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Recent content by nayakajit87

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    Delta PLC Communication issue

    I would like to know What is the Address to be set for MODRD/MODWR/MODRW function. If my salve id set is 1 FC1 start address 1 length is 32. I have checked i made it correct . But i wanted to what should be register to get value.
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    Delta PLC Communication issue

    Dear all I have DVP14SS211R series Delta PLC Which is having 24V DC supply voltage. I am using PLC as master and My end device as slave. My slave device set device_iD=1 I am using Modbus RTU protocol for Function code1 baud rate =9600 parity =none Stop bit=1 data length=8 I would like to know...
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    Algorithm Implementation

    Dear all I am looking for simple algorithm input.i cant post whole code. i pasted some part of it i am using PISO to get input from 74hc165D ic. here i am trying to read data from DIP switch. Fault_Array[0] uses to read 8 position DIP switches void PISO_INPUT(void) { unsigned char i...
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    MCP7940N RTC write operation using PIC18F25K40

    I dont know how to make use of MCC generated file. thats reason i have make use of own function to write and read i2c time. I have gone through some forum where they using above function . but i could not able to get response like DS1307 with arduino board. Below is .c file created when i use...
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    MCP7940N RTC write operation using PIC18F25K40

    Here is simple code written to communicate with I2c device. I could not able to get any Start bit.weather below code is correct. I have used MCC generated code library , #include "mcc_generated_files/mcc.h" #define PFS RB0 #define RESET1 RB1 #define SELECT RB2...
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    Timezone & DST Setting

    If GPS is available we could use RMC signal and syn with RTC time whenever time offset.where we get latitude and longitude of location. In arduino few people it say possible. https://github.com/JChristensen/Timezone https://forum.arduino.cc/index.php?topic=427021.0
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    Timezone & DST Setting

    Dear all i am looking for sample code for timezone adjustment of time and day light savihttps://ww1.microchip.com/downloads/en/devicedoc/20005010f.pdf above ic used for RTC date and time i am using PIC18F24k40 series for RTC time read and write, I am looking for simple c code where i could...
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    LCD Display Parameter

    Dear all. I need some suggestion for selecting display parameter for my application. Can someone guide me how to select display which suit my application. My end application : timer switch for street light this unit widely exposed to sunlight in Day time. time adjustment done in day time...
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    Piezo Buzzer Circuit

    http://www.cedicom.com/buzr.html here is link information on buzzer
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    Display Selection for timer application

    Dear all i am looking for LCD display for timer application. Can some one guide me how to select LCD display. what are driving method and which method is good any manufacturer where i could able to get timer display. it should have days option.
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    Piezo Buzzer Circuit

    Can you share one ckt how it can be repeated in peizo buzzer. I am planning to use 5v-24v range peizo buzzer.lm328 ckt can be used??
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    Piezo Buzzer Circuit

    Dear all i am looking for multitone (3 sound) 105db-110db buzzer driving ckt using peizo buzzers. I have used UM3561 ckt before , but i used magnetic speaker 8ohm/4ohm for end application. Can someone guideme some idea of driving peizo buzzer where i could vary PWM signal to achieve multiple...
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    Repeat Cycle using timer application

    Based on suggestion . I have modified code . With below code i have tested. In polling mode the Value Bottom display shows setvalue 2525 and stop at 2525 IT wont continue next cycle. The code is for only testing purppose. LED_MS_Flag is not reset since i am testing sec and Msec function...
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    Repeat Cycle using timer application

    Display related activity will be done ISR routine. Else you cant see the changes in dsplay. Currently in my code i am not turning on and off the relay function. I am concentrating on only displaying on time and off time process value. It doing its job but only for 1 cycle. it will load on time...
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    Repeat Cycle using timer application

    I am using 4Mhz crystal with pic16F886 using timer interrupt 1ms. In below Here i could able to display set value and process value.During ontime Setvalue displayed on bottom Dissect(value) & process value on top Dissect_2(value) For Off time Setvalue displayed on TOp Dissect_2(value) & process...
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