and searching large areas when it was on the edge of the runway the whole time....

Thats what hapened to me last weekend. We couldn't hear the beeper alarm. my fpv bud found it by using the static reception in his goggles on the edge of the flight area while I was searching far off the beaten path. My goggles had me thinking the direction was down the hill. All part of the hobby and I could always use a 40min hike for my health
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Old 09-16-2016, 05:17 PM
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I think you're going to like the next AirWare update, so long as you're using one of our newest receivers (SPM4649T, AR6600T, etc.)...

Andy
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Old 09-16-2016, 05:30 PM
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The main point I am after is to have an alarm finder that does not rely on power from flight pack / Rx. Too often the flight pack gets disconnected when it does it ejection seat impersonation !!

Nigel
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Old 10-08-2016, 07:09 PM
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How about this ... OK range is about 30m ... but its independent of flight pack ...

http://www.ebay.com/itm/Remote-Wirel...QAAOSwrXdXJx4h



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Old 10-08-2016, 07:42 PM
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Now ordered ............ fingers crossed this will work !!

Nigel
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Old 11-05-2016, 05:10 AM
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Another one without monthly fees attached

http://www.smartfinancialtips.com/tr...FQsnvQod8loN2w

Looks OK so far
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Old 11-05-2016, 09:55 PM
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Originally Posted by solentlife View Post
Now ordered ............ fingers crossed this will work !!

Nigel
Did you receive this yet ?

I ordered one.

Hawk
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Old 11-06-2016, 02:27 AM
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thinking of getting the "Keyringer" finder. It has a range of 300ft. is said to be very loud and has an adjustable volume. Can be activated by one of the 2 units in the package.

It comes with a warning to not have the finder near animals or anyones ear when set to the loudest setting. Only wish there was a video demenstrating it being used outdoors. I'v search but found only reviews typed which all seem to say it screams on high volume.


http://www.keyringer.com/
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Old 11-06-2016, 05:37 AM
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Originally Posted by tobydogs View Post
thinking of getting the "Keyringer" finder. It has a range of 300ft. is said to be very loud and has an adjustable volume. Can be activated by one of the 2 units in the package.

It comes with a warning to not have the finder near animals or anyones ear when set to the loudest setting. Only wish there was a video demenstrating it being used outdoors. I'v search but found only reviews typed which all seem to say it screams on high volume.


http://www.keyringer.com/
Now that does look good.

Nigel
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Old 12-18-2016, 12:16 PM
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http://www.ebay.co.uk/itm/2918630383...%3AMEBIDX%3AIT

GSM / GPS lost model and video unit

Just ordered this - I realize its 2G but many providers still allow 2G and only some are phasing out ....

Its designed for Phantom Drone - but its compact, self powered etc.

Nigel
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Old 12-18-2016, 04:55 PM
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Very interesting Nigel, I hope it works for you. The only thing dedicated to the Phantom Drone would be the mount.

Do some tests and let us know how well it works.
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Old 12-19-2016, 12:21 AM
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The 'key finder' in post 14 was sent back by local customs to seller, seller refunded money.

I have now ordered same via an EU based seller to avoid customs problems.

Nigel
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Old 12-19-2016, 12:28 AM
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Customs don't miss much do they. Makes you realize they are watching...
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Old 12-19-2016, 12:44 AM
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Just ordered this...http://www.keyringer.com/

300ft range and hopefully volume is really loud. Will post results and a video if it's any good. I figure if it works,the biggest hassle is how to attach it to so many different type flyer's like smaller quads. Maybe velcro strap it to the batteries.
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Old 12-19-2016, 02:24 AM
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The Keyringer - when I checked was not available to Latvia .... will check again.

Nigel
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