Show pageOld revisionsBacklinksFold/unfold allBack to top This page is read only. You can view the source, but not change it. Ask your administrator if you think this is wrong. ====== Owl passage detection ====== ===== Light barrier ===== * use infrared light, as it is non-visible. * ideally, right angled SMD LED, example: [[http://www.mouser.ch/search/ProductDetail.aspx?R=0virtualkey0virtualkeySFH-4656-Z|SFH 4656 Narrow beam LED in MIDLED package (850 nm) from Osram]] * Important: "Products which incorporate these devices have to follow the safety precautions given in IEC 60825-1 and IEC 62471." * www.intersil.com/content/dam/Intersil/documents/an17/an1737.pdf * IEC/EN 62471: www.smartvisionlights.com/wp-content/uploads/pdf/IEC_62471_summary.pdf * ... * --> CAUTION with choosing the LED current value * Detector: TSOP38238 IR Receiver Module octanisx/nestbox/lightbarrier.txt Last modified: 5 years agoby raffael.tschui