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This relay module allows you to combine the processing power of the Arduino to devices that use higher current and voltage. It does so by providing four relays that are rated for 7A at either 28VDC or 10A at 125VAC.
Each relay has a Normally Open (NO) and a Normally Closed (NC) contact.
With these relays you can control:
For more information on wiring up and using these modules (particularly with Arduino) please see the following webpage:
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