working on RF automatic ON/OFF switch ,
with two modes,
-automatically mode switches ON/OFF within right distance (400m)
-manual mode=switches ON/OFF with a single button
when u coming home or getting closer to ur house the receiver switches on automatically ,and when u leave the house its switches automatically OFF after 5 second delay
Chip model:
Type 1: SYN480R receiver
Type 2: SYN115 transmitter
HT12E
HT12D
