Search found 10 matches

Hello everyone,
I want to drive a 7-seg. display, using TPIC6B595N and pic16f877 on my picdem 2+. I don't know how to generate clock pulses by using one of these RB5 For SRCLK, RB6 for RCK and RB7 ...

ok, now i kind of got it. I used one of the examples in the manual and didn't work for me and I also read the data sheet too, but still got confused. now it is some what clear.

another question PC ...

why is he sending twice before he reads it ?. Also, on the picdem 2+ the eeprom(24lc256) is also connected to the SDA , SCL. with the code above, the pic just reads it from tc74 and doesn't do anythin ...

I have a question about the address lines of the LCD. In the data sheet of hd44780U says line 2 = 0x40 and line 1 = 0X00, but when debugging the flex.c code. i notice that line 1 = 0xff and line 2 =0 ...

what is the difference between the two? crystal and oscillator

if a program is designed to use 20Mhz for picdem 2+
#fuses HS, NOWDT, NOLVP, PUT

this is for the tones driver program that i downloaded from this forum. I have the xtal of 4Mhz. This means that i ...

thanks for the code, but suddenly my program works now. Maybe I changed the line in my loop from i =16 after the if statement to BREAK;
void display(char arr[])
{
int i;

...

with the code that PCM PROGRAMMER showed me. it works ok.(sprintf). all i need to do now is to figure out why when using display_volts function with the array size of less than 16 characters , it mess ...

sorry, it is my display function that has problems, but i don't know why. I can display everything else ok, but when i used my display_volts function then my lcd won't work. With the code that you sh ...

Hello PCM PROGRAMMER and Ttelmah,

thank you for your responses, but i used both of your code and it did not work for me. Some how generating a value and assign it to an array does not work. It only ...