Price:
US$4.19
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Wemos® 5V 4CH 4 Channel Relay Shield Extended Relay Module For Arduino
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Description:
Standard and shape Arduino Shield interfaces
continue to stack other Arduino expansion boards
3 M3 screw positioning holes for easy installation
High units (5V or 3.3V) closing of the normally open contact
Onboard indicator (red)
Blue color
materials: CCL
dimensions: 7.6 x 1.3 x 0.5 cm
Relay Shield (ie 5V Quad less module) is a small current power signal control equipment commonly used electronic module, which allows single-chip high-power control devices are widely used in the SCM system to make project smart home; and the use of various types of motherboards can be inserted directly into the Arduino, eliminating patch cable problems.
Special Note:
When using the Arduino UNO board connected to it, perches the UNO USB interface is extremely high, should avoid green terminals are shorting its shell.
Package Included:
1 x Four-channel Relay Shield