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DC 5V 12V 1 2 4 6 8 way relay module for arduino 1 2 4 6 8 channel relay module with optocoupler High and Low Level Trigger

KY-019 5V One 1 Channel Relay Module Board Shield For PIC AVR DSP ARM for arduino Relay

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1 Channel Relay Module Interface Board Shield For Arduino 5V/12V/24V Low Level Trigger One PIC AVR DSP ARM MCU DC AC 220V

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5V 12V 24V Relay Output Mudule Support High Or Low Level Trigger Relay Board with Optocoupler Isolation Electronic Components

LED Digital Timer Relay Delay Switch Module DC5V/12V/24V Adjustable Time-Delayed Trigger Timing Switch Relays Board

1-5Pcs DC 5V 9V 12V 24V 1 Channel Relay Module With Optocoupler Shield Board High Low Level Trigger Power Supply Module Arduino

3.3V 5V 12V 24V 1 Channel Relay Module High And Low Level Trigger Dual Optocoupler Isolation Relay Module Board

1-10pcs XH-M131 DC 5V 12V Light Control Switch Photoresistor Relay Module Detection Sensor 10A brightness Automatic Control

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ONE 1 channel relay module 30A with optocoupler isolation 5V 12V 24V supports high and low Triger trigger

5V 1 Channel Relay Module With Optocoupler KY-019 1 Way For Arduino

1/5/10PCS 5V 12V low level trigger One 1 Channel Relay Module interface Board Shield For PIC AVR DSP ARM MCU for Arduino

1/2/4/10PCS Relay module 1 Channel 5V Relay Module Board Shield with Optocoupler Support High and Low Level Trigger for Arduino

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KY-019 5V One 1 Channel Relay Module Board Shield For PIC AVR DSP ARM For Arduino Relay

5/10pcs DC-DC Buck Converter Step Power Supply Module 5V-30V To 3.3V 5V 9V 12V 3A Voltage Regulator for Car Motorcycle Battery

2 Channel DC 5V Relay Module with Optocoupler Low Level Trigger Expansion Board Compatible with Arduino R3 MEGA 2560 1280 DSP AR

Dual-Delay 2-Stage Adjustable Relay Module DC5V DC12V DC24V Delayed On + Delayed Off Triggered Delay Relay Module

XH-M131 DC 5V 9V 12V 24V Light Control Switch Photoresistor Relay Module Detection Sensor Brightness Automatic Control Module

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