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| Search found 35 matches |
| Author | Message |
|---|---|
 Topic: Inverter O/P voltage controlling problem |
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| attabros Replies: 3 Views: 4206 |
 Forum: General CCS C Discussion Posted: Thu Jun 17, 2010 12:15 am Subject: Inverter O/P voltage controlling problem |
| The piece of code you provided working fine now the voltages are in range
as well as jumping factor reduced but not eliminated. The O/P voltages are in Range 220-230 VAC but at lower Load conditi ... |
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| Topic: Inverter O/P voltage controlling problem |
|
| attabros Replies: 3 Views: 4206 |
Forum: General CCS C Discussion Posted: Wed Jun 16, 2010 4:04 am Subject: Inverter O/P voltage controlling problem |
| I have designed an inverter 110-130 DC to 220-230 AC by using step Square Wave.
There are 32 different steps. In these 32 steps the voltage varies from 180-350 VAC. I have made the steps selection t ... |
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| Topic: DC look up Table |
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| attabros Replies: 6 Views: 5282 |
Forum: General CCS C Discussion Posted: Fri Sep 04, 2009 6:00 am Subject: DC look up Table |
| I have write some lines to the software but its not working
void main() { long int reading; float a,b; setup_adc_ports(ALL_ANALOG); setup_adc(ADC_CLOCK ... |
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| Topic: DC look up Table |
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| attabros Replies: 6 Views: 5282 |
Forum: General CCS C Discussion Posted: Wed Sep 02, 2009 5:58 am Subject: DC look up Table |
| I have write a few lines with respect to the DC volt
but not sure will it work or not can anyone guide me, please help me out its urgent for me. #include <16F877A.h> #device ICD=TRUE ... |
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| Topic: DC look up Table |
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| attabros Replies: 6 Views: 5282 |
Forum: General CCS C Discussion Posted: Wed Sep 02, 2009 12:36 am Subject: DC look up Table |
| Is there any simple way to read the data from Analog & output the data on port D
using the table i given above. Thanks |
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| Topic: DC look up Table |
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| attabros Replies: 6 Views: 5282 |
Forum: General CCS C Discussion Posted: Tue Sep 01, 2009 2:44 am Subject: DC look up Table |
| Thanks for a quick reply,
Well I have designed an inverter the input will varies from 132.5 VDC to 198 VDC in 32 steps & the output will remain stable at 220 VAC, the reference volt is 160V DC ... |
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| Topic: DC look up Table |
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| attabros Replies: 6 Views: 5282 |
Forum: General CCS C Discussion Posted: Mon Aug 31, 2009 5:09 am Subject: DC look up Table |
| I have input of 160 V DC ,I have made that scale to 3 volt to analog input to PIC 16F877A ,I want to create a look up table for 32 steps from 00000
to 11111 as the voltage decreases or increses whic ... |
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| Topic: inverter output current measurement |
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| attabros Replies: 5 Views: 7324 |
Forum: General CCS C Discussion Posted: Mon Aug 03, 2009 6:27 am Subject: inverter output current measurement |
| Hi Everyone,
I have designed an inverter I want to measure load current from. Output voltage is 220v AC. I want to read the current (I) measurement on analog bit of 16F877A. What will be the best ... |
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| Topic: Binary Data in & out. |
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| attabros Replies: 5 Views: 5792 |
Forum: General CCS C Discussion Posted: Sun Jul 05, 2009 10:35 pm Subject: Binary Data in & out. |
| Now I want to output the binary data (00000 to 11111) which I have mentioned before, on Port D one by one automatically with some delay, so that I can observe the output on oscilloscope.
How it cou ... |
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| Topic: Binary Data in & out. |
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| attabros Replies: 5 Views: 5792 |
Forum: General CCS C Discussion Posted: Wed Jun 24, 2009 5:12 am Subject: Binary Data in & out. |
| the binary data will be in following format
A12-A8 00000 00001 00010 00011 00100 00101 00110 00111 01000 01001 01010 01011 01100 01101 01110 01111 10000 10001 10010 10011 101 ... |
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| Topic: Binary Data in & out. |
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| attabros Replies: 5 Views: 5792 |
Forum: General CCS C Discussion Posted: Wed Jun 24, 2009 4:43 am Subject: Binary Data in & out. |
| Hi Everyone,
I have designed a control circuit for an inverter using Parallel EEPROM At28C64B it has address bits from A0-A12, now form A0 to A7 is selected by binary counter which is Y decoder, t ... |
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| Topic: Need help in IR receiver |
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| attabros Replies: 6 Views: 7475 |
Forum: General CCS C Discussion Posted: Sat Nov 29, 2008 2:17 am Subject: Need help in IR receiver |
| While Transmitting & Receiving data using RS-232 at both sides from one microcontroller to another using IR as a communication medium between controllers what baud rate should I select for better ... | |
| Topic: Need help in IR receiver |
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| attabros Replies: 6 Views: 7475 |
Forum: General CCS C Discussion Posted: Mon Nov 24, 2008 7:02 am Subject: Need help in IR receiver |
| Thanks for your reply.
It works fine what if i use an interrupt for the same senario, what i have studied iterrupt function is used before main function, but i have no idea how i will use it as w ... |
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| Topic: Need help in IR receiver |
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| attabros Replies: 6 Views: 7475 |
Forum: General CCS C Discussion Posted: Fri Nov 21, 2008 6:30 am Subject: Need help in IR receiver |
| I have studied some projects is it necessary to use interrupt
on the reciever side. So how i will make a reciever code for the above transmitter. |
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| Topic: Need help in IR receiver |
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| attabros Replies: 6 Views: 7475 |
Forum: General CCS C Discussion Posted: Thu Nov 20, 2008 6:36 am Subject: Need help in IR receiver |
| Hi Everyone,
I have made a sample program for IR transmitter #include <16F877A.h> #device adc=8 #FUSES NOWDT //No Watch Dog Timer #FUSES HS ... |
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