The Relay Shield is an Arduino compatible smart module with 4 mechanical relays providing an easy way to control high voltage. The max switching power is 35VDC 70W for each channel. It can be directly controlled by Arduino/Seeeduino through digital IO.
|Relay Shield V1.0||Relay Shield V2.0||Relay Shield V3.0|
Here lists the comparison between various versions of Relay Shield:
|Parameter||Relay Shield V1.0||Relay Shield V2.0||Relay Shield V3.0|
|Working Voltage||+7V ~+12V||+5V||+5V|
|Power||Extern power supply||5V Pin of Arduino/Seeeduino||5V Pin of Arduino/Seeeduino|
|Working status indicators for each relay||No||Yes||Yes|
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