Help!!!
I need to make an adjustable timer circuit with 7-Segment Display Readout for a science project.
Please help..
I don't also want to spend a lot of money on this, so please tell the pa...
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Hey,
I was wondering if anyone could provide a bit of a learning roadmap to help me eventually build and understand circuits. Someone suggested The Art of Electronics, but it's a bit over my head. ...
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This topic is subjected to precommisioning test of an instrumentation system in hypothetical industrial plant. Replacing of electrical parameter with other physical parameters is possible, so in addit...
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I'm working on a project that will involve voice synthesis and playing simple tones using a mid-range 8-bit microcontroller (uC). I've done my own proprietary tone synthesis many years ago (with an 8...
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Hello,
I'm trying to decide how to design the power scheme that will supply the various voltages within my project. The two big requirements are that there is a single main supply, regulated 5V @ 1...
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Hi all , i'm in my final year in college and for my graduation project , I wanted to make an electric car (not make it actually , we(me and my friends) will convert a gasoline motor based car into an...
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how can i prove mathematically if a system is linear or not? i mean, i know the system must obey proportionally law and superpositon, but i dont know how apply into it.
well, if anyone could help me,...
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Im kind of stuck in one of my signals problems. A triangular function defined as: V(t)= (-A/T)t + A when 0< t< T; V(t)= (A/T)t + A when -T< t< 0; otherwise, the function is 0. I have to fi...
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I'm trying to connect a signal generator as in the following configuration, my signal generator has an output port that i can connect to the capacitor in the diagram on a prorotype breadboard but what...
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Hi.
I need to connect an antenna to a BPF (Band Pass Filter) and this one to a transceiver. The BPF purpose isn't to make matching, is to filter the input/output signals to the desired bandwidth.
...
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Hello,
I want to extend the wires of my camcorder's focus motor and image stabilization, its about two 2 inches long and I need make them both about 30inches. Would it still work properly especiall...
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I am looking for a book on electrical machines. I am particularly interested in one which would described the behaviour of the magnetic field inside the machine during various operating conditions lik...
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Hi all,
I want to know about the complex signals.They say that it is a complex signal and cannot be plotted but at the same time give analogy with cosine or sine functions.Please clear me about this....
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Hi guys,
I'm a final year Electrical Engineering student need help from you guys. my project is to build a system that will help the student to know their final semester result via sms. it designed...
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Hello people,
I'm reading one technical article about PLL and I have found this:
In this second part, we will focus on a detailed examination of two
critical specifications associated with PLLs: ph...
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My problem is defined like that. I am trying to find radial and tangential field distribution on a surface of the rotor of a large airgap synchronous machine. To do that I start from the general scala...
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So i'm trying to do some regulator PSRR tests and for this i'll need a regular DC source with a ripple on it (say 200mv pk-pk) so i can compare this to the ripple at the output and someone suggested t...
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hello everyone
my graduate project is 10-hp 3-phase induction motor
can any one teel me where to buy parts (stators,rotors,frames...etc) from USA
or any other
i need the company (or shop) sit...
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Although I am comfortable with three-phase circuits in general, visualizing the three-phase AC generator is giving me some problems. I understand that windings are placed 120 degrees apart, but thats ...
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Hello All,
I'm still working on the ultimate programmable precision pulse control circuit for my experiments. Most of the stuff I have made so far has used discrete components and analog parts to d...
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Hi guys
I was getting into a hobble with my project.my tutor said the aim of my project is to find out the distribution of Bloomed Charge, but i only have several dark images associated with the re...
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I have been handed a challenge that is beyond my reach.
I need a way to detect the change in skin conductance, or some other electrical signal on the surface of your hand when you lightly touch yo...
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Here's a tough one:
How could one create a sensor which was able to detect if your taillights were on?
A way to monitor your taillight activity such as:
Let's say you have this tiny sensor w...
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Hey!
I know that with option A I have an always-open-line and no problems in communication...
What I would like to know is, if option B will work when the ground is the building ground?
...
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In one of the industrial site, the no earthed system has been chosen in electrical designing stage. Therefore nobody anticipated a strong earth fault current in the system.
On the other hand, the pri...
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