sunnystar
Junior Member level 3
my project block diag:
keypad(input)=>pic16f877a=>max232=>DTMF encoder=>RF 433 ASK Tx => RF 433 ASK Rx=>DTMF decoder=>max232=>pic16f877a=>relays
the data is being correctly transmitted and received using max232.
so in cross questioning if i asked why i'm using max232 is then what will be the answer?? plz help me
keypad(input)=>pic16f877a=>max232=>DTMF encoder=>RF 433 ASK Tx => RF 433 ASK Rx=>DTMF decoder=>max232=>pic16f877a=>relays
the data is being correctly transmitted and received using max232.
so in cross questioning if i asked why i'm using max232 is then what will be the answer?? plz help me