Author |
Message |
Topic: RE: GPRS transmitter and receiver |
varadharaj
Replies: 3
Views: 9000
|
Forum: General CCS C Discussion Posted: Wed May 20, 2015 11:35 pm Subject: RE: GPRS transmitter and receiver |
Hi Cliestra,
Thanks for your reply. Please correct me if i understood wrongly.
1) If i get 2 static or dynamic IPs, i can easily transmit and receive the data without using client - webserver ... |
Topic: RE: GPRS transmitter and receiver |
varadharaj
Replies: 3
Views: 9000
|
Forum: General CCS C Discussion Posted: Wed May 20, 2015 5:05 am Subject: RE: GPRS transmitter and receiver |
HI,
I am trying to create a wireless transceiver system with sim900 and pic16f877a. I tried with sms/call based transceiver system. The system has two modules. One is transmitter/transmitter whi ... |
Topic: Reg: PWM splitting |
varadharaj
Replies: 11
Views: 16501
|
Forum: General CCS C Discussion Posted: Sun Oct 13, 2013 8:06 pm Subject: Reg: PWM splitting |
Hi,
My application is for electric vehicle. The supply voltage of motor is 60 and the normal working current is 25A..The initial current is about 100A. Using Pwm, i need to control the speed o ... |
Topic: Reg: PWM splitting |
varadharaj
Replies: 11
Views: 16501
|
Forum: General CCS C Discussion Posted: Thu Oct 10, 2013 11:17 pm Subject: Reg: PWM splitting |
Hi,
thanks for your replies.
@temtronic, yes, exactly, i need the motor to be controlled in only one direction. So, can i use the gate resistor in each FET's gate ? Can i able to connect the ... |
Topic: Reg: PWM splitting |
varadharaj
Replies: 11
Views: 16501
|
Forum: General CCS C Discussion Posted: Thu Oct 10, 2013 12:20 am Subject: Reg: PWM splitting |
Hi,
I am using pic16f877a for speed control of dc motor which is taking 60v and 1500 watt max. So i planned to split the load to different mosfets(max 8).
Can i use one pwm from microco ... |
Topic: Reg: Pic communication with PLC |
varadharaj
Replies: 6
Views: 12871
|
Forum: General CCS C Discussion Posted: Thu May 23, 2013 7:27 am Subject: Thanks |
Thank you very much Ttelmah,
The code which you have posted is really helpful for me to understand about the delays at start and end.
I changed your code little bit for my applicati ... |
Topic: Reg: Pic communication with PLC |
varadharaj
Replies: 6
Views: 12871
|
Forum: General CCS C Discussion Posted: Thu May 23, 2013 3:21 am Subject: communication |
Sorry @telmah,
the origal line is,
printf(lcd_putc,"%x",getc());
I am using modbus RTU
Any delay should be given for sending and receiving. My baudrate is 19200..
thank yo ... |
Topic: Reg: Pic communication with PLC |
varadharaj
Replies: 6
Views: 12871
|
Forum: General CCS C Discussion Posted: Thu May 23, 2013 1:05 am Subject: compiler version number |
4.074 is my version.
I used errors in the #use Rs232 line, but no change.
Thanks for your quick reply. |
Topic: Reg: Pic communication with PLC |
varadharaj
Replies: 6
Views: 12871
|
Forum: General CCS C Discussion Posted: Thu May 23, 2013 12:07 am Subject: Reg: Pic communication with PLC |
Hi,
I am using pic 16f877a for communicating with PLC. The PLC is using Modbus RTU (RS485) protocol. I have connected it with PC and using Rs232 hexcom tool. I have checked the communication. It ... |
Topic: Reg: LCD problem |
varadharaj
Replies: 5
Views: 9090
|
Forum: General CCS C Discussion Posted: Fri Feb 01, 2013 9:57 am Subject: LCD problem solved |
Hi,
I changed the ribbon wire for LCD with microcontroller and added a snubber circuit of 150ohm and 0.01uf capacitor. The whole module is working fine.
But when we switch on the motor from ... |
Topic: Reg: glcd jhd12864e interfacing with pic16f877a |
varadharaj
Replies: 5
Views: 9144
|
Forum: General CCS C Discussion Posted: Tue Nov 20, 2012 10:58 pm Subject: Reg: glcd jhd12864e interfacing with pic16f877a |
@ ezflyr,
Thanks for your suggestions ... It is working now...
@ Ttelmah,
Thanks to you for giving your points on the floating number specification.
I have seen lot of useful suggesti ... |
Topic: Reg: glcd jhd12864e interfacing with pic16f877a |
varadharaj
Replies: 5
Views: 9144
|
Forum: General CCS C Discussion Posted: Mon Nov 19, 2012 10:30 pm Subject: Reg: glcd jhd12864e interfacing with pic16f877a |
Hi,
thanks for your quick response. Do i need to erase the data on the screen every time? Otherwise it is showing unwanted characters..
i tried glcd_init(ON); function ... but every time it i ... |
Topic: Reg: glcd jhd12864e interfacing with pic16f877a |
varadharaj
Replies: 5
Views: 9144
|
Forum: General CCS C Discussion Posted: Mon Nov 19, 2012 6:00 am Subject: Reg: glcd jhd12864e interfacing with pic16f877a |
Hi,
I am trying to interface jhd12864e with pic16f877a. I need to display the temperture value in the screen.
I am using GLCD.C driver for my project. For string letters the output is prop ... |
Topic: External eeprom reading and writing |
varadharaj
Replies: 5
Views: 16246
|
Forum: General CCS C Discussion Posted: Thu Jul 05, 2012 12:34 am Subject: Problem solved |
Hi,
Thanks for the replies...
In real time it is working perfectly.. But in proteus, the results are bad. Why it is so? |
Topic: External eeprom reading and writing |
varadharaj
Replies: 5
Views: 16246
|
Forum: General CCS C Discussion Posted: Mon Jul 02, 2012 11:23 pm Subject: External eeprom reading and writing |
Hi,
I am using pic16f877a. I have to store a large amount of hours and minutes in memory. So I am planning to use external eeprom(24c64). I have checked the example program of external eeprom us ... |
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