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Type: Posts; User: kripacharya

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1. ## Thread: ELECTRICAL AND ELECTRONICS Instrumentation

by kripacharya
Replies
4
Views
85

### Closed: Re: ELECTRICAL AND ELECTRONICS Instrumentation

Interesting. So you're saying that a PMMC only measures Avg current? Good to know. Learn new stuff everyday.
2. ## Thread: ELECTRICAL AND ELECTRONICS Instrumentation

by kripacharya
Replies
4
Views
85

### Closed: Re: ELECTRICAL AND ELECTRONICS Instrumentation

Another one !! It's 11.125 amps.

3. ## Thread: Transformer and alternator

by kripacharya
Replies
24
Views
531

### Re: Transformer and alternator

So you AGREE that it's an animation. Like Donald Duck Or Tom n jerry. Point 1 to me.

In an animation anything is possible. Are you saying it might be ice cream? Never seen black ice...
4. ## Thread: ELECTRICAL AND ELECTRONICS Instrumentation

by kripacharya
Replies
12
Views
148

### Closed: Re: ELECTRICAL AND ELECTRONICS Instrumentation

LoL.. !
I did that especially to confuse you. :wink:

- - - Updated - - -

Rajasekharn... Please post more puzzles like this. It will keep us awake at nights.
5. ## Thread: ELECTRICAL AND ELECTRONICS Instrumentation

by kripacharya
Replies
12
Views
148

### Closed: Re: ELECTRICAL AND ELECTRONICS Instrumentation

Actually you're right. I used 4 instead of +/- 4. So 4.828 is correct.

- - - Updated - - -
6. ## Thread: ELECTRICAL AND ELECTRONICS Instrumentation

by kripacharya
Replies
12
Views
148

### Closed: Re: ELECTRICAL AND ELECTRONICS Instrumentation

KlaussT !!!!! :lol:

First and foremost - the equation given is for current I, not voltage. So resistance is irrelevant.

Second, the sinewave component requires rms calculation, but not the...
7. ## Thread: Transformer and alternator

by kripacharya
Replies
24
Views
531

### Re: Transformer and alternator

Okay, let's discuss point by point then.
1) It's Not really a 'simulation', it's more a graphical representation

Do you agree?

- - - Updated - - -

Next..
2) Those black/ yellow squares...
8. ## Thread: ELECTRICAL AND ELECTRONICS Instrumentation

by kripacharya
Replies
12
Views
148

### Closed: Re: ELECTRICAL AND ELECTRONICS Instrumentation

Yay. I pass. What's the prize ?? :grin:
9. ## Thread: ELECTRICAL AND ELECTRONICS Instrumentation

by kripacharya
Replies
12
Views
148

### Closed: Re: ELECTRICAL AND ELECTRONICS Instrumentation

Should be about 3.414 amps. Unless this is a trick question?
10. ## Thread: Soldering on Battery Terminals

by kripacharya
Replies
7
Views
242

### Closed: Re: Soldering on Battery Terminals

I would think that epoxy/ graphite method would add several ohms to the current path. Obviously not desirable for a voltage power source, but may be the easier hence better route to take for some...
11. ## Thread: Transformer and alternator

by kripacharya
Replies
24
Views
531

### Re: Transformer and alternator

I already did. See my post #16
12. ## Thread: Transformer and alternator

by kripacharya
Replies
24
Views
531

### Re: Transformer and alternator

Twelve magnets?
Zeropoitnflux?
What's a 'poitn'?
Where's the North/South poles? Or is it all monopoles?

Not really a 'simulation', it's more a graphical...
13. ## Thread: Unexpected Chip identifier atmel

by kripacharya
Replies
1
Views
89

### Closed: Re: Unexpected Chip identifier atmel

There are two obvious reasons why this might happen--
1) a mismatch between the cpu cofigured in your ICE setup and actual cpu on the target board.
2) some fault in your connection between ice...
14. ## Thread: Simple remote led stay on

by kripacharya
Replies
9
Views
254

### Closed: Re: Simple remote led stay on

I repeat once again. One, or some of your buttons are bad.
2nd possibility is that ba5104 is bad, but that is unlikely.
15. ## Thread: how to set and reset pin in microcontroller

by kripacharya
Replies
9
Views
2,423

### Closed: Re: how to set and reset pin in microcontroller

Ok. Let's assume your timer generates interrupt every 100mS.
Now declare a variable as Int or Word (I.e. 16 bits) named Counter.
Declare another variable as 2-hour-flag.

16. ## Thread: solve the problem of noise

by kripacharya
Replies
16
Views
2,415

### Closed: Re: solve the problem of noise

You are assuming that relay switching etc is causing your interrupt to occur.

This assumption itself is probably wrong.

Please give details of your INT1 setup. Is it edge triggered? Positive...
17. ## Thread: interrupt or rtos in microcontroller

by kripacharya
Replies
3
Views
436

### Closed: Re: interrupt or rtos in microcontroller

Rtos is useful when you have many complex realtime events occuring and the 'simultaneous' nature of processing is important.

In your case you have just a very few realtime events and actions. You...
18. ## Thread: High Frequency using 8051

by kripacharya
Replies
16
Views
598

### Closed: Re: High Frequency using 8051

'Perfect' square output you will only get with resistive load. With inductor it will be different.
19. ## Thread: Why some many packages for Microcontrollers

by kripacharya
Replies
5
Views
337

### Closed: Re: Why so many packages for Microcontrollers

Which 'same' controller in different packages are you referring to? Give one example so we can discuss the reasons properly.
20. ## Thread: Proteus: internal Exception: access Violation in module 'UNKNOWN'

by kripacharya
Replies
2
Views
169

### [AVR]Closed: Re: New To Proteus 8 Professional with ATMEGA 328P

You seem to have a single LED connected to 7 different I/o pins simultaneously. This is a strange setup.

21. ## Thread: Simple remote led stay on

by kripacharya
Replies
9
Views
254

### Closed: Re: Simple remote led stay on

So what did you see ?

by kripacharya
Replies
12
Views
552

A comparator would provide only a single set-point which could be monitored. I assume OP wants to linearly measure/ monitor entire range between 6v to 8.4v, where scheme outlined by @betwixt in post...
23. ## Thread: Simple remote led stay on

by kripacharya
Replies
9
Views
254

### Closed: Re: Simple remote led stay on

You look at the IR led through your camera viewfinder/ screen. If it is On or pulsing then you will see it as a purplish glow. Try it out on some other working remote !

good

But my...
24. ## Thread: Simple remote led stay on

by kripacharya
Replies
9
Views
254

### Closed: Re: Simple remote led stay on

As a guess, it is most likely that one of your buttons is malfunctioning.
Check to see if the remote is also transmitting IR. You can do this by using a digital camera. If it IS on, then faulty...
25. ## Thread: Tuning of varicap diode in a magnetic loop antenna based on modulating signal

by kripacharya
Replies
5
Views
234

### Closed: Re: Tuning of varicap diode in a magnetic loop antenna based on modulating signal

I believe the real challenge here would be to ensure that your varicap/ magnetic loop IS tuned to the incoming frequency. There would be no 'feedback path' to correct for any errors.

You could...
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