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Hi,
I was testing port b interrupt.
Am using.
PIC16F886 @4MHz Internal Osc.
CCS C Version 4.105

I have connected LED on A0 and giving low signal on RB7-RB4 but no LED glow.
The pins RB7-RB4 i ...

Till date I have implemented the things. Reading keypad, storing into array and then comparing the two array. Now I want to store this array data, that is password in EEPROM of PIC16F886, since this c ...

Thanks very much PCM Programmer.
It works fine.
Again thanks.

Hi,
Following things I used in circuit.

PIC16F886
4X3 Matrix Keypad.
16X2 LCD Module.
CCS C Version 4.105

I have connected matrix keypad to port B and LCD on port C. And used sample code of ...

Thanks temtronic for nice explanation of the two types of number representation. And that link also very helpful and good.

Thanks Ttelmah for reply and helping for zero. I did not understand what you mean by not a number 0 but a text character zero '0', what is the difference.
Can you please tell me so how it should be h ...

The file LCD16X2.C is same LCD.C, I changed the name according my project work. And this KBD4X3.C is the one which I got from this forum.

CCS C Ver. 4.105
PIC16F886
4X3 Matrix Keypad
LCD 16X2

I have written a code for code lock project. In this I am taking key value using k=kbd_getc() and giving the key value to function input_dig ...

No no, I am not mixing two or more LCD driver. At a time only one I included in main file. The standard LCD.C driver works perfectly but the driver for 4x20 which I got from this forum is giving error ...

See this code.

unsigned char *k;
count=0;

do
{

k = kbd_getc();
save_digit(&k);

}
while(count<=3);

After k=kbd_getc(), k will contain the ...

Hi,

I mean, I used 16x2 LCD module in same ckt and it work with LCD.C driver, but when I connect 20x4 LCD module and included LCD420.C driver which I got from this CCS forum, when I compiled I got ...

Thanks for reply.

My 20x4 LCD is on portc thats the reason I define port C pins.
Just sake of experiment I included that Flex_LCD420.C driver in mine code and compiled but still I got those errors ...

Hi,
Sorry for not giving the detailed info.

Here is the info.
PIC16F886 running on internal OSC at 4MHz.
4x3 keypad at portB (B7-B1)
16x2 LCD on portc

All work properly when I use CCS's LCD. ...

I got this driver for 20x4 lcd module. But it gives lot of error.
Please help me.

// Flex_LCD420.c

// These pins are for my Microchip PicDem2-Plus board,
// which I used to test this dri ...

Thanks for helping. Actually PIC's port B was damaged. I changed the PIC and now keypad is working fine with a same code.

I am making code lock project. I want to know how to take number from keypa ...