Eight serial control relay module Board/RS232/Computer control switch 8 Channel computer control remote

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

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-5%

4 four channel 4 channel usb relay module usb intelligent control switch usb computer switch

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-1%

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

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1

Rs232 sp3232 ttl ttl flash line serial rs232 module rs232 turns module heavy gold plate

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1

-13%

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

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-1%

Free shipping 1pc industrial remote control serial wifi module ttl/rs232 wireless module for spi interface hx-m02 wifi module

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

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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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8-way relay expansion board 5v relay module eight channel mcu development (d2b2)

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-8%

10pcs switch remote control module 1 channel infrared remote control 5v relay module learning ir remote control xd

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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

-0.8%

5v 8-channel relay module board pic avr mcu dsp arm electronic 8-channel relay module for arduino relay diy electronics

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-9%

9v 12v 4ch serial port uart rs232 relay remote control kit

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-0.3%

Trace module eight 8 channel tracking module tracing module for line finding module

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2 channel 5v delay relay module ch340 ch340g micro usb to ttl intelligent control switch board programmable for arduino computer

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-0.4%

10pcs/lot 8 channel relay module 5v 8-channel relay control board with optocoupler

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1

-5%

Sleeplion 12ch 12v remote control switch relay wireless remote switch 12 channel relay module 12v 315mhz 433mhz learn code

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

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12v 8 ch channel relay module bidirectional infrared remote control

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-1%

8 channel relay 5v 10a 8 channel relay module

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-17%

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

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-0.7%

New 5v 10a usb 8 channel relay upper computer icse014a 8-channel relay module

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-0.8%

1 2 4 8 channel 5v/12v usb relay control switch programmable computer control for smart home

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

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-1%

Dc12v 1 channel relay module infrared ir remote switch control 1 ch relay driving board controller for electronic diy

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1

-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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-5%

Esp8266 serial wifi remote wireless control wif module esp-07

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-2%

Sleeplion 100m 24v 4ch wireless smart remote switch digital smart remote control relay switch 24v 4 channel relays module 433mhz

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-2%

Rs232 to ttl / serial serial to ttl / serial port module / brush board max3232 chip

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

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-6%

Usb serial port control 1 channel relay module 5v 10a ch340 overcurrent protection computer command control switch smart home

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12v/10a 4-channel bluetooth relay module mobile app remote control switch diy electronics

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-28%

New dc 12v 2 channel rf 433mhz wireless remote control switch relay receiver module

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New dc 12v 2 channel rf 433mhz wireless remote control switch relay receiver module

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-0.9%

New ac 220v relay 2ch channel wireless rf remote control switch up /down/stop latched remote control switch

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

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1

Bluetooth relay module remote control switch 12v iot wireless module mobile phone bluetooth remote control diy electronics

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1

-1%

New 315mh z433mhz dc 12v 8 ch channel rf wireless remote control switch remote control system receiver transmitter 8ch relay

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8-channel io serial port controller network relay data acquisition industrial control multi-channel centralized control switch

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Free shipping relay / control board /8 input /8 output /rs485/rs232/can

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1

Usb rotary ttl module rs232 upgrade usb rotary ttl serial port usart hmi lcd screen dedicated 0.12-x

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-4%

Universal wireless remote control switch ac110v 220v 230v 4ch relay receiver module with 4 channel rf remote transmitter

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1 channel touch module with relay touch switch capacitive touch button low power consumption touch pad

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-0.6%

Incomplete data

Ethernet tcp/ip remote control module rj45 port network web server 8 channels relay integrated remote controller board

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1

-3%

433mhz universal receiver module rf remote control smart switch relay 1ch mini wireless control switch transmitte remote control

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-5%

Mini wireless rf remote control light switch 10a relay output radio ac 220v 1 ch channel 1ch receiver module +transmitter

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-2%

8 channel dc 12v multi-function infrared remote control relay module with dual trigger two-way driver ic module bidirectional

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