Saturday, October 4, 2014

Phone Alarm Dialer using MT8880 and PIC 16F84A

Phone Alarm Dialer using MT8880 and PIC 16F84A

Just angle this Anxiety Buzz Dialer up to article you would like to monitor, for example, a aerial baptize alarm, low temperature alarm, aback window, barn door, etc. Back the arrangement is activated it will anxiety a cardinal of programmed numbers to let you apperceive the anxiety has been activated. This would be abundant to get alerts of anxiety altitude from your home back you are at work.

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.