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Cheers for reply Euro, the problem with my dad is - he is likely to fall over badly the moment he gets up. His balance and movement are very bad. Thanks Bernard, very good solutions, greatly appreciated.

Hi again all, I have an urgent problem I need to get sorted asap - I need to set up an area detection CCTV which is connected to my PC to alarm for my elderly father who has dementia and has come home from the hospital today. I will set it up so that if he sits up in bed I will get a...

Ah well, will try it out for starters Hmmm, I still don't want to go the super-geek route but if it's cheap enough I might. I've got an old PC running XP and can get a Miniature covert camera from Maplin for £20.

OK, found a 'no minumum load' 500mw PSU on ebay, will get the 1amp max carry load relay from Maplins later. Awaiting delivery of soundbomb. Will let you know when the Noise Abatement Order arrives :lol:

Thank you very much Bernard, much appreciated :D

Indeed, I am not getting much further with my project. I am worried about blowing the components up with the 500mA PSU.

What's wrong with the relay? It's a 12VDC reed relay from Maplins. Resistance - 1050Ω ±10%, Current - 11.4mA, Pull In to Maximum Voltage - 8.0 to 22

How's this? Do I need any resistors?

Yes I am mad Matty - mad at the murder going on in our garden. I don't mind the alarm scaring the birds off when a cat comes in. The idea of this device is to let the cats know that if they enter the area they will be screamed at. This device won't be a nighttime thing, it will only be on during...

Thanks for the interesting, and some bordering on disturbing replies so far :lol:. Most answers are not what we have in mind though. It is just the area under the bush which is the problem. I have laid bamboo along the border to stop the cat rushing out, but sometimes a bird will wander under...

skyboy - Yup, I agree for that kind of problem the best way to go is a strong container.

lee2009 - That is a great system the guy has on that video, but I don't want to go that far (yet). Cheers anyway though, very interesting.

lol yes very serious, I ony want the alarm to sound for a couple of seconds so the cats realise they aren't going to get in unnoticed (they soon learn). The neighbours will be fine.

Hi again folks, firstly - thanks for the help I received when I last posted about setting up our house alarm. Everything running smoothly in that department. My new problem is - We feed birds in our garden which is lined with bushes and unfortunately under a certain small tree we have a...

Ah sweet! Thanks guys.

I have a Honywell AG6 external sounder and a quad sound bomb I want to run off an Accenta G4 panel. The G4 book says Low voltage output up to 350mA The Sound Bomb leaflet says 190mA The AG6 manual says 260mA Max. Combined sounder and strobe. So the total current required to run the 2...

Thanks for replies gents. Have fitted the Viper and calibrated it to my liking (touch wood). I broke the damn reed switch when pulling the circuit board out but luckily I managed to solder another one on from a spare door contact :roll: I have another question which I'll post in...

Cheers for the explanation Josh. It's going on the front door (or inside door, not sure yet but probably front) as part of a new system I'm installing at the moment. It will be on it's own zone. We need our hall PIR switched off when the alarm is part set at night so the front door needs...

I've recently ordered a Viper GLX for our system and reading the online brochure it says - First to alarm option. I haven't got a clue what this means so can someone explain this to me please? Cheers