Hw-416-b -

Like most PIR sensors, it may occasionally trigger from sudden hot or cold air drafts if not positioned correctly. Verdict

: Serving as the primary motion detector in DIY intruder alarms. hw-416-b

It is highly efficient for battery-operated devices, consuming only 65 µA in standby and up to 1.5 mA during active detection. Like most PIR sensors, it may occasionally trigger