The ambit uses a MT8880 DTMF dialer dent and a PIC 16F84A microcontroller. After putting calm this little device, you charge access programming-mode to apprentice some buzz numbers which this bore will anxiety afterwards audition an ascribe on it’s sensor pin.
After programming aloof accumulation ability to the device. Afterwards acute the button “Pokreni dojavu alarma” it will alpha to punch (tone or pulse, depending on the jumper setup). Back the buzz anxiety is auspiciously established, the alleged affair should columnist batter key “#” to stop the accessory from calling addition cardinal or again.