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Without no more Ideas i started to replace all of the component on my testing circuit and replacing the crystal all started to work properly. I don't have great experience in building circuit but it's ...

MAy I also have a copy of the adjustable current sink schematic that Ttelmah gave to iso9001 ? Thank you

Thank you for your interest. The current to turn the Led On isn't flowing in the pic but on a transistor so the Mistake cannot be in the excessive current on the pic. The sensor works good with the Re ...

I've Tryed to remove the wrong lines of code but it is still not Working. The cause cannot be the circuit considering that with the square wave generated by the ne555 it works fine. At this point I'm ...

I'm trying to obtain a 36khz square wave with a duty cycle of 50% on a Pic 16f628A clocked by an external crystal at 10Mhz.

This is the code that I'm Using

#include <16F628A.h>
#fuses ...

Is it possible to use both kind of interruption: int_rb to handle the output of a sensor and int_ssp to handle hardware i2c on the pic 16f88 ?

Any ideas ? I don't want to take a bigger pic (with p ...

Thank you PCM programmer, I removed the LVP flag.

I've found a solution, I've replaced the 4,7K with 10K pull-up resistors and used software i2c on the master

#include <16F88.h>
#fuses N ...

I made a mistake in my previous post , the file that I called EX_master.c is ex_extee.c.

I tried to use external clock, I'll get the output correctly on the screen via Serial port but always read F ...

Hi, I'm Trying to exchange data between two 16f88 connected on a i2c Bus.
To make a try I just used the two files Ex_slave.c and Ex_master.c. I've modified it only to configure them to use the 16f88. ...