2 Channel Relay Module Serial Port RS232 Relay Switch Board TB351 UART Protocol DB9 Interface Remote Control Board

16ch dc 12v serial port db9 uart rs232 relay module for plc pc com 3d printer led home lighting motor

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-7%

5a 1 2 channel way 5v/12v/24v relay module low level trigger solid state relay dc control board dc single phase device

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0

Micro usb relay module 5v 4 channel relay module relay control panel with indicator 4 way relay output usb interface

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3

Rs232 relay 12v 4ch db9 rs232 relay board remote control uart serial port switch for car motor

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1

-2%

Incomplete data

10pcs/lot mrc-25d51c24 1no relay module voltage relay board dc24v input 5a 250vdc/ac output electromagnetic circuit interface

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1

-8%

8 channel relay module solid state relay module board trigger low level 5v dc for arduino raspberry pi dsp avr pic arm

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0

-34%

1pc micro usb relay module 5v 4 channel relay module relay control panel with indicator 4 way relay output usb interface

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0

6 channel solid state relay module board high level trigger 5v 2a module for arduino duemilanove mega2560 mega1280 arm dsp pic

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2

-0.7%

2 channel solid state relay module board high level trigger 5v 2a for arduino mega2560 mega1280 arm dsp pic relay module

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1

-3%

2-way relay module output 2 channel switch input ttl/rs485 interface communication modbus-rtu

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-4%

5v wifi relay module esp8266 iot app controller 2-channel for smart home automation board mobile phone wifi module

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-3%

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10pcs/lot plc control 1no+1nc 24v switch interface relay module 6a 250vac/dc output led electromagnetic voltage relay switch

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-3%

Incomplete data

Relay module 16 channel relay module 5v 20a relay control module supports high and low voltage triggering

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0

Expansion board 12v 6-channel rs485 relay plc electrical expansion module for modbus rtu protocol remote control

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0

10pcs solid state relay ssr-25dd single phase solid state module relay 25a control signal 3-32vdc load voltage 5-200vdc

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1

-8%

4 channel solid state relay module board high level trigger 5v 2a for arduino uno duemilanove mega2560 mega1280 arm dsp pic

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0

-9%

Rs232 to ttl module / uart/ serial port module / db9 male and female / isolation / shell / t310/t312

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0

-0.2%

6 channel solid state relay module board high level trigger 5v 2a for arduino uno duemilanove mega2560 mega1280 arm dsp pic

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1

-8%

6 channel solid state relay module board high level trigger 5v 2a for arduino uno duemilanove mega2560 mega1280 arm dsp pic

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0

Dc 12v relay 8 channel relay module rs485 relay command programmable control module board

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0

-7%

8 channel solid state relay module board high level trigger ssr input 5v dc output 240v ac 2a for ardui for arduino diy kit

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0

-0.3%

12v relay switch 8-channel computer usb controller switch relay module pc smart relay switch controller

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0

Dc 12v delay relay switch module timer relay normally open trigger delay relay delay circuit module

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0

Mrc-25d61z05 5v plc electromagnetic interface relay module control board 6a ultra-thin plc relay

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1

-4%

4ch rs485 relay switch module uart modbus rtu at for ptz plc smart home

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0

-8%

2 channel solid state relay module board high level trigger 5v 2a for arduino uno duemilanove mega2560 mega1280 arm dsp pic

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0

Dc 5v 12v 24v led digital time delay relay automatic control switch module voltage timer relay circuit board for diy

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2

Usb relay module mcu pc usb smart control switch jog self-locking serial port intelligent control relay module

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0

Geya ngg2r din rail 6 channel relay module with fuse protection ormon relay plc price

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1

-7%

Dc 5v 4 channel relay module relay control panel with indicator 4 way relay output micro usb interface

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0

Dc 12v 16 channel bluetooth relay board wireless remote control switch 16 channel bluetooth relay module

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0

-4%

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Mrc-25d51c24 1no relay module industrial voltage relay board dc 24v input 5a 250vdc/ac out electromagnetic circuit interface din

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-6%

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

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0

-0.2%

Eight serial control relay module board/rs232/computer control switch 8 channel computer control remote

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1

-2%

5v 2 channel relay module with optocoupler isolation supports high and low trigger voltage 5v

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1

-5%

Dc 12v realy 16 channel rs485 relay module rtu relay board plc controller serial port switch 485 relais

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0

Relay 5v 8 eight channel timer relay module board shield with optocoupler for arduino arm pic avr dsp diy mcu delay relay

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-1%

Esp8266 esp-12f wifi relay module 10a 220v timer delay relays wifi module automatic protection control board temporizador

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0

12v 8-channel rs485 relay plc expansion board for rtu protocol remote control industrial accessories

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1

-3%

Dc 5v relay real time timer delay relay module digital display switch control board multiple mode controller wiring diagram

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0

-12%

5v-32v 220v wifi relay module 4ch smart switch remote control 433mhz rf receive timer relay module for smart home wifi control

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0

Dc 9v 1 channel relay module with optocoupler shield board high and low level trigger power supply module for arduino

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0

-1%

5v dc 2 channel solid state relay module high level g3mb-202p for scm household appliance control for arduino diy starter kit

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2

Ac 220v digital display timer delay relay board module timing relay switch 0-99 seconds / min relay tools

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0

-0.5%

Incomplete data

Mrc-25d61c24 plc control board ultra thin intermediate relay module output 6a 250vac/dc normally open silver alloy

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0

-2%

Db9 female/male rs232 uart switch board dc 12v 232 relay module for plc led motor

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1

5pcs 5v reed relay sip-1a05 reed switch relay module for pan chang 4pin highly sensitive control board relay

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2

-9%

Relay board shield with optocoupler low lever trigger for ardiuno 12v 2 channel power supply relay module

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0