cordless phone as remote controller circuit

Published:2011/7/9 9:23:00 Author:Lena | Keyword: cordless phone, remote controller | From:SeekIC

Assembling cordless phone seater and control circuit introduced in the text can obtain the remote control receiver function. Using cordless phone mobile phone as a remote controller transmitter, we can control electric light, electric fan and TV set etc household appliance work.This controller circuit is shown as the figure, TP and RG end connect phone exterior line, namely the circuit is merged with seater. To prevent bringing error when we dial phone, the circuit specially designs the access code using key number as control signal. U1(9270) is DTMF decode integrated circuit.



Reprinted Url Of This Article:
http://www.seekic.com/circuit_diagram/Control_Circuit/cordless_phone_as_remote_controller_circuit.html

Print this Page | Comments | Reading(3)