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5% off
Free shipNoise monitoring sound pressure detection module 30-130dB 31.5-8kHz sound sensor module RS485 interface Modbus protocol Free shipNoise monitoring sound pressure detection module 30-130dB 31.5-8kHz sound sensor module RS485 interface Modbus protocol

Free shipNoise monitoring sound pressure detection module 30-130dB 31.5-8kHz sound sensor module RS485 interface Modbus protocol

$188.95$198.90

38% off
ELETECHSUP 8Ch Ds18B20 Rs485 Modbus Rtu Temperature Control Sensor Remote Digital Module PLC R4DCB08 ELETECHSUP 8Ch Ds18B20 Rs485 Modbus Rtu Temperature Control Sensor Remote Digital Module PLC R4DCB08

ELETECHSUP 8Ch Ds18B20 Rs485 Modbus Rtu Temperature Control Sensor Remote Digital Module PLC R4DCB08

$9.64$15.55

30% off
Digital Display Meter 0-10V 0-20MA 2-10V 4-20MA Analog Input Display Table Digital Display with RS485 Version Digital Display Meter 0-10V 0-20MA 2-10V 4-20MA Analog Input Display Table Digital Display with RS485 Version

Digital Display Meter 0-10V 0-20MA 2-10V 4-20MA Analog Input Display Table Digital Display with RS485 Version

$11.73$16.76

5% off
12V 1 Channel RS485 MODBUS RTU Serial Port Multifunctional Relay Module PLC Controller 12V 1 Channel RS485 MODBUS RTU Serial Port Multifunctional Relay Module PLC Controller

12V 1 Channel RS485 MODBUS RTU Serial Port Multifunctional Relay Module PLC Controller

$70.18$73.87

5% off
RS485 Modbus RTU temperature and humidity sensor indoor and outdoor room, computer room, farm temperature and humidity monitorin RS485 Modbus RTU temperature and humidity sensor indoor and outdoor room, computer room, farm temperature and humidity monitorin

RS485 Modbus RTU temperature and humidity sensor indoor and outdoor room, computer room, farm temperature and humidity monitorin

$102.34$107.73

5% off
SM2138B Overflow Water Leakage RS485 Detection Transmitter Relay Water Immersion Sensor Switch Module SM2138B Overflow Water Leakage RS485 Detection Transmitter Relay Water Immersion Sensor Switch Module

SM2138B Overflow Water Leakage RS485 Detection Transmitter Relay Water Immersion Sensor Switch Module

$168.57$177.44

49% off
TTL To RS485 Adapter 485 Serial Port UART Level Converter Module 3.3V 5V TTL To RS485 Adapter 485 Serial Port UART Level Converter Module 3.3V 5V

TTL To RS485 Adapter 485 Serial Port UART Level Converter Module 3.3V 5V

$0.93$1.82

6% off
Temperature Humidity Transmitter RS485 SHT20 Sensor Modbus RTU Acquisition Module Transducer High Precision Temperature Humidity Transmitter RS485 SHT20 Sensor Modbus RTU Acquisition Module Transducer High Precision

Temperature Humidity Transmitter RS485 SHT20 Sensor Modbus RTU Acquisition Module Transducer High Precision

$6.32$6.77

6% off
Industrial USB to RS485 RS232 Converter Upgrade Protection RS485 Converter Compatibility V2.0 Standard -485 Connector Industrial USB to RS485 RS232 Converter Upgrade Protection RS485 Converter Compatibility V2.0 Standard -485 Connector

Industrial USB to RS485 RS232 Converter Upgrade Protection RS485 Converter Compatibility V2.0 Standard -485 Connector

$4.38$4.68

Digital Display Meter 0-10V 0-20MA 2-10V 4-20MA Analog Input Display Table Digital Display with RS485 Version Digital Display Meter 0-10V 0-20MA 2-10V 4-20MA Analog Input Display Table Digital Display with RS485 Version

Digital Display Meter 0-10V 0-20MA 2-10V 4-20MA Analog Input Display Table Digital Display with RS485 Version

$16.29$16.29

23% off
Digital Display Meter 0-10V 0-20MA 2-10V 4-20MA Analog Input Display Table Digital Display with RS485 Version Digital Display Meter 0-10V 0-20MA 2-10V 4-20MA Analog Input Display Table Digital Display with RS485 Version

Digital Display Meter 0-10V 0-20MA 2-10V 4-20MA Analog Input Display Table Digital Display with RS485 Version

$11.22$14.57

42% off
TTL To RS485 Adapter 485 Serial Port UART Level Converter Module 3.3V 5V TTL To RS485 Adapter 485 Serial Port UART Level Converter Module 3.3V 5V

TTL To RS485 Adapter 485 Serial Port UART Level Converter Module 3.3V 5V

$0.95$1.63

40% off
USB 2.0 to RS485 -485 RS422 -422 DB9 COM Serial Port Device Converter Adapter Cable, PL2303 USB 2.0 to RS485 -485 RS422 -422 DB9 COM Serial Port Device Converter Adapter Cable, PL2303

USB 2.0 to RS485 -485 RS422 -422 DB9 COM Serial Port Device Converter Adapter Cable, PL2303

$7.31$12.19

5% off
12V 4-channel RS485 Bus Multi-function Delay Relay MODBUS and AT Command Control Remote Control Switch 12V 4-channel RS485 Bus Multi-function Delay Relay MODBUS and AT Command Control Remote Control Switch

12V 4-channel RS485 Bus Multi-function Delay Relay MODBUS and AT Command Control Remote Control Switch

$85.89$90.41

7% off
Digital Display Meter 0-10V 0-20MA 2-10V 4-20MA Analog Input Display Table Digital Display with RS485 Version Digital Display Meter 0-10V 0-20MA 2-10V 4-20MA Analog Input Display Table Digital Display with RS485 Version

Digital Display Meter 0-10V 0-20MA 2-10V 4-20MA Analog Input Display Table Digital Display with RS485 Version

$15.16$16.40

25% off
DC 12V 24V 16 in 16 Out RS485 Remote Switch PLC IO Expansion Board Modbus RTU Multifunctional Convenience Module DC 12V 24V 16 in 16 Out RS485 Remote Switch PLC IO Expansion Board Modbus RTU Multifunctional Convenience Module

DC 12V 24V 16 in 16 Out RS485 Remote Switch PLC IO Expansion Board Modbus RTU Multifunctional Convenience Module

$15.81$21.08

30% off
RS485 Date Signal Power Arrester Anti Surge Protector Monitoring CCTV Camera Protection Device Thunder Preventer RS485 Date Signal Power Arrester Anti Surge Protector Monitoring CCTV Camera Protection Device Thunder Preventer

RS485 Date Signal Power Arrester Anti Surge Protector Monitoring CCTV Camera Protection Device Thunder Preventer

$6.56$9.37

40% off
Digital Display Meter 0-10V 0-20MA 2-10V 4-20MA Analog Input Display Table Digital Display with RS485 Version Digital Display Meter 0-10V 0-20MA 2-10V 4-20MA Analog Input Display Table Digital Display with RS485 Version

Digital Display Meter 0-10V 0-20MA 2-10V 4-20MA Analog Input Display Table Digital Display with RS485 Version

$11.12$18.53

USB 2.0 to RS485 -485 RS422 -422 DB9 COM Serial Port Device Converter Adapter Cable, PL2303 USB 2.0 to RS485 -485 RS422 -422 DB9 COM Serial Port Device Converter Adapter Cable, PL2303

USB 2.0 to RS485 -485 RS422 -422 DB9 COM Serial Port Device Converter Adapter Cable, PL2303

$8.70$8.70

40% off
USB 2.0 to RS485 -485 RS422 -422 DB9 COM Serial Port Device Converter Adapter Cable, PL2303 USB 2.0 to RS485 -485 RS422 -422 DB9 COM Serial Port Device Converter Adapter Cable, PL2303

USB 2.0 to RS485 -485 RS422 -422 DB9 COM Serial Port Device Converter Adapter Cable, PL2303

$7.44$12.40

40% off
JK 485 Converter for JK RS485 Adapter Module JK 485 Converter for JK RS485 Adapter Module

JK 485 Converter for JK RS485 Adapter Module

$7.09$11.81

5% off
Temperature and Humidity Transmitter Modbus Acquisition and Monitoring Industrial-grade High-precision Standard Rail RS485 Temperature and Humidity Transmitter Modbus Acquisition and Monitoring Industrial-grade High-precision Standard Rail RS485

Temperature and Humidity Transmitter Modbus Acquisition and Monitoring Industrial-grade High-precision Standard Rail RS485

$90.31$95.06

54% off
USB 2.0 to RS485 RS-485 RS422 RS-422 DB9 COM Serial Port Device Converter Adapter Cable, Prolific PL2303 USB 2.0 to RS485 RS-485 RS422 RS-422 DB9 COM Serial Port Device Converter Adapter Cable, Prolific PL2303

USB 2.0 to RS485 RS-485 RS422 RS-422 DB9 COM Serial Port Device Converter Adapter Cable, Prolific PL2303

$7.83$17.02

34% off
Digital Display Meter 0-10V 0-20MA 2-10V 4-20MA Analog Input Display Table Digital Display with RS485 Version Digital Display Meter 0-10V 0-20MA 2-10V 4-20MA Analog Input Display Table Digital Display with RS485 Version

Digital Display Meter 0-10V 0-20MA 2-10V 4-20MA Analog Input Display Table Digital Display with RS485 Version

$11.21$16.98

28% off
Digital Display Meter 0-10V 0-20MA 2-10V 4-20MA Analog Input Display Table Digital Display with RS485 Version Digital Display Meter 0-10V 0-20MA 2-10V 4-20MA Analog Input Display Table Digital Display with RS485 Version

Digital Display Meter 0-10V 0-20MA 2-10V 4-20MA Analog Input Display Table Digital Display with RS485 Version

$10.69$14.85

40% off
USB 2.0 to RS485 -485 RS422 -422 DB9 COM Serial Port Device Converter Adapter Cable, PL2303 USB 2.0 to RS485 -485 RS422 -422 DB9 COM Serial Port Device Converter Adapter Cable, PL2303

USB 2.0 to RS485 -485 RS422 -422 DB9 COM Serial Port Device Converter Adapter Cable, PL2303

$7.31$12.19

33% off
DC 12V 24V 16 in 16 Out RS485 Remote Switch PLC IO Expansion Board Modbus RTU Multifunctional Convenience Module DC 12V 24V 16 in 16 Out RS485 Remote Switch PLC IO Expansion Board Modbus RTU Multifunctional Convenience Module

DC 12V 24V 16 in 16 Out RS485 Remote Switch PLC IO Expansion Board Modbus RTU Multifunctional Convenience Module

$15.77$23.54

5% off
Free shipNoise monitoring sound pressure detection module 30-130dB 31.5-8kHz sound sensor module RS485 interface Modbus protocol Free shipNoise monitoring sound pressure detection module 30-130dB 31.5-8kHz sound sensor module RS485 interface Modbus protocol

Free shipNoise monitoring sound pressure detection module 30-130dB 31.5-8kHz sound sensor module RS485 interface Modbus protocol

$188.95 $198.90

Categories: Home & Garden, Home Storage & Organization

Buy Now
38% off
ELETECHSUP 8Ch Ds18B20 Rs485 Modbus Rtu Temperature Control Sensor Remote Digital Module PLC R4DCB08 ELETECHSUP 8Ch Ds18B20 Rs485 Modbus Rtu Temperature Control Sensor Remote Digital Module PLC R4DCB08

ELETECHSUP 8Ch Ds18B20 Rs485 Modbus Rtu Temperature Control Sensor Remote Digital Module PLC R4DCB08

$9.64 $15.55

Categories: Home & Garden, Home Storage & Organization

Buy Now
30% off
Digital Display Meter 0-10V 0-20MA 2-10V 4-20MA Analog Input Display Table Digital Display with RS485 Version Digital Display Meter 0-10V 0-20MA 2-10V 4-20MA Analog Input Display Table Digital Display with RS485 Version

Digital Display Meter 0-10V 0-20MA 2-10V 4-20MA Analog Input Display Table Digital Display with RS485 Version

$11.73 $16.76

Categories: Home & Garden, Home Storage & Organization

Buy Now
5% off
12V 1 Channel RS485 MODBUS RTU Serial Port Multifunctional Relay Module PLC Controller 12V 1 Channel RS485 MODBUS RTU Serial Port Multifunctional Relay Module PLC Controller

12V 1 Channel RS485 MODBUS RTU Serial Port Multifunctional Relay Module PLC Controller

$70.18 $73.87

Categories: Home & Garden, Home Storage & Organization

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5% off
RS485 Modbus RTU temperature and humidity sensor indoor and outdoor room, computer room, farm temperature and humidity monitorin RS485 Modbus RTU temperature and humidity sensor indoor and outdoor room, computer room, farm temperature and humidity monitorin

RS485 Modbus RTU temperature and humidity sensor indoor and outdoor room, computer room, farm temperature and humidity monitorin

$102.34 $107.73

Categories: Home & Garden, Home Storage & Organization

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5% off
SM2138B Overflow Water Leakage RS485 Detection Transmitter Relay Water Immersion Sensor Switch Module SM2138B Overflow Water Leakage RS485 Detection Transmitter Relay Water Immersion Sensor Switch Module

SM2138B Overflow Water Leakage RS485 Detection Transmitter Relay Water Immersion Sensor Switch Module

$168.57 $177.44

Categories: Home & Garden, Home Storage & Organization

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49% off
TTL To RS485 Adapter 485 Serial Port UART Level Converter Module 3.3V 5V TTL To RS485 Adapter 485 Serial Port UART Level Converter Module 3.3V 5V

TTL To RS485 Adapter 485 Serial Port UART Level Converter Module 3.3V 5V

$0.93 $1.82

Categories: Home & Garden, Home Storage & Organization

Buy Now
6% off
Temperature Humidity Transmitter RS485 SHT20 Sensor Modbus RTU Acquisition Module Transducer High Precision Temperature Humidity Transmitter RS485 SHT20 Sensor Modbus RTU Acquisition Module Transducer High Precision

Temperature Humidity Transmitter RS485 SHT20 Sensor Modbus RTU Acquisition Module Transducer High Precision

$6.32 $6.77

Categories: Home & Garden, Home Storage & Organization

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6% off
Industrial USB to RS485 RS232 Converter Upgrade Protection RS485 Converter Compatibility V2.0 Standard -485 Connector Industrial USB to RS485 RS232 Converter Upgrade Protection RS485 Converter Compatibility V2.0 Standard -485 Connector

Industrial USB to RS485 RS232 Converter Upgrade Protection RS485 Converter Compatibility V2.0 Standard -485 Connector

$4.38 $4.68

Categories: Home & Garden, Home Storage & Organization

Buy Now
Digital Display Meter 0-10V 0-20MA 2-10V 4-20MA Analog Input Display Table Digital Display with RS485 Version Digital Display Meter 0-10V 0-20MA 2-10V 4-20MA Analog Input Display Table Digital Display with RS485 Version

Digital Display Meter 0-10V 0-20MA 2-10V 4-20MA Analog Input Display Table Digital Display with RS485 Version

$16.29 $16.29

Categories: Home & Garden, Home Storage & Organization

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23% off
Digital Display Meter 0-10V 0-20MA 2-10V 4-20MA Analog Input Display Table Digital Display with RS485 Version Digital Display Meter 0-10V 0-20MA 2-10V 4-20MA Analog Input Display Table Digital Display with RS485 Version

Digital Display Meter 0-10V 0-20MA 2-10V 4-20MA Analog Input Display Table Digital Display with RS485 Version

$11.22 $14.57

Categories: Home & Garden, Home Storage & Organization

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42% off
TTL To RS485 Adapter 485 Serial Port UART Level Converter Module 3.3V 5V TTL To RS485 Adapter 485 Serial Port UART Level Converter Module 3.3V 5V

TTL To RS485 Adapter 485 Serial Port UART Level Converter Module 3.3V 5V

$0.95 $1.63

Categories: Home & Garden, Home Storage & Organization

Buy Now
40% off
USB 2.0 to RS485 -485 RS422 -422 DB9 COM Serial Port Device Converter Adapter Cable, PL2303 USB 2.0 to RS485 -485 RS422 -422 DB9 COM Serial Port Device Converter Adapter Cable, PL2303

USB 2.0 to RS485 -485 RS422 -422 DB9 COM Serial Port Device Converter Adapter Cable, PL2303

$7.31 $12.19

Categories: Home & Garden, Home Storage & Organization

Buy Now
5% off
12V 4-channel RS485 Bus Multi-function Delay Relay MODBUS and AT Command Control Remote Control Switch 12V 4-channel RS485 Bus Multi-function Delay Relay MODBUS and AT Command Control Remote Control Switch

12V 4-channel RS485 Bus Multi-function Delay Relay MODBUS and AT Command Control Remote Control Switch

$85.89 $90.41

Categories: Home & Garden, Home Storage & Organization

Buy Now
7% off
Digital Display Meter 0-10V 0-20MA 2-10V 4-20MA Analog Input Display Table Digital Display with RS485 Version Digital Display Meter 0-10V 0-20MA 2-10V 4-20MA Analog Input Display Table Digital Display with RS485 Version

Digital Display Meter 0-10V 0-20MA 2-10V 4-20MA Analog Input Display Table Digital Display with RS485 Version

$15.16 $16.40

Categories: Home & Garden, Home Storage & Organization

Buy Now
25% off
DC 12V 24V 16 in 16 Out RS485 Remote Switch PLC IO Expansion Board Modbus RTU Multifunctional Convenience Module DC 12V 24V 16 in 16 Out RS485 Remote Switch PLC IO Expansion Board Modbus RTU Multifunctional Convenience Module

DC 12V 24V 16 in 16 Out RS485 Remote Switch PLC IO Expansion Board Modbus RTU Multifunctional Convenience Module

$15.81 $21.08

Categories: Home & Garden, Home Storage & Organization

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30% off
RS485 Date Signal Power Arrester Anti Surge Protector Monitoring CCTV Camera Protection Device Thunder Preventer RS485 Date Signal Power Arrester Anti Surge Protector Monitoring CCTV Camera Protection Device Thunder Preventer

RS485 Date Signal Power Arrester Anti Surge Protector Monitoring CCTV Camera Protection Device Thunder Preventer

$6.56 $9.37

Categories: Home & Garden, Home Storage & Organization

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40% off
Digital Display Meter 0-10V 0-20MA 2-10V 4-20MA Analog Input Display Table Digital Display with RS485 Version Digital Display Meter 0-10V 0-20MA 2-10V 4-20MA Analog Input Display Table Digital Display with RS485 Version

Digital Display Meter 0-10V 0-20MA 2-10V 4-20MA Analog Input Display Table Digital Display with RS485 Version

$11.12 $18.53

Categories: Home & Garden, Home Storage & Organization

Buy Now
USB 2.0 to RS485 -485 RS422 -422 DB9 COM Serial Port Device Converter Adapter Cable, PL2303 USB 2.0 to RS485 -485 RS422 -422 DB9 COM Serial Port Device Converter Adapter Cable, PL2303

USB 2.0 to RS485 -485 RS422 -422 DB9 COM Serial Port Device Converter Adapter Cable, PL2303

$8.70 $8.70

Categories: Home & Garden, Home Storage & Organization

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40% off
USB 2.0 to RS485 -485 RS422 -422 DB9 COM Serial Port Device Converter Adapter Cable, PL2303 USB 2.0 to RS485 -485 RS422 -422 DB9 COM Serial Port Device Converter Adapter Cable, PL2303

USB 2.0 to RS485 -485 RS422 -422 DB9 COM Serial Port Device Converter Adapter Cable, PL2303

$7.44 $12.40

Categories: Home & Garden, Home Storage & Organization

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40% off
JK 485 Converter for JK RS485 Adapter Module JK 485 Converter for JK RS485 Adapter Module

JK 485 Converter for JK RS485 Adapter Module

$7.09 $11.81

Categories: Home & Garden, Home Storage & Organization

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5% off
Temperature and Humidity Transmitter Modbus Acquisition and Monitoring Industrial-grade High-precision Standard Rail RS485 Temperature and Humidity Transmitter Modbus Acquisition and Monitoring Industrial-grade High-precision Standard Rail RS485

Temperature and Humidity Transmitter Modbus Acquisition and Monitoring Industrial-grade High-precision Standard Rail RS485

$90.31 $95.06

Categories: Home & Garden, Home Storage & Organization

Buy Now
54% off
USB 2.0 to RS485 RS-485 RS422 RS-422 DB9 COM Serial Port Device Converter Adapter Cable, Prolific PL2303 USB 2.0 to RS485 RS-485 RS422 RS-422 DB9 COM Serial Port Device Converter Adapter Cable, Prolific PL2303

USB 2.0 to RS485 RS-485 RS422 RS-422 DB9 COM Serial Port Device Converter Adapter Cable, Prolific PL2303

$7.83 $17.02

Categories: Home & Garden, Home Storage & Organization

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34% off
Digital Display Meter 0-10V 0-20MA 2-10V 4-20MA Analog Input Display Table Digital Display with RS485 Version Digital Display Meter 0-10V 0-20MA 2-10V 4-20MA Analog Input Display Table Digital Display with RS485 Version

Digital Display Meter 0-10V 0-20MA 2-10V 4-20MA Analog Input Display Table Digital Display with RS485 Version

$11.21 $16.98

Categories: Home & Garden, Home Storage & Organization

Buy Now
28% off
Digital Display Meter 0-10V 0-20MA 2-10V 4-20MA Analog Input Display Table Digital Display with RS485 Version Digital Display Meter 0-10V 0-20MA 2-10V 4-20MA Analog Input Display Table Digital Display with RS485 Version

Digital Display Meter 0-10V 0-20MA 2-10V 4-20MA Analog Input Display Table Digital Display with RS485 Version

$10.69 $14.85

Categories: Home & Garden, Home Storage & Organization

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40% off
USB 2.0 to RS485 -485 RS422 -422 DB9 COM Serial Port Device Converter Adapter Cable, PL2303 USB 2.0 to RS485 -485 RS422 -422 DB9 COM Serial Port Device Converter Adapter Cable, PL2303

USB 2.0 to RS485 -485 RS422 -422 DB9 COM Serial Port Device Converter Adapter Cable, PL2303

$7.31 $12.19

Categories: Home & Garden, Home Storage & Organization

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33% off
DC 12V 24V 16 in 16 Out RS485 Remote Switch PLC IO Expansion Board Modbus RTU Multifunctional Convenience Module DC 12V 24V 16 in 16 Out RS485 Remote Switch PLC IO Expansion Board Modbus RTU Multifunctional Convenience Module

DC 12V 24V 16 in 16 Out RS485 Remote Switch PLC IO Expansion Board Modbus RTU Multifunctional Convenience Module

$15.77 $23.54

Categories: Home & Garden, Home Storage & Organization

Buy Now