What i have understand is the NE555 chip a kind of pulse-generator. How do I use it?? Anyone that have a schematics over a simple circuit with the NE555???

 

Do a google search for '555 timer tutorial'!.

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PIC programmer software, and PIC Tutorials at:
http://www.winpicprog.co.uk

 

True, using Google will bring up a LOAD of information about 555 timers. For starters, heres a good link on the subject. There a lots of sample circuits toward the bottom of the web page, where you can mess around with the 555. Good stuff!

http://www.uoguelph.ca/~antoon/gadgets/555/555.html

 

The 555 is not the only way to make timers, astables, monostables etc.

Len

 

Check also this sites:

http://www.electronics-tutorials.com/devices/555.htm

http://www.williamson-labs.com/555-tutorial.htm