| Subject | Date Asked | Expert |
|
| "Intelligence" of the Microprocessor | 10/15/2009 | Apurv |
Q: I am just learning about the 8085 microprocessor now. There is a program language, which the ...
A: Microprocessor contains micro-codes that issue signals for reading and writing operation ... e.g. ...
|
| Electronic Circuits | 9/25/2009 | Apurv |
Q: i need some usefull informations about the internal design (constructions) of Nand gate & Nor gate ...
A: applications of Flip-Flops ... http://www.eelab.usyd.edu.au/digital_tutorial/part2/flip-flop05.html ...
|
| video content | 9/15/2009 | Apurv |
Q: I need to upload a piece of original video as part of a complicated circuit but can you inform me as ...
A: Whats the source of the video ? Is it a video file, like a mp4 format file ? Whats the display your ...
|
| Air conditionor | 9/13/2009 | Apurv |
Q: I believe and have also heard several places recommend that to achieve best energy and cost ...
A: I think your engineer friend is more correct. It is better to turn-off our air conditioner when you ...
|
| Serial Communication Between AVR | 9/9/2009 | Apurv |
Q: I want to transfer data between 2 AVR microcontrollers and I have just 3 pins to do this. I think I ...
A: u can use UART or USART. You need only three pins of serial communication. One for transmitting the ...
|
| electrical signals | 9/8/2009 | Apurv |
Q: Wasn't too sure of the category for this.My question is: Is it possible to send a radio signal or ...
A: How can you expect a device to function without power ? Any device/circuit will require power to ...
|
| Electrical Frequency. | 8/25/2009 | Apurv |
Q: I want a device that will impart an electrical frequency to a conductive object. It must be capable ...
A: http://www.tek.com/products/signal_sources/ ...
|
| Beginner electronics | 8/21/2009 | Apurv |
Q: i'm a secondary school pupil, just beginning my A-levels (physics, maths, english and art), and I ...
A: If you are interested towards robotics, you need to have knowledge of digital electronics. ...
|
| Medical electronics | 8/19/2009 | Apurv |
Q: I am a mechanical engineering graduate. I want to learn the design and manufacturing of medical ...
A: Rather than hiring any professional, you contact some company dealing in this field to design the ...
|
| Electronics and cable thickness. | 4/1/2009 | Polygon |
Q: How many amps or milliamps can one of the wire cores inside computer cat 5 networking cable carry ...
A: If you go to any shop which sells electrical/electronics goods or any shop of electrical cables, you ...
|
| Electronics and cable thickness. | 4/1/2009 | Polygon |
Q: How many amps or milliamps can one of the wire cores inside computer cat 5 networking cable carry ...
A: So, basically you are going to separate the 4 pairs of wires in a standard cat5 patch cable, and use ...
|
| re-chargeable batteries | 3/31/2009 | Polygon |
Q: Polygon, I don't know if this question is within your expertise, but I'm wondering if I should keep ...
A: There are two types of rechargeable batteries in general: 1)Ni-Cd / NiMH batteries : Old fashioned ...
|
| generating electricity | 3/30/2009 | Polygon |
Q: We have a special flashlight for science class that includes a magnet that is shaken through a wire ...
A: The principle of torch is as follows: When the magnet moves through a metal wire coil, it induces ...
|
| Experiment investigation | 3/29/2009 | Polygon |
Q: How to Design a laboratory experiment to investigate how the current which passes between two ...
A: From your list of apparatus, i could understand following ( pl correct me if i am wrong) : 1. You ...
|
| Solar powered science fair project | 3/29/2009 | Polygon |
Q: In a fifth grade science fair project, what is a good way to demonstrate solar power energy usage in ...
A: 1)One idea is that you can light up the doll house with solar powered LEDs ( Light Emitting Diodes) ...
|
| Experiment investigation | 3/29/2009 | Polygon |
Q: How to Design a laboratory experiment to investigate how the current which passes between two ...
A: Firstly, let me tell you that designing this experiment and the apparatus on your own, from scratch, ...
|
| asking | 3/8/2009 | Dan |
Q: if light dependent resistor exists, is there a dark dependent resistor
A: The only light resistance resistor is one that has a lower resistance if the light gets brighter. ...
|
| a help | 3/8/2009 | Dan |
Q: to develop the automatic switch circuit which can be controled by the darkness. it means that if the ...
A: This is pretty poor English, hard to figure out what you mean. But I assume you want to turn on a ...
|
| IR Sensing | 3/7/2009 | Dan |
Q: In my first Line Follower robot, I want it to distinguish white line from black line.I have used ...
A: Are you trying to follow both a white line and a black line, on a gray background? Or a white line ...
|
| circuits | 3/6/2009 | Dan |
Q: Can you please try and anwer me as i am confused . When a current or electron flow travells through ...
A: The voltage drop follows ohms law = V=I*R. 10 ohms, 230V, you get 23 amps through it. In the case ...
|
| career change | 3/5/2009 | Dan |
Q: I have worked in the HVAC field for the past four years but was recently layed off. I am ...
A: Bachelors in Business. Well, that's not much to go on. I'm going to guess you have no technical ...
|
| circuits | 3/4/2009 | Dan |
Q: Can you please try and anwer me as i am confused . When a current or electron flow travells through ...
A: You're missing some of the basics of electricity. There are two parts of an electric current, ...
|
| soldering | 3/3/2009 | Dan |
Q: I have this digital camera that had a piece break inside of it when i opened it up to see what the ...
A: Send me a picture, this could be anything. My guess is it's going to be too hard to do and probably ...
|
| career change | 3/3/2009 | Dan |
Q: I have worked in the HVAC field for the past four years but was recently layed off. I am ...
A: There are a lot of people in HVAC controls, too. You're probably just as likely to get laid off ...
|
| hum in amp | 3/3/2009 | Dan |
Q: I can't think of who else to ask about my Peavey amp. What, a musician? Hope you will help me. My ...
A: Most times musicians are far from engineers, but every once in a while you find an engineer who's a ...
|
| speaker signals | 3/1/2009 | Dan |
Q: How does such a wave/signal contain the plethora of waves that make up a complete set of ...
A: No, this doesn't work right. Connecting to both positives takes a difference of the two channels. ...
|
| e | 3/1/2009 | Dan |
Q: Something likes quark has 1/3e. Why it isn't against "e being the smallest charge"?
A: Who says e is the smallest charge? The charge on an electron is called a unit charge, it's a ...
|
| speaker signals | 3/1/2009 | Dan |
Q: How does such a wave/signal contain the plethora of waves that make up a complete set of ...
A: It's not really an "oscillation". It's a complex waveform, the sum of many oscillations. The ...
|
| dipole | 3/1/2009 | Dan |
Q: The field decreases more rapidly for a dipole (for two charges) than for a single point ...
A: A dipole has two OPPOSITE charges, they cancel when you are any distance away and the distance ...
|
| transformer wattage | 2/27/2009 | Dan |
Q: Dan, a step up transformer lets say 2:1 requires 1/2 the wattage, correct? For every watt it uses it ...
A: You can't say that a step up requires 1/2 the wattage. Half of what? Transformers are constant ...
|
| solar panel | 2/27/2009 | Dan |
Q: if we have a 1.5 watt solar panel that produce 0.5 v can we charge a 12 v batteries by using 36 ...
A: Each cell gives you 1.5 Watts, so it just adds up, 36 cells gives you 54 watts. Voltage adds up in ...
|
| towers | 2/26/2009 | Dan |
Q: block diagram of cell phone sites and how microwaves connected with every site
A: What about a block diagram. Are you asking for one? Every cellular telephone system is different. ...
|
| dc generators | 2/26/2009 | Dan |
Q: why is the initial value of the generated emf (if the generator was initialy off) always a positive ...
A: I don't understand this question. You must be talking about a rotary mechanical electrical ...
|
| Capacitive discharge ignition | 2/25/2009 | Dan |
Q: I have a 1980's Echo chainsaw with c.d.i. that will not produce a spark at the end of the plug wire. ...
A: You might try putting the thing in the oven at 200F, then try like 300F, see if it melts off or at ...
|
| 210VAC | 2/25/2009 | Dan |
Q: its me about the single phase 210VAC power supply that I am considering instead of a rotary ...
A: Well, that was the original discussion. I don't know for sure if it will survive 120 AC without ...
|
| Capacitive discharge ignition | 2/25/2009 | Dan |
Q: I have a 1980's Echo chainsaw with c.d.i. that will not produce a spark at the end of the plug wire. ...
A: Not too easy. What is the input to this CDI box? Is there a wire from a set of points, or does ...
|
| My converter box. | 2/24/2009 | Dan |
Q: Okay.. I have a Magnavox analog to digital converter that I bought several months ago. I hooked it ...
A: Sorry, but I'm not going to be able to help you. I don't know these products and don't own them. ...
|
| 210VAC | 2/24/2009 | Dan |
Q: its me about the single phase 210VAC power supply that I am considering instead of a rotary ...
A: I can't tell for sure from this. It's unlikely to be three phase with just 3 wires, no one does ...
|
| plasma spreading - thyristors | 2/24/2009 | Dan |
Q: what is plasma spreading in thyristors?
A: A thyristor is a semiconductor device, there is no plasma involved in it at all, so this doesn't ...
|
| 3-phase | 2/22/2009 | Dan |
Q: I need 3 phase WYE (with neutral) to operate a 10kW power supply. How can I convert single to ...
A: 210 VAC is kinda low for European. Not sure where that voltage came from. Most likely it will work ...
|
