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Very simple IR detector controls relay
Posted by admin on September 10th, 2007
www.scienceprog.com writes:
The circuit of this Infrared (IR) detector circuit is a simple light relay which triggers when infrared light is applied to phototransistor Q1. This device can be used in control systems. When infrared light is OFF, Q1 transistor and relay K1 are normally closed.
Very simple IR detector that controls relay - [Link]
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