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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

DC 5V 12V 24V 1 2 4 6 8 Channel Relay Module Board Shield with Optocoupler / High and Low Level Trigger for arduino Raspberry Pi

5-50Pcs 5V To 3.3V DC-DC Step Down Power Supply Buck Module AMS1117 800MA Automatic Adjustable Boost Board Start Limit Voltage

one 1 channel relay module DC 5V 9V 12V 24V high and low level trigger relay control with optocoupler red

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Power Supply 5V to 48V Board Relay Module Power-OFF Protection Module Automatic Switching Module UPS Emergency Cut-off Battery

5V 12V 24V Relay Module With Optocoupler Relay Output 1 2 4 6 8 16Way Relay Module For Arduino PLC Automation Equipment Control

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

5V Relay 1 2 4 8 Channel SSR High Low Level Solid State Relay Module 250V 2A For Arduino

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

1 2 4 8 Channel 5V Relay Module Solid State SSR Low Level G3MB-202P Relay Module

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1-10pcs 5V 12V One 1 Channel Relay Module Board Shield with optocoupler Support High and Low Level Trigger

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

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

1-50pcs KY-019 5V One 1 Channel Relay Module Board Shield For PIC AVR DSP ARM For Arduino Relay

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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 Channel 5V 12V 24V Relay Module Board Shield With Optocoupler Support High and Low Level Trigger Relay For Arduino

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

1-10Pcs 1 2 4 8 Channel 5V DC Relay Module Solid State High Level SSR AVR DSP G3MB-202P Relay for arduino

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