The house gate is some distance from the house. I've got power down there (and Cat5 to the house) and I want to add a box which shouts "please close the gate" a short time after the gate is opened, that flashes a strobe while the gate is open and, ideally, signals the house if the gate is still open after a period. In days gone by I might have designed something from scratch to do what I wanted but these days I'd rather just buy something that I can adapt. I've found the "chatterbox" from Hoyles but would prefer something cheaper - any ideas?
Speaking gate alarm ...?
Oct 04, 2023
Last reply: 2 years ago
10 Replies
An Arduino nano (and most other cheap dev boards) has enough flash rom for a sentence of digitised speech. It can flash your strobe and all that stuff as well. I used one for a speaking alarm:
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(your's would want more amplification and a bigger speaker no doubt!)
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+1 843 620 1451 snipped-for-privacy@hashandcannabis.com Los Angeles , California (USA)Its a pity that those attention vehicle reversing things could not have their messagescustomised. Brian
Other cheap dev board with 8MB flash
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User programmable talking switch (up to 30 seconds) that maybe could be modified
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As for a visual indicator I found the flashing LEDs to be extremely bright so maybe consider those in place of a strobe light. The LEDs have in integral IC that flashes the LED at 1 to 1.5Hz
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Thanks!
The buttons in that first link looked promising but gave me an idea for a better search, which came up with:
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Re the strobe: I've realised that I have one of the cheapie LED torches that garages sell for pennies and I can re-purpose the array in that to do what's needed.
That looks like a fun project but these days I don't want to go down to that level if I can avoid it ... too many jobs on the list already.
Alan_m's response has led to a simpler solution, I think.
How about an old-fashioned spring?
Double gates on a drive entrance. I think people would complain about both sides of their cars being scraped ;-)
Oh I see. So the motorist has to get out to open both gates, drive through, get out to close them again, then drive on out of earshot of your announcement. Unless the driver has a key to the gates, any driver could drive through. In which case you need an automatic gate-opener and closer depending on the car's presence. This would also deal with drivers who hear your English shout but don't understand it.
which is what most visitors have done for the last few years then drive on out of earshot of
A message will play shortly after they start opening the gates and continue until the gates are closed (disabled from, say, 21:00 to 08:00) Unless the driver has a key to the gates, any
A gate opener is on the job list, hence digging-in the power and Cat5. Unfortunately the job list seems to be growing, rather than shortening - currently replacing kitchen worktops, making kitchen cabs and refurbishing some windows.
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