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Relay
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relay is an electrically operated switch. It consists of a set of input terminals for a single or multiple control signals, and a set of operating contact terminals. The switch may have any number of contacts in multiple contact forms, such as make contacts, break contacts, or combinations thereof.
1 Channel 12V 30A Relay Control Board Module with Optocoupler
The inputs of 1 Channel 12V 30A Relay Module are isolated to protect any delicate control circuitry.It can be used as a single chip module for appliance control and work with both DC or AC signals where you can control the 220V AC load.
4 Channel 5V 10A Relay Module with Optocoupler
4 Channel 5V 10A Relay Module can control a wide range of microcontrollers such as Arduino, AVR, PIC, ARM and so on . It is also able to control various appliances and other types of equipment with large current.
4 Channel Relay Module
Technical Parameters: Maximum load: AC 250V/10A, DC 30V/10A Trigger current: 5mA Working voltage: 5V Module size: 75 x 55 x 19mm
