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ssylee said:I am thinking of using a laser and a laser receptor to determine if an object has blocked the light at a particular point. It has to be low power and battery-powered. Does anyone have any website or catalog to suggest as a start?
ericgibbs said:hi,
Over what distance do you want to have TX and RX?
Indoors or outdoors?
Visible or Infra red laser?
Size of object?
Not being picky, Like to help, but require more background information.