One CH 1 Channel 12V Relay Board Shield with Optocoupler Support High And Low Level Trigger Power Supply Module for Arduino

1ch 1 channel relay module interface board shield for arduino 5v low level high level trigger one pic avr dsp arm mcu dc ac 220v

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One channel relay shield dc 5v 1 channel relay module for arduino pic avr dsp arm mcu power supply relay board with optocoupler

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12v 16-channel 16ch 16 ch way relay shield module with optocoupler lm2576 power supply for arduino board

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1

10pcs dc ac 220v 1ch 1 channel relay module interface board shield for arduino 5v low level trigger one pic avr dsp arm mcu

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1ch 1 channel one way dc 5v board protector relay module board with optocoupler high support low for arduino trip level 1ch

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2 channel relay module 12v 24v high and low level trigger relay control with red optocoupler two way relays

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5v 1 channel relay module low level trigger optocoupler driver relay for arduino pic avr dsp mcu max 10a 250vac/30vdc

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Relay module 1 channel 5v relay module board shield with optocoupler support high and low level trigger for arduino#dg4

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1

One 1 channel 12v relay module board shield with optocoupler support high and low level trigger power supply module for arduino

2

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5.0

12v 1 2 4 8 channel relay module board shield with optocoupler road high and low level trigger relay for arduino

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Dc 5v 1 channel relay shield power supply relay module for arduino intelligent home improvement relay board with optocoupler

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1 2 4 8 channel 5v 12v relay module board shield with optocoupler support high and low level trigger for arduino

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1

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One 1 channel 5v relay module board shield with optocoupler support high and low level trigger for arduino

2

3

5.0

One 1 channel 5v relay module board shield with optocoupler support high and low level trigger power supply module for arduino

2

4

5.0

5pcs/lot relay shield dc 5v 1 channel relay module for arduino pic avr dsp arm mcu power supply relay board with optocoupler

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One 1 channel 5v relay module board shield with optocoupler support high and low level trigger for arduino

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1

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4.7

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1

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1 2 4 8 channel 5v 12v relay module board shield with optocoupler support high and low level trigger for arduino

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1 way 12v relay board shield with optocoupler high & low lever trigger for ardiuno 5v 1/2/4/8 channel power supply module

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2

5.0

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One 1 channel relay module dc 12v high and low level trigger relay control with optocoupler

1

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Two 2 channel 12v relay module board shield with optocoupler support high and low level trigger relay for arduino

1

2

5.0

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5v 2 channel ch relay module high low level trigger with opto isolation supports two way relays module with optocoupler dc 5v

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1pcs dc 12v 1 channel relay module high and low level trigger relay module with optocoupler for arduino

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