Latest threads in General Electronicsshow only best voted threads
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iphone
The iphone, the cell phone of the future. good article on subject can be found at
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16 years ago
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Stolen or lost cell phones.
May not belong in this area and of course has nothing to do with email. However, it seems everyone who is anyone has what I call a cell phone growth in their ear. Yes I have one but it is off until I...
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16 years ago
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HELP !! URGENT !!
can anyone please help me to get the circuit diagram of an 8051 universal programmer...i made a huge project and am completely out of funds to buy a new one....
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16 years ago
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Microwave oven leakage tester.
Anyone know what sort of shops in the UK might sell these? I thought Argos did, but I've leafed through their (sizeable) catalogue and no sign of any.
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16 years ago
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accidental fireball production using SMPS
Hi all. I just had something unusual happen. Someone brought in a power supply for a FS laptop, which had stopped working. Input fuse open, but I couldn't find anything wrong with DC tests and the...
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16 years ago
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About an audio spectrum analyser schematic
Hello I did found this audio bandwidth spectrum analyser page; Any suggestion to made it automaticaly seep 20 hz to 20 khz at 1/10 octave ? Thank Jean
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16 years ago
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Electric motors newbie questions
Hello, I'm a newbie and I'd like to learn a little about electric motors. I've had a run-through of electric motors and I understand the basics (how they work, that they are an inductive load, etc),...
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16 years ago
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Is a pump a resistive or inductive load?
I've got one of these pumps in a rainwater harvesting tank. Currently it plugs into a socket but I'd like to put it on a time clock so we can set it to water the garden while we are away. The pump...
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16 years ago
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Does isolated full bridge converter (DC-DC) not need to use snubber?
Hi everyone, my name is Wilson. I've been trying to design a 300W 12VDC to 380VDC converter lately as part of an inverter project. My original approach was to use half bridge topology alongside with...
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16 years ago
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variable amplitude ac to ac converter
Dear All, I am using a motorized variac to generate 50 Hz 40-180 VAC signal from a 220V source (The load draws 10 A max). The motorized variac takes a lot of space and its response time is slow. I...
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16 years ago
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PIC16F84, programming
Hello I was looking at the homepage, and as usual a big site impossible to find anything. I have a datasheet of it, but can not programme it. Where do I find mpasmwin.exe or similar? I could not find...
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16 years ago
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Telephone ringer circuit ?
Hi! What is the best way to make 24 telephones ring ? I have gathered quite a bit of information at this. See that page to know more. My favorite way to it is with an audio signal, I think. If I do it...
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16 years ago
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Re: experience with USB osiclloscopes?
Hi Is there any digital to analog converter that would have a minimum sampling rate of 500 khz and that can be directly connect to a Pc computer USB input ? Thank Gaetan
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16 years ago
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light curtains
Need surplus on Sick Optik FGSS and FGSE 300 light curtains Mark Graf
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16 years ago
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Need to find a Analog to Digital Converter IC to do
Hello I would need to find a Analog to Digital Converter IC to do data acquisitions with a Pc computer using the parallel port. Anyone know some analog to digital converter IC with sampling rate over...
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16 years ago
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