I have found out how to use a NE200B PIR IC chip to detect heat given off by a Human body, hands or face. This stops the problem with objects having to move to be detected, as the output is currently balanced between the outputs of both sensors. If however you cover up one of the sensors with a pi…

Heat sensor using PIR IC

killzone_kid October 5, 2021, 7:43am 6

Have you got a link to data sheet, google doesn’t know what that is

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