| Problem with decade counter simulation in multisim9 |
Hi, I am having a little trouble with a test im running on a decade counter. The circuit is supposed to move a single high bit through the counter then reset and start again upon ...
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| Anti rust device schematic |
Hi, I'm looking for a schematic to construct a anti rust device, to be fitted to a 12v car. Can anyone help?
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| Here's a development one can use - for AC/DC power control |
http://www.alliedelec.com/Images/Products/Datasheets/BM/AROMAT/Aromat_Industrial-Control_7880258.pdf This is one of the new crop of mosfet drivers. A chip that takes enough power (or...
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| 4 PC printer ports |
I'm wondering if there are any DIY projects for putting 4 parallel ports on an ISA or PCI card. I have a use for 4 ports in one machine, and I can't find too many commercial produc...
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| half duplex |
I was just wondering if half duplex Ethernet uses all four pins on the RJ45 plug (like full duplex). Thanks.
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| mostly off topic - but an interesting link |
http://www.freeenergynews.com/Directory/Engines/index.html The URL says it all - but there's a gem or two in amongst the crackpot ideas. Interesting reading . . .
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| Noise reduction: Inductor vs. Capacitor |
Hi, It is common to use a bypass capacitor connected in parallel from VCC to GND to reduce noise on the power line. I have seen also inductors connected in series to do the same t...
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| desperate ?? |
hope this will help all of us ... http://cure4imsomnia.blogspot.com/ http://collegeandloans.blogspot.com/ http://chocolatebite.blogspot.com/ have fun ! ...
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| "Real WMV", 148.50 mhz sample-rate, 1920 X 1080 progressive scan image, "object data" bit-rate of 1bps -- Why Can't It Exist?? |
Bob Myers wrote in http://groups.google.com/group/sci.electronics.basics/msg/0d0bbebafddcd749?hl=en& : > "Radium" <glucegen1@excite.com> wrote in message > news:1162073...
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| 3rd World Cabin Power Supply Solution |
The power only comes on for a few hours a day and it is often as low as 80 volts. I was thinking an 18 volt DC power supply could charge up some deep cycle batteries when the power is on an...
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| Capacitors and resonant frequency |
I have a problem that asks about the movement of the second plate of a capacitor in order to change the resonant frequency by 10 ppm in an LC circuit. I am getting stuck in terminology. <...
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| input range on op-amp |
I have a circuit that needs a comparator where the negative input will go 12 volts below ground intermittently. Standard comparators like the 2903 can't take that, so I was wondering if I c...
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| "Real WMV", 148.50 mhz sample-rate, 1920 X 1080 progressive scan image, "object data" bit-rate of 1-bit per second |
Hi: >From the responses to my posts, I conclude that a video with 1-bit file size cannot exist. What about a WMV file that is 148.50 mhz sample-rate, 1920 x 1080 progressive sc...
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| downconversion |
If I wanted to downconvert a 2.4 GHz wireless signal into something I could run through an A/D converter, what is the easiest way to do the downconversion?
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| Power factor/ frequency / true rms measurement of a 230V AC 50hz signal |
hey People ! For my engg final year project i am in a dire need of figuring out ways to measure power factor and the rest of these paramaeters using a microcontrol...
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| li-ion battery |
I have a Motorala c343 cellphone with a ssn3825a 3.6v battery which I dropped into a puddle of water and shorted. Is there any way to try to recover this battery? Some one said that he rea...
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| Lowering PS from 15 VDV to 12VDC |
I finally found out the power supply requirements of my ITS 2000S. It is +12VDC, -12VDC, +5VDC. I found a PS that is close but puts out 15VAC and -15VDC and 5 VDC. If I want to lower ...
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| How to ask for help on s.e.b |
There have been a number of posts recently where the OP wanted answers to incredibly simple questions. To help those, I reproduce here the s.e.b. template for 'no-thinkers', taken from a.e...
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| Digital automotive tach circuit? |
Anyone have a simple digital tachometer schematic handy? I want to put a 4 digit LED tach into my van. Resolution of 50rpm is fine. Fed by the TACH output of a six cylinder GMC on dis...
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| Voltage Regulator to IC |
If I am using a voltage regulator to bring a voltage down from 9 to 5 volts should I still put a capacitor before a TTL IC to smooth out the current?
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| Connection Car Radio to a computer Power Supply ? |
Hey ! I'm trying to do that thing and I don't even know if it is possible ... Powering a car radio with a computer power supply ? - The Radio is powered by those : http...
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| controlling dc motor direction (help a newbie, please) |
i have a 1.5-3vdc motor that i would like to turn on and off in opposite directions using two microswitches. i'm new to electronics, but from what i've learned so far, i think i want to use...
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| microprocessor circuits |
Hi ,I would like to do simple but interesting circuits using microprocessors Is it possible without a microprocessor trainer kit ?
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| microprocessor circuits |
Hi ,I would like to do simple but interesting circuits using microprocessors Is it possible without a microprocessor trainer kit ?
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| Determing Power Supply pinouts, part 2 |
I posted a message earlier about a piece of test equipment that didn't come with the power supply and I got some very good feedback. But as you know you can't take a chance with voltages or...
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| 2-hour length, 148.50 Mhz, 1920 x 1080 progressive scan image, 1-bit object data, 193 bits of file size |
Michael Walraven wrote in http://groups.google.com/group/sci.electronics.basics/msg/67ea1a75d326e0f8?hl=en& : > An empty wma file will have some overhead even if there is no 'data' w...
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| analog to digital coverter |
I am looking for an analog to digital coverter PCI card that can do 10 million samples a second. Anyone know where to look and how much I should expect to pay?
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| analog to digital coverter PCI card |
I am looking for an analog to digital coverter PCI card that can do 10 million samples a second. Anyone know where to look and how much I should expect to pay?
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| Help Designing Light Airplane to Camcorder Adapter |
Hi, I'd like to use a camcorder in a light airplane, but I'd like the audio to come from the aircraft intercom system (which carries both radio traffic and crew conversations). ...
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| 4-byte limit |
Tom P. wrote in http://groups.google.com/group/sci.electronics.basics/msg/b134a331423ab42e?hl=en& : > You cannot > compress any amount of data smaller than 4 bytes. Lo...
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