Parking guidance system

[pasicr]

parking guidance system

Hi for all, I found this picture on net, this is parking guidance system, when the car is on parking place system light RED, when the parking place is free system light GREEN,
can somebody share with me idea for chip electronics to do this? for example with battery powering?
regards

 

[lats]

st electronics’ parking guidance system

didn't got what are u asking for? a solution? if so use ultrasonic signals.

 

[sau_sol]

car parking guidance systems

the picture shows a ultrasonic Transceiver
other than that you can also use IR circuits
or you can use the cheapest of all the LDR with a laser transmitter
but it wont be reliable for long term use