W waqar New Member May 18, 2003 #1 Is there any schematic avaiable on the net or can any one please guide me how to use 555 IC for the following purpose 1) Telephone Dial Tone Generation 2) Busy Tone 3) Ring Back Tone using one IC only
Is there any schematic avaiable on the net or can any one please guide me how to use 555 IC for the following purpose 1) Telephone Dial Tone Generation 2) Busy Tone 3) Ring Back Tone using one IC only
Chippie Member May 18, 2003 #2 waqar said: Is there any schematic avaiable on the net or can any one please guide me how to use 555 IC for the following purpose 1) Telephone Dial Tone Generation 2) Busy Tone 3) Ring Back Tone using one IC only Click to expand... Have you tried searching for a schematic?
waqar said: Is there any schematic avaiable on the net or can any one please guide me how to use 555 IC for the following purpose 1) Telephone Dial Tone Generation 2) Busy Tone 3) Ring Back Tone using one IC only Click to expand... Have you tried searching for a schematic?
W waqar New Member May 18, 2003 #3 its not there on search..if u have any links then please guide me..
T thebigbasicq New Member May 22, 2003 #4 WAQAR.... That sure is a strange name. Not a 'handle' I have heard of.