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

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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

10PCS 5V One Channel Relay Module Relay Switch with OPTO Isolation High Low Level Trigger for Arduino Raspberry pi ARM AVR

DC 5V 12V 24V Delay Open Delay Close Trigger Dual Delay Adjustable Relay Module Trigger Delay Relay Module (Delay On+Delay Off)

DC 5V ~ 36V Dual MOS LED Digital Time Delay Relay Trigger Cycle Timer Delay Switch Circuit Board Timing Control Module DIY

5V 12V One 1 Channel Relay Module Board Shield with optocoupler Support High and Low Level Trigger

DC-DC Triple Output Power Module 3.3V 5V 12V 800mA Buck Converter Bank for Arduino ESP32 ESP8266 STM32 Electronics DIY