4 Channel optocoupler isolation module high&low level conversion SCM input IO isolation SCM anti-interference 2P+6P flat cable

2pcs 4 channel optocoupler isolation module 4-channel expansion board high and low level optocoupler isolation for arduino

0

0

Hw-399 4-channel optocoupler isolation module for arduino high and low level expansion board electronic building blocks red

0

0

-2%

Wavgat tlp281 4 channel opto-isolator ic module for arduino expansion board high and low level optocoupler isolation 4 channel

3

9

5.0

Dc 24v 1 way channel ch relay module shield optocoupler isolation high low level trigger expansion board for arduino

1

1

-2%

Incomplete data

2 channel dc 5v 12v 24v relay module 30a optocoupler isolation module high and low level trigger relay for smart home plc

0

1

-5%

Dc 5v 2ch 2 way channel ch relay module board optocoupler isolation supports high low level trigger relay for arduino diy kit

1

1

4.0

-4%

4 channel 5v relay module with optical coupling isolation support of high and low level trigger 2 relay module x-0.07

1

1

-1%

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

2

4

5.0

-6%

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

4

6

5.0

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

13

12

5.0

1pc 5v 12v 24v 1 2 4 8 channel relay module 1 2 4 8 way with optocoupler support high and low level trigger for arduino

4

8

5.0

Incomplete data

1 2 4 6 8 channel 5v 12v 24v relay module board shield with optocoupler support high and low level trigger for arduino

0

0

-1%

1 2 4 6 8 channel 5v 12v 24v relay module board shield with optocoupler support high and low level trigger for arduino

0

0

Incomplete data

1 2 4 6 8 channel 5v 12v 24v relay module board shield with optocoupler support high and low level trigger for arduino

2

0