infrared car parking sensor

[kencool1]

Hello, I have found this circuit on the net and I want to know how the it works in details and also, if possible, how the components values have been calculated.

Thank you for your time and help.

http://static.electro-tech-online.com/imgcache/688-parking-_sensor-_receiver-_circuit.JPG

 

[davenn]

what circuit ?

Dave

 

[kencool1]

Sorry, here is the link

http://static.electro-tech-online.com/imgcache/688-parking-_sensor-_receiver-_circuit.JPG

 

[KMoffett]

Go back to the original source: http://www.circuitstoday.com/parking-sensor-circuit

Ken