PHONE_PAGER

Published:2009/6/22 22:42:00 Author:May | From:SeekIC

This pager allows you to use your in-house phone wiring as a PA system. It uses two tone decoders to detect a particular touch-tone key. This key enables an audio amplifier.



Reprinted Url Of This Article:
http://www.seekic.com/circuit_diagram/Electrical_Equipment_Circuit/Telephone-Related_Circuit/PHONE_PAGER.html

Print this Page | Comments | Reading(3)