Latest threads in Electronics Down Undershow only best voted threads
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interesting
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6 years ago
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for retro freaks
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6 years ago
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Diyode
Saw the first issue today and bought it to see what it is like. At first glance anyway it is pretty basic, it actually makes Silicon chip look like a technical magazine.
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6 years ago
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how much co2 creating making Elon Musk's SA battery
What, you can build coal power plants without expending co2? The co2 expended shipping materials around to build either a coal plant or lithium battery would be on par for either. Pumped hydro creates...
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6 years ago
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Does anyone have EA magazines from Early-mid 1994?
I realise the odds aren't great but worth a try. As I've mentioned in other threads I've been 'refurbishing' a 'Playmaster Pro Series Three' kitset power amplifier. I have a photocpy of the...
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6 years ago
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Speaker Protection Question.
Hi. I've recently bought some second-hand speakers that are a lot more power-hungry than my previous speakers so am in the process of refurbishing and tuning a 'Playmster Pro Series Three Power...
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6 years ago
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I'm re-using transformers...
... from old audio gear. I just want to check something as I'm not planning on dying this week. If the voltages I'm getting from the secondaries aren't what I want is it ok to use the '120v' primary...
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6 years ago
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Mobile repeaters and modems
It's just possible that with a 4G mobile repeater, I may get a signal at home... I'd be interested to hear from anyone experienced with these in terms of what to look for and what to look out for....
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6 years ago
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No phones during blackout ?
** Hi, last Friday at about 4pm there was a major power outage in the inner west o f Sydney. It lasted for 2.5 hours. There was traffic chaos as all traffic l ights stopped and then it soon got dark...
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6 years ago
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Circular Saw failure
I pulled my failed circular saw apart to see whether it was repairable. Seems a rather dramatic failure of the commutator. So, no :( Sylvia.
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6 years ago
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Any ideas
I keep getting cheap stuff from aliexpress because I think I might want it then lose alL or any paperwork (probably in chinese anyway)This thing has no markings anywhere even on PCB (as well the...
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6 years ago
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12V UV Germicidal Light Bulb
A while ago I bought a pair of these 12V 3W UV-C light bulbs to use to build an EPROM eraser: - There are more details in this listing: - SHORT STORY: ^^^^^^^^^^^^ One blew on 15VDC (did nothing on a...
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6 years ago
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Lead vs Lithium batteries - Large scale energy storage
In recent times, lithium based grid scale batteries have been getting a lot of attention. It seems like lead battery technology doesn?t get its fair share of attention. Especially in Australia where...
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6 years ago
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RS downgraded web site
I've had several examples of this site adding the wrong item to the basket. Don't assume you're ordering what you think you are. Sylvia.
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6 years ago
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Re: Obituary - ----- Rod Speed
He already have. Ned Kelly's been dead 150 years. :) Rodless Rod is still alive. :))
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6 years ago
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