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Agreed. I think that for most people, Win 7 was the pinnacle of the Microsoft desktop OSs. It' no shame. All products reach a peak at maturity and then slip into decline. It's the natural order. With respect, the Start Button issue is a trivial distraction. It's only a symptom of buggy...

Does any one ever select the cable on the basis of mechanical strength? I've chosen eight core (7/0.19mm²) for the sensors /detectors, and three core (24/0.2mm²) for the bell boxes. I could have gone with thinner four core alarm cable, but I decided that it was too thin for passing around the...

I think that this is absolutely true, but you've got the wrong subject. I suggest that Microsoft and Windows might die soon. Windows is only now installed on 14% of mainstream computational devices. 86% of computers run Linux or at least some flavour of *nix. That figure increases...

Perfectly reasonable question, Europlex. Do you have much experience? I tried to look up your profile, but you're keeping it secret...

o_O Why do you ask?

Holy crap! My house is built of egg cartons? Seriously, I Googled them now that I know what they're called. If they come in 3' x 4' sheets, how do you manage to stack them end on end and get a vertical and straight wall? You don't do you, because some of my partition walls are well out of...

Me again. Why would systems use six cored cable? Is it for convenience, or is this just an off the cuff generalisation I've taken out of context? If it is, please disregard this question. As I see it:- six cores = PIR contacts + traditional tamper + power but, considering this thread...

How do you do this? Does it require any additional kit like a charger /dummy load? Surely it's can't be as simple as just measuring the voltage, as the health of a lead acid battery is determined by it's storage capacity and not it's terminal voltage. The Yuasa test method seems to require...

I live in a house made by Bellway around 1985. It’s an entry level house. The walls are plasterboard lined, over blocks on the outer walls. But the inner partition walls are mysterious. They’re about 50mm thick and seem to be made entirely of plasterboard without any studding inside. I don’t...

Absolutely, and thanks for your inputs. They're very useful. I know that it's sometimes difficult to keep a thread on topic, but the question was "Have any of you ever heard of someone deliberately TAMPERing with a domestic customer's burglar alarm?" I think that specific question has been...

Don't know how big your garage is, but try moving the sensor to an area furthest away from any mains wiring and toggle the lights. If it's a radio key fob, you might have to go some way from the lights to eliminate the interference. Ultimately you'll be able to confirm the interference by...

It's probably electrical interference from the lighting circuits toggling the arm signal within the cheap motion sensor. Not unexpected. How close is the sensor relative to any of the lighting wiring /lights?

So. This thread is a week old. It has been viewed 486 times and replied to by eight individual people whom I gather are professional installers. Other than an example from 1966 (sic), no contemporary anecdotal evidence has been offered as to a burglar ever tampering with a domestic alarm. I...

I've seen internal IR beams that only have one active component. There is a combined transmitter receiver at one end, and a reflector at the other. Might there be such for external applications? Common sense suggests that you might have issues keeping such a reflector clean for reliable...

I've just run a search for "shock sensor" on this forum, and it returned 117 hits. I've scanned some (not all) and there seems little mention of shock sensor analysers such as https://www.securitywarehouse.co.uk/catalog/aritech-gs615-single-zone-analyzer-p-2125.html There seems much debate...

Honestly I would have thought so too. As the battery degrades over time, it must still have some residual capacity. They don't just die a total death and implode. If that residual capacity can support the alarm panel through very short power cuts (say 5s), the alarm might not go off during...

No way, you guys have all the experience. I don't know nothin'. It's just that none of your six points includes the word "burglar" which was my original question.

Geez, :whistle: 400mA seems a lot of milliamps simply for resetting LEDs.

Sorry, I'm not criticising. I'm trying to do a good job in a quarter of the time for half the budget. Usual story. It's just that I've looked at some alarm accessories like surface contacts that might go with a new alarm panel. I also Google Imagesed “EOL shunt resistors”. I found, including one...

I found this a year ago. My roller garage door contact decided that open circuit was actually somewhere around 200Ω. I always believed that a reed relay was for ever.