morteza bazrafshan
New Member
hello
i want work with PIR sensor for detect man from 20meter and with 16 meter wide .
i konw that i should use lense for repair detection but what kind of lense can detect from 20 meter
plz help me
thanks
i want work with PIR sensor for detect man from 20meter and with 16 meter wide .
i konw that i should use lense for repair detection but what kind of lense can detect from 20 meter
plz help me
thanks