Oke thats cool,
this is what i need:
3pin screw term block 5mm or 3,5mm
DS2423
4N37opto isolator
2N3904 NPN transistor
NE-2 neon bulb
Ferrite bead
1N5817
0,01 MFD ceramic
15K 1/4 W
100K 1/4 W
1MEG 1/4 W
430 1/4 W
9v Battery Strap
im gonne take a look if they sell these components at www.conrad.com
And the antenne puts in the 3pins connector?
And what kind of material can i make the antenne?
Kevin