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 lss (red)
dimensions: 7.6 x 1.3 x 0.5 cm
Relay Shield (ie 5V Quad lss 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 UN 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
Only the above package content, other products are not included.
Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.