Pyroelectric infrared sensor automatic door control and language voice circuit diagram(HN911D)

Published:2011/4/7 4:13:00 Author:Rebekka | Keyword: Pyroelectric infrared sensor, automatic door control , language voice | From:SeekIC

The circui is shown as the figure. It is composed of Pyroelectric infrared sensor module, the delay control networks, optical coupling and the SCR control circuit, language voice circuits, AC buck rectifier. HN911D is a pyroelectric infrared detector module.



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