Best Rated threads in Electronics Down Undershow all threads

Subject Author Posted Replies
 
Which is the better state for rechargable Batteries!!
When I moved house about five years ago, I stupidly left my motor mower in the shed!! Stupid Me! So, over the last five years, I've been getting a 'Jim's Gardening' guy in to mow and clean up the...
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OT: Incorrect Energy Australia TOU bill calculation
Just a heads up. I've noticed that Energy Australia are failing to apply daylight saving time when calculating the bills for their TOU customers. If you're on such a tariff, then depending on your...
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Equipment Exchange Bulletin from the 1960's
Some of you will remember the amazing "Equipment Exchange Bulletin" from Tasmania in the 60/70's. In this months "Amateur Radio" Magazine there's an brief piece about the passing of Ralf Gunther VK7RG...
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LabTool-48 programmer software
Does anyone happen to have version 4.67 of the driver software for the genuine Advantech LabTool-48 programmer ( NOT the 48UX/48UXP, NOT the Dataman or any other Chinese clone)? They (AEC) took it off...
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Pioneer VSX-D710S help
Hi Everyone, After many years of fantastic service the ol girl has finally started playing up. After being on for 15-30 mins the digital display will show "power off" and then the amp will switch off...
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Phil's design in EA Dec1987
Hi Phil, (you know who you are) Just looked a an old Circuit Design Idea in EA - Fast Peak Limiter Was that you? "Joe G (Home)" ** Most of the time, that is indeed so ..... ** Must be me here too .....
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Kenwood N.B. circuit.- Please expliain!
Greetings group. Could someone please explain the function of the N.B. circuit button on a Kenwood stereo. I have a customer who believes it resets the stereo after it has been moved, because the...
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TEAC remote control
Got a circa 10 years old Teac TV that goes fine but a remote stopped working. Looks like fiddling with the resonator brings it to life for a moment - anyone knows what part/what frequency I should be...
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Mythbusters
Another good one last night. They did ship-sinking experiments, and several versions of an exploding trombone. SBS television in Australia is now referring to Mythbusters as their "cult phonomenon."...
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Casio atc-1000 manual reqd.
Does anyone have a manual for this rather funky watch - can work most of it out but as it can do so much need the manual. There was a copy floating around the net on geocities but searching produces...
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Bad batteries bounce
 
Phone socket wiring
Hello, I have an old extension phone socket to which there is only one wire attached at present. The phone that plugs into it only has two pins with metal on them (the outside ones) plus the large...
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Pioneer vsx 425 fault
Hi Al, i have a pioneer vsx425 home audio amp in for repair with the folowing problem. When mains switched on the standby light comes up then faintly other it to the 5v stby circuit but cannot...
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Godzilla lives underneath Japan.?
Godzilla lives underneath Japan.? This quake video is really worth looking at: Cheers Don... ============================== What that video shows is a common occurrence in earthquakes called...
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Truck crash sprays US highway with printer ink
News in 40 minutes ago: Truck crash sprays US highway with printer ink Video and story: Cheers Don... ============================== Must be a 'compatible' truck, since it broke and leaked ink...
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Solder tag material for NiCd cells
Am repackaging NiCd cells to fit into a battery pack with a different shape/cell configuration - requires cutting old spot-welded tags, then resoldering. Any idea where to obtain the 'tag' material...
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Ultra-LD 200W Power Amp Mk2 SC Aug 2008
I've been trying to understand the theory behind the design of the Ultra-LD 200W Power Amp Mk2 in the Aug 2008 issue of Silicon Chip. The amp uses On Semiconductor's NJL3281D/NJL1302D ThermalTrak...
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Jade Soundmaster LB-60 guitar amp schematic wanted.
Greeting group. Jade no longer have a schematic for the LB-60. Can someone please supply a copy? Thanks, Russell Griffiths.
 
Help required with low battery hysteresis
Hi, I'm working on a small step-up switch-mode power supply based on the MAX1797 that will use two AAs. The circuit was quite simple, until I got to the low battery hysteresis. I found an example...
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Little stepper motors
I am having a huge clean-out of twenty years worth of treasures. (All righ, junk). Somewhere there is someone who would recognise that cables, power-supplies, turntables, tape drives, disk drives,...
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