2 Channel Relay Module Optocoupler 5V Low Level Trigger Relay | Shop The World
From USA
NewDK
2 Channel Relay Module with Optocoupler 5V Low Level Trigger Relay Expansion Board for Arduino UNO R3 DSP ARM PIC AVR STM32 Raspberry Pi
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Products from the USA may come with an input voltage of 110V–120V, requiring a step-down transformer. Check the device wattage to select the correct power converter.
•This Module Not Only Used As A Microcontroller Development Board Module, But Also As A Home Appliance Control.
•This Module Conform International Safety Standard, With Optical Coupling Isolation, Triggering More Reliable And Stable.
•5V 2-Channel Relay Interface Board, And Each One Needs 15-20mA Driver Current
From USA
