Ds18b20

[ahmed_salah]

hi,
i update the code u send me before can u check it please soi can begin testing

[Acetronics2]

Hi, Ahmed

This subject in the SEARCH function of the Forum Gives 72 Hits ... including working programs for the 18B20

so, just use it !!!

Alain

[ahmed_salah]

hi,
no replies nothing work tell now i got blank screen

[fratello]

Put here the schematic, please.

[Acetronics2]

Hi, Ahmed

Just comparing the 18B20 Datasheet, page 5 to the 1820 Data., Page 4 will help you to understand how temperatures are coded in both cases ...

and what you have to modify to get a nice result ...

Alain

[ahmed_salah]

hi,
thanks for replay please find attached schematic
i am trying also to get rom id for ds18b20 but i got only 8 hex digit attached is the code

[Acetronics2]

At first, try

...

for i = 0 to 7
LcdOut HEX2 ID[i] 
next i
...

should print missing Zeroes ...

Alain

[ahmed_salah]

hi,
acetronics , still got 8 characters only