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5V 1Ch Relay Module Board with Optocoupler
SKU: ML2015-4
Availability:
In stock
5V 1Ch Relay Module Board with Optocoupler
රු290.00 or 3 X රු96.67 with
In stock
5V 1Ch Relay Module Board with Optocoupler
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Features:
Main chip: LM393, Electret condenser microphone
Great for Acoustic control light , give sound and light alarm working with Photosensitive sensor ,and sound control,sound detect
Signal output indication
Single channel signal output
Effective output signal is low level
Working voltage: DC 4V-6V
Note:The Maximum induction distance is 0.5M
Specification:
Weight: 4g
Size: 3.1×1.6×0.8cm
Package Included:
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