ajay kainth
Newbie level 1
helo.i m working on wireless communication usin ir in which i used 2 microcontroller of nxp(89v51rd2),1 as atransmitter nd other 4 receiver
IN transmitter i used two 2n2222 transistor which are connected to txd pin nd finally connected to ir led.in receiver i used phototransistor .but the project is not working.wat to do..
IN transmitter i used two 2n2222 transistor which are connected to txd pin nd finally connected to ir led.in receiver i used phototransistor .but the project is not working.wat to do..