I don;t think it will, copper circuit board tracks which is what veroboard is tarnish very quickly within weeks. Most circuit boards are coated with a protective layer to stop this oxidation process.
So why is copper still occasionally used as roofing material if it doesn't last... I don't think copper oxide, or copper salts depending on the pollution in your area, are insulators unlike say aluminium oxide.
Main reason is so you don't have to mechanically clean the tracks before soldering rather than corrosion eating them away. Coatings post assembly are to stop damp or muck shorting tracks or getting at the board.
So do I, in that I've never thrown any of them away since 1972. I have most of the Everyday Electronics up until it stopped, and then a complete set of Elektor for some years following. Also much less complete sets of Practical Electronics, Practical Wireless, and ETI, when they contained something which grabbed my attention. I haven't routinely bought any for last 10 years or so now though, but I do regularly design and build my own electronic projects.
it was Velleman). It was quite low power suitable for battery operation, but had a separate connection for the drying heater, which made it non-battery suitable if you wanted to use the heater.
In message , Andrew Gabriel writes
My collection of PE must date back to the late 60s elektor, ETI, EE and WW somewhat more sporadic. I still subscribe to E&WW, but I don't think I'll renew the subscription when it runs out
I think it won't be long until they are all destined for the great skip in the sky, along with all the IEEE publications etc
Too much 'kin junk !
And not be able to look back on all the Amstrad ads and the wonders that once were
"1970 Amstrad's first electrical product, the popular Amstrad 8000 amplifier, priced at pounds 17.70. Sugar says later: "It was the biggest load of rubbish I've ever seen in my life."
1974 Begins marketing the 6000 and 7000 stereo cassette decks, which sell well through the new chain of Comet Stores. They include a "chrome" tape button that is not actually connected to anything. 1976 The EX range of AM/FM tuners, featuring a meter to indicate the sound quality. In fact they showed perfect sound no matter what the signal quality."OK .. if we are going nostalgic.
I bought my Sinclair Black watch kit from an Add in Practical Electronics - really cool :-)
I bought an Haversonic stereo amp kit from Practical Electronics ... only took about 6 months to build and get working, using of course a trusty twin beam scope and Avo 8.
I buily quite a few variants of John Linley Hood projects .. he was the manin man of audio designs. (not sure if he is still around)
I have serveral years worth of ETI ... which I thought was the best of the bunch until it went EPROM & micropocessor based on everything ... so stopped buying it in mid 80's (is it still going ?)
Watford Electronics was the way of the future - sold everthting !
Have the first few years worth of issues of Everday Electronics, staryting with issue 1 and free veroboard kit ! .. .still has pack of resistors stapled to front page !
As somebody else said ... proably time to put them all in recycle bin.
OK ... went to MAPLIN web site they do sell a Velleman water detector kit, which is totally useless ... it has a simple 2 copper wire detector ... when it's wet it switches a single transistor to sound a buzzer .... It will keep sounding untill it dries, which in UK Summer means battery will not last very long.
Come on guys somebody must know of a better sensor ?
Now if sombdoy knew how to get a car water detector working that may be a good plan ... I have a glass roof to kitched & conservatory so plenty of places to put it.
I bought a water detector in lidl about five weeks ago, they were ~£5. Small sensor connected to a battery box with a chime/alarm in it. I suppose it would make a rain alarm but the surface area is a bit small. I expect it would work with a strip board wired alternately to increase the area. They were also marketed as bath overflow alarms so you may get something similar in boots.
It would certainly work if you put the sensor in the gutter once the water reached there.
Put a big capacitor in series with the buzzer, then the buzzer will only sound until the cap charges.
Also put a high value resistor across the capacitor to allow it to discharge, or it will only work once :)
cheers, Pete.
In message , Rick Hughes writes
A legend in his own linear response
Which was different to Tomorrows World at the time, how exactly ?
Cardiff Road was 5 minutes walk - I went past the place a fortnight ago
And the resistor wire bending former, and ...
Maplin did not have anything other than a simple 2 wire detector - too insensitive and once wet would continue to 'trigger in UK weather not much use.
An update ... in case anybody does a similar search in future ... found a detector module on line ... which has a built in heater to dry it when rain stops:
Optical rain detection systems typically work by launching IR light into the windscreen.
The light is confined to the windscreen through total internal reflection (TIR)
When there is water present on the windscreen it no longer undergoes TIR, but is effectively coupled out of the glass, resulting in a drop in the received signal.
A simple system, the clever parts are establishing the launch and receive locations such that the system works reliably without lots of unnecessary triggering.
On coming light should not really be a problem providing the operating wavelength is well chosen and the receiver appropriately filtered. I would also assume the light source is modulated at a few kHz, which is a standard technique to reduce unwanted background levels.
cheers
David
Until someone makes an IR transmitter to fit to their car just to turn on other peoples wipers as they drive around. 8-)
The 206 one is not bad, but there are times where a manual sensitivity control would be useful. Some patterns of rain seem to trigger the unit incorrectly such that you have to do a manual sweep occasionally. However, if a large drop of rain from a tree or something hits in the right location you get a single wiper shot to slurp it up. Usually impresses people. Simon.
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