Does anyone know where i can find something that i could use instead of this and would have the same effect???

this page http://www.uoguelph.ca/~antoon/circ/tx15trak.htm
for what i need it for

 

you could try a CMOS 555 which works down to 1.5V, although as the battery dies and the voltage drops it may have trouble. Also the max current from a 555 is 50mA and I'm sure the 3909 could source a great deal more.

 

http://www.oomipood.ee/index.php?t=k_o&otsi=CMOS+555
from this page like i should use 1 of these

 

http://www.uoguelph.ca/~antoon/circ/uspy3.htm

For U1 which of the following should i use

 

stop posting so many threads

 

You've asked numerous questions regarding this transmitter circuit, so to help us help you, may I suggest that you make one thread to ask many questions on one circuit.

__________________
I also post at the following sites:
http://www.stop-microsoft.org http://www.heated-debates.com
Screen name: Aloone_Jonez
And http://www.silicontronics.com, same screen name as here.

 

Again, please ask in the same thread.

__________________
I also post at the following sites:
http://www.stop-microsoft.org http://www.heated-debates.com
Screen name: Aloone_Jonez
And http://www.silicontronics.com, same screen name as here.

 

Just so everyone knows, I haven't tripple posted, Nigel has joined all the threads together.

Thank you Nigel for merging the threads.

__________________
I also post at the following sites:
http://www.stop-microsoft.org http://www.heated-debates.com
Screen name: Aloone_Jonez
And http://www.silicontronics.com, same screen name as here.

 

okay sry for postin so many threads

 

Why do you ask about the 2N3904 transistor in this circuit? It is a very common transistor over here.

Look in Google for the obsolete LM3909 IC and you will find some links where people show how to make one with a few transistors.
Or make your own multivibrator oscillator to turn the transmitter on and off and use a 3V battery.

__________________
Uncle $crooge

 

Which one of those replacement circuits should i use for the 1.5 tracking device from page http://www.oomipood.ee/index.php?t=k_o&otsi=PIC10F&

 

That's because it's obsolete.

Here's how you can build one from a few transistors.
http://www.redcircuits.com/Page87.htm

__________________
I also post at the following sites:
http://www.stop-microsoft.org http://www.heated-debates.com
Screen name: Aloone_Jonez
And http://www.silicontronics.com, same screen name as here.

 

But i want to save the trouble of making 1 and buy 1 instead .
The LM3909 is obselete so i think i will put another instead of LM3909
ill put a PIC12F in for IC1.
But i want to buy it from Internet so theres a little mess i cant choose from this page.
HElp me which 1 should i use?????
FROM THIS PAGE!!!!!!!!!!!!!!
http://www.oomipood.ee/index.php?t=k_o&otsi=PIC12F&

 

The cheap 12F508 can flash an LED with the best of them.
You're going to need a programmer too.
A 12F629 or 12F675 are better all around 8pin PICs (14bit core and other perks)

__________________
Bill
Smart Kits build Smart People
http://www.blueroomelectronics.com

 

which 12F508 there are 3 of them.
A programmer ??