Serial port 16 relay module / relay control panel / support software programming /232 interface 16 output

Plc remote control module wireless programming communication debugging 4g card to network port serial port 485/232

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-0.6%

Serial port 485 interface control relay 32 way relay output board bus control output switch board

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Dc 5v 2 channel micro usb relay module control panel with indicator 2 ways relay output usb interface

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-3%

Nlk-io-0808 rs485 relay io extension serial port relay module modbus rtu relay

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-2%

Micro usb relay module 5v 2 channel relay module, relay control panel with indicator 2way relay

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-0.9%

8 way isolation relay output module rs485+232 double serial port modbusrtu industrial control.

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0

Free shipping 16 relay / control board /16 input /16 output /rs485/rs232/can

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1

Relay module 12v 1 channel relay module rs485 rtu serial port multi-function relay module plc controller

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-1%

10pcs with optocoupler 8 channel 8-channel relay module relay control panel plc relay 5v module

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Eight way input and output 232/485 dual port serial relay relay module relay board

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1pcs with optocoupler 8 channel 8-channel relay module relay control panel plc relay 5v module

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2 channel relay module serial port rs232 relay switch board tb351 uart protocol db9 interface remote control board

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-5%

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

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-13%

Thinary electronic 1pcs with optocoupler 8 channel 8-channel relay module relay control panel plc relay 5v module

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-3%

4 channel relay module 4-channel relay control board with optocoupler relay output 4 way relay module for arduino mcu control

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4

4 channel relay module 4-channel relay control board with optocoupler. relay output 4 way relay module

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-9%

With optocoupler 2 channel relay kit modules relay control panel plc relay 5v 4 channel & 8 channel (relay module kit)

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Gy-25 inclination angle module serial port direct output angle data mpu-6050 module

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-26%

Free shipping switch acquisition control module, 16 inputs, 16 relay output, usb interface

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Mcp23017 serial interface module iic i2c spi mcp23s17 bidirectional 16-bit i/o expander pins 10mhz serial interface module

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1

Tzt 8 channels seriel port relay module 8-input 8-outout controller board computer control relay cnc

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

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-4%

Fast free ship 5pcs transmission-recerving module ultrasonic transducer/serial port output waterproof ultrasonic ranging module

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-1%

4 channel relay module 4-channel relay control board with optocoupler. relay output 4 way relay module for ard uino

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-3%

30pcs 4 channel relay module 4-channel relay control board with optocoupler. relay output 4 way relay module for arduino

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-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

-7%

16-channel digital input and output relay industrial-grade module 24v control board rs485 serial communication isolation type

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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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-23%

Free shipping rfid card reading module 125k khz uart serial port wiggins output rf module id card

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-6%

Serial port io acquisition module relay control board expansion switch rs485/232 communication modbus protocol

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16-channel pt100 temperature acquisition module, support modbus-rtu configuration king rs485+232

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Zy-k216 serial port control switch rs232 control 16 way relay module industrial control switch strip isolation

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485 bus control 1 switch input 1 relay output support timing 3 kernel programming

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-1%

Analog digital input and output io module modbusrtu&tcp rs485/232 16 enters 4 out.

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-1%

12 channel relay output 16 analog input modbus rtu rs485 rs232 module

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-3%

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

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-7%

New 16-channel relay output module switching quantity input and output module relay control board acquisition alarm

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-2%

Sht20 temperature and humidity sensor module serial port output measurement threshold control circuit board connecting computer

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-1%

8 channel serial control module pc control relay output rs232+rs485 optocoupler isolation input

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1

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8 way rs232 485 serial port relay control panel (modbus version) computer controlled relay module

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3.5 inch lcd 320*240 touch module +controller board +software + serial port support any mcu

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-10%

16 way open contact relay module plc output signal amplifying relay disc rt-p16s 24v

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