making a transmitter and receiver using IR LED

S

shazad basha

New Member

• Jul 12, 2011

• #1

Hi!
i need a circuit which is capable of transmitting and receiving FSK signals using IR LED...
Pls Help Me,,..

 

alec_t

Well-Known Member

Most Helpful Member

• Jul 14, 2011

• #2

Try Googling. There must be dozens of published circuits for this.

Alec

 

ronv

Well-Known Member

Most Helpful Member

• Jul 14, 2011

• #3

Do you have an encoder decoder circuit already? If not what is the input to the encoder?