Motion Detect Sensor!!!

[Myline]

Hi Guys,anyone know what type of sensor is used to detect the object in motion?
In another word,my sensor need to detect at least 1 object(2cm X 2cm) in every second...

From the forum,
http://forum.cytron.com.my/viewtopic.php?f=9&t=11077


Is that Medium range Infrared Sensor(cryton) work for my project?

Thank in advance~

[low5545]

No, its the PIR sensor.

[royalstorm7]

hi Myline...
if the 2cmx2cm object moves in the conveyor...i dunt think PIR is the best candidate...infrared is the best solution, but still need a special configuration...

royalstorm7@yahoo.com

[robosang]

photoelectric can do the work, PIR is out of picture

[low5545]

but it can only detect the object in a straight line. That isn't useful too.