3-in-1 8-CH 24V Relay Module w/ Optocoupler for Arduino

5V 8 channel relay module BOARD with optocoupler Output 8 way FOR ARDUINO

1 2 4 8 Channel DC 24V Relay Module with Optocoupler High and Low Level Trigger Expansion Board For arduino 24 V Relays Board

10pcs 5V 12V Low Level Trigger 1 channel relay module With Optocoupler Output 1 way relays module for AVR DSP ARM MCU arduino

12V 16 channel relay module BOARD with optocoupler Output 16 way FOR ARDUINO 8051 avr pic

4 Channel DC 5V Relay Module Board, Electrical Equipments 4-Ch Optocoupler fit Arduino PIC Smart Home Control Switch

16 Channel DC 12V Relay Module Board, Electrical Equipments 16-Ch Optocoupler fit Arduino PIC Smart Home Control Switch

12V 8/2 Channel Relay Module Interface Board Low Level Trigger Optocoupler for Arduino SCM PLC Smart Home Remote Control Switch

10pcs 5V 12V Low Level Trigger 1 channel relay module With Optocoupler Output 1 way relays module for AVR DSP ARM MCU arduino

12V 8/2 Channel Relay Module Interface Board Low Level Trigger Optocoupler for Arduino SCM PLC Smart Home Remote Control Switch

DC 5V 12V 24V 16 Channel Relay Module For arduino ARM PIC AVR DSP Electronic Relay optocoupler LM2576 Interface Power Relays

DC 5V 6 Channel 6-CH Relay Module with light coupling Optocoupler Insulation for Arduino Raspberry Pi Expansion Board

DC 5V 12V 24V 16 Channel Relay Module For arduino ARM PIC AVR DSP Electronic Relay optocoupler LM2576 Interface Power Relays

DC 5V 12V 24V 16 Channel Relay Module For arduino ARM PIC AVR DSP Electronic Relay optocoupler LM2576 Interface Power Relays

DC 5V/12V 8 Channel Relay Module 8 Way Relays With Optocoupler For Arduino PIC AVR MCU DSP ARM 8-Channel Relay Expansion Board

3V 8 Channel Relay Module Interface Board Low Level Trigger Optocoupler for Arduino SCM PLC Smart Home Remote Control Switch

OOTDTY 16 Channel 5V Relay Shield Module For Arduino UNO 2560 128 ARM PIC AVR STM32 Electronic Relay Belt Optocoupler Insulation

5V 12V 24V 4 Channel Relay Module With Optocoupler isolation Support High and Low Level Trigger 4 Road Relays Board For Arduino

DC 5V 12V 24V 16 Channel Relay Module For arduino ARM PIC AVR DSP Electronic Relay optocoupler LM2576 Interface Power Relays

16-Channel 16CH 16 CH WAY 5V Relay Shield Module With Optocoupler LM2576 Power Supply For Arduino Board

3V 8 Channel Relay Module Interface Board Low Level Trigger Optocoupler for Arduino SCM PLC Smart Home Remote Control Switch

12V 16-Channel 16CH 16 CH WAY Relay Shield Module With Optocoupler LM2576 Power Supply For Arduino Board

DC 5V 16 Channel Relay Module For arduino ARM PIC AVR DSP Electronic Relay optocoupler LM2576 Interface Power Relays

DC 5V/12V 8 Channel Relay Module 8 Way Relays With Optocoupler For Arduino PIC AVR MCU DSP ARM 8-Channel Relay Expansion Board

3V 8 Channel Relay Module Interface Board Low Level Trigger Optocoupler for Arduino SCM PLC Smart Home Remote Control Switch

3V 8 Channel Relay Module Interface Board Low Level Trigger Optocoupler for Arduino SCM PLC Smart Home Remote Control Switch

5V 4 Channel Relay Module Interface Board Low Level Trigger Optocoupler for Arduino SCM PLC Smart Home Remote Control Switch

8-Channel 8-CH Relay Module DC 5V with Optocoupler isolation H/L high/low Level Triger for Arduino

16-Channel 16CH 16 CH WAY 5V Relay Shield Module With Optocoupler LM2576 Power Supply For Arduino Board

16 Channel Relay Module for arduino ARM PIC AVR DSP Electronic Relay Plate Belt optocoupler isolation 16 Way Relays Module

Waveshare 24921 Modbus RTU 16-Ch Relay Module, RS485 Interface, With Multiple Isolation Protection Circuits

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