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33% off
24CH RS485 ON/OFF Momentary Delay Latch 12V 24V Relay Module Uart Modbus PLC IO Board N4DOJ24 for Motor LED Smart Home Diy 24CH RS485 ON/OFF Momentary Delay Latch 12V 24V Relay Module Uart Modbus PLC IO Board N4DOJ24 for Motor LED Smart Home Diy

24CH RS485 ON/OFF Momentary Delay Latch 12V 24V Relay Module Uart Modbus PLC IO Board N4DOJ24 for Motor LED Smart Home Diy

$263.31$393.00

32% off
USB-MPI Programming Cable USB Adapter For Siemens S7 200/300/400 RS485 Data Line Communication Line PLC Cables Instrument Parts USB-MPI Programming Cable USB Adapter For Siemens S7 200/300/400 RS485 Data Line Communication Line PLC Cables Instrument Parts

USB-MPI Programming Cable USB Adapter For Siemens S7 200/300/400 RS485 Data Line Communication Line PLC Cables Instrument Parts

$211.45$310.95

30% off
ESP32 RS485 Wifi Programmable Relay Module 2.4G Wireless Control Smart Switch Expansion Board For Diy Mqtt Http TCP IP IOT ESP32 RS485 Wifi Programmable Relay Module 2.4G Wireless Control Smart Switch Expansion Board For Diy Mqtt Http TCP IP IOT

ESP32 RS485 Wifi Programmable Relay Module 2.4G Wireless Control Smart Switch Expansion Board For Diy Mqtt Http TCP IP IOT

$169.40$242.00

3% off
CHINT DDSU666 DTSU666 Single Phase DIN Rail Modbus RS485 Bi-directional Smart Energy Power KWH Electric Current Meter Wattmeter CHINT DDSU666 DTSU666 Single Phase DIN Rail Modbus RS485 Bi-directional Smart Energy Power KWH Electric Current Meter Wattmeter

CHINT DDSU666 DTSU666 Single Phase DIN Rail Modbus RS485 Bi-directional Smart Energy Power KWH Electric Current Meter Wattmeter

$172.42$179.38

22 sold
3% off
CHINT DDSU666 DTSU666 80A Single Three Phase MODBUS RS485 Bi-directional Smart Energy Power KWH Electric Solar Meter Wattmeter CHINT DDSU666 DTSU666 80A Single Three Phase MODBUS RS485 Bi-directional Smart Energy Power KWH Electric Solar Meter Wattmeter

CHINT DDSU666 DTSU666 80A Single Three Phase MODBUS RS485 Bi-directional Smart Energy Power KWH Electric Solar Meter Wattmeter

$172.58$179.48

8 sold
5% off
16DI/16DO/8DI-8DO/4DI-12DO/12DI-4DO Modbus Rtu Digital IO RS485 2.54mm Pin Core Board for Arduino ESP32 ESP8266 PLC Smart Home 16DI/16DO/8DI-8DO/4DI-12DO/12DI-4DO Modbus Rtu Digital IO RS485 2.54mm Pin Core Board for Arduino ESP32 ESP8266 PLC Smart Home

16DI/16DO/8DI-8DO/4DI-12DO/12DI-4DO Modbus Rtu Digital IO RS485 2.54mm Pin Core Board for Arduino ESP32 ESP8266 PLC Smart Home

$200.09$208.77

7% off
T73 Relay Pluggable Module RS485 Modbus Rtu Remote IO Momentary Self-locking Interlock Delay Switch for Smart Home Diy T73 Relay Pluggable Module RS485 Modbus Rtu Remote IO Momentary Self-locking Interlock Delay Switch for Smart Home Diy

T73 Relay Pluggable Module RS485 Modbus Rtu Remote IO Momentary Self-locking Interlock Delay Switch for Smart Home Diy

$19.01$20.50

4% off
433M RS485 Wireless Transceiver Module DTU UART RS232 485 422 RF Smart Home 433M RS485 Wireless Transceiver Module DTU UART RS232 485 422 RF Smart Home

433M RS485 Wireless Transceiver Module DTU UART RS232 485 422 RF Smart Home

$149.85$157.47

Compatible with Siemens 1200 PLC signal board CB1241 RS485 communication module SB1221/1222/1223/1231/1232/1234 Compatible with Siemens 1200 PLC signal board CB1241 RS485 communication module SB1221/1222/1223/1231/1232/1234

Compatible with Siemens 1200 PLC signal board CB1241 RS485 communication module SB1221/1222/1223/1231/1232/1234

$154.20$154.20

14 sold
6ES7972-0CB20-0XA0 PC Adapter USB Cable For Siemens S7-200/300/400 RS485 Profibus MPI/PPI 6ES7972-0CB20-0XA0 PC Adapter USB Cable For Siemens S7-200/300/400 RS485 Profibus MPI/PPI

6ES7972-0CB20-0XA0 PC Adapter USB Cable For Siemens S7-200/300/400 RS485 Profibus MPI/PPI

$20.34$20.34

USB-MPI PPI Programming Cable For Siemens S7-200 300 AMX-200 PLC Adapter 6ES7972-0CB20-0XA0 Simatic RS485 WIN7/XP Microwin Step7 USB-MPI PPI Programming Cable For Siemens S7-200 300 AMX-200 PLC Adapter 6ES7972-0CB20-0XA0 Simatic RS485 WIN7/XP Microwin Step7

USB-MPI PPI Programming Cable For Siemens S7-200 300 AMX-200 PLC Adapter 6ES7972-0CB20-0XA0 Simatic RS485 WIN7/XP Microwin Step7

$184.97$184.97

97 sold
7% off
N4D3E16 Upgraded Version 16DI-16DO Multifunction RS485 Two-way Remote Control Module Modbus RTU PLC Expanding Board Smart Home N4D3E16 Upgraded Version 16DI-16DO Multifunction RS485 Two-way Remote Control Module Modbus RTU PLC Expanding Board Smart Home

N4D3E16 Upgraded Version 16DI-16DO Multifunction RS485 Two-way Remote Control Module Modbus RTU PLC Expanding Board Smart Home

$134.74$145.35

6% off
DC 12V 24V 8CH Wifi Relay 30Pin ESP32 Programmable Expansion Board Modbus RS485 IO Module for Arduino IOT Network Smart Switch DC 12V 24V 8CH Wifi Relay 30Pin ESP32 Programmable Expansion Board Modbus RS485 IO Module for Arduino IOT Network Smart Switch

DC 12V 24V 8CH Wifi Relay 30Pin ESP32 Programmable Expansion Board Modbus RS485 IO Module for Arduino IOT Network Smart Switch

$24.21$26.01

7% off
DC 12V 24V 8CH Wifi Relay 30Pin ESP32 Programmable Expansion Board Modbus RS485 IO Module for Arduino IOT Network Smart Switch DC 12V 24V 8CH Wifi Relay 30Pin ESP32 Programmable Expansion Board Modbus RS485 IO Module for Arduino IOT Network Smart Switch

DC 12V 24V 8CH Wifi Relay 30Pin ESP32 Programmable Expansion Board Modbus RS485 IO Module for Arduino IOT Network Smart Switch

$184.89$199.21

5% off
UHF Radio Modem 2Mbps Air Data Rate RS485 Fast Transceiver 2.4G 20DBM Quasi-Full-Duplex UART DTU Module For Smart Meter Scale UHF Radio Modem 2Mbps Air Data Rate RS485 Fast Transceiver 2.4G 20DBM Quasi-Full-Duplex UART DTU Module For Smart Meter Scale

UHF Radio Modem 2Mbps Air Data Rate RS485 Fast Transceiver 2.4G 20DBM Quasi-Full-Duplex UART DTU Module For Smart Meter Scale

$168.99$179.71

4 sold
26% off
433-458MHz UHF DTU RS485 Bus RF Serial Port UART Transceiver Module for Smart Meter PTZ Camera PLC Modbus 433-458MHz UHF DTU RS485 Bus RF Serial Port UART Transceiver Module for Smart Meter PTZ Camera PLC Modbus

433-458MHz UHF DTU RS485 Bus RF Serial Port UART Transceiver Module for Smart Meter PTZ Camera PLC Modbus

$174.63$235.98

WIFI-S7-200 Wireless Programming Adapter For Siemens S7-200 PLC Cable RS485 Download Line Replace USB-PPI WIFI-S7-200 Wireless Programming Adapter For Siemens S7-200 PLC Cable RS485 Download Line Replace USB-PPI

WIFI-S7-200 Wireless Programming Adapter For Siemens S7-200 PLC Cable RS485 Download Line Replace USB-PPI

$23.67$23.67

5 Pcs DD2424SA_12V 12W 2-12V 5V to 12V DC-DC Step-up Converter Boost Module Power Supply Board For Smart Home PLC RS485 5 Pcs DD2424SA_12V 12W 2-12V 5V to 12V DC-DC Step-up Converter Boost Module Power Supply Board For Smart Home PLC RS485

5 Pcs DD2424SA_12V 12W 2-12V 5V to 12V DC-DC Step-up Converter Boost Module Power Supply Board For Smart Home PLC RS485

$140.84$140.84

6% off
MCU Master-Slave Networking Transceiver UART RS232 TTL to RS485 Automatic Converter for Modbus Profibus CAN LonWorks Smart Home MCU Master-Slave Networking Transceiver UART RS232 TTL to RS485 Automatic Converter for Modbus Profibus CAN LonWorks Smart Home

MCU Master-Slave Networking Transceiver UART RS232 TTL to RS485 Automatic Converter for Modbus Profibus CAN LonWorks Smart Home

$181.50$194.50

1 sold
7% off
T73 Relay Pluggable Module RS485 Modbus Rtu Remote IO Momentary Self-locking Interlock Delay Switch for Smart Home Diy T73 Relay Pluggable Module RS485 Modbus Rtu Remote IO Momentary Self-locking Interlock Delay Switch for Smart Home Diy

T73 Relay Pluggable Module RS485 Modbus Rtu Remote IO Momentary Self-locking Interlock Delay Switch for Smart Home Diy

$129.27$139.29

31% off
WIFI/ZIGBEE/RS485 Smart Winter Thermostat Heating for NC/NO Valve,Dry Contact Boiler,16A Electric Heat Works Alexa Google Yandex WIFI/ZIGBEE/RS485 Smart Winter Thermostat Heating for NC/NO Valve,Dry Contact Boiler,16A Electric Heat Works Alexa Google Yandex

WIFI/ZIGBEE/RS485 Smart Winter Thermostat Heating for NC/NO Valve,Dry Contact Boiler,16A Electric Heat Works Alexa Google Yandex

$160.08$232.00

7 sold
7% off
ESP32 RS485 Wifi Programmable Relay Module 2.4G Wireless Control Smart Switch Expansion Board For Diy Mqtt Http TCP IP IOT ESP32 RS485 Wifi Programmable Relay Module 2.4G Wireless Control Smart Switch Expansion Board For Diy Mqtt Http TCP IP IOT

ESP32 RS485 Wifi Programmable Relay Module 2.4G Wireless Control Smart Switch Expansion Board For Diy Mqtt Http TCP IP IOT

$186.41$200.90

45% off
0-10V Modulating Type/ON&OFF Valve Thermostat Fan Coil Unit Cooling Heat Smart WIFI ZIGBEE RS485 Remote Control 12V24V110V220V 0-10V Modulating Type/ON&OFF Valve Thermostat Fan Coil Unit Cooling Heat Smart WIFI ZIGBEE RS485 Remote Control 12V24V110V220V

0-10V Modulating Type/ON&OFF Valve Thermostat Fan Coil Unit Cooling Heat Smart WIFI ZIGBEE RS485 Remote Control 12V24V110V220V

$175.05$318.27

23 sold
4% off
N4D3E16 Upgraded Version 16DI-16DO Multifunction RS485 Two-way Remote Control Module Modbus RTU PLC Expanding Board Smart DIY N4D3E16 Upgraded Version 16DI-16DO Multifunction RS485 Two-way Remote Control Module Modbus RTU PLC Expanding Board Smart DIY

N4D3E16 Upgraded Version 16DI-16DO Multifunction RS485 Two-way Remote Control Module Modbus RTU PLC Expanding Board Smart DIY

$141.20$147.71

3% off
CHINT DDSU666 DTSU666 80A Single Three Phase MODBUS RS485 Bi-directional Smart Energy Power KWH Electric Solar Meter Wattmeter CHINT DDSU666 DTSU666 80A Single Three Phase MODBUS RS485 Bi-directional Smart Energy Power KWH Electric Solar Meter Wattmeter

CHINT DDSU666 DTSU666 80A Single Three Phase MODBUS RS485 Bi-directional Smart Energy Power KWH Electric Solar Meter Wattmeter

$173.55$180.51

6 sold
6% off
T73 Relay Pluggable Module RS485 Modbus Rtu Remote IO Momentary Self-locking Interlock Delay Switch for Smart Home Diy T73 Relay Pluggable Module RS485 Modbus Rtu Remote IO Momentary Self-locking Interlock Delay Switch for Smart Home Diy

T73 Relay Pluggable Module RS485 Modbus Rtu Remote IO Momentary Self-locking Interlock Delay Switch for Smart Home Diy

$121.92$130.77

1 sold
32% off
AMSAMOTION USB Programming Cable for Siemens S7-200/300/400 PLC RS485 Profibus MPI PPI Communication Replace 6ES7972-0CB20-0XA0 AMSAMOTION USB Programming Cable for Siemens S7-200/300/400 PLC RS485 Profibus MPI PPI Communication Replace 6ES7972-0CB20-0XA0

AMSAMOTION USB Programming Cable for Siemens S7-200/300/400 PLC RS485 Profibus MPI PPI Communication Replace 6ES7972-0CB20-0XA0

$23.64$34.76

4 sold
3% off
CHINT DDSU666 DTSU666 80A Single Three Phase MODBUS RS485 Bi-directional Smart Energy Power KWH Electric Solar Meter Wattmeter CHINT DDSU666 DTSU666 80A Single Three Phase MODBUS RS485 Bi-directional Smart Energy Power KWH Electric Solar Meter Wattmeter

CHINT DDSU666 DTSU666 80A Single Three Phase MODBUS RS485 Bi-directional Smart Energy Power KWH Electric Solar Meter Wattmeter

$23.94$24.90

13 sold
15% off
T73 Relay Pluggable Module RS485 Modbus Rtu Remote IO Momentary Self-locking Interlock Delay Switch for Smart Home Diy T73 Relay Pluggable Module RS485 Modbus Rtu Remote IO Momentary Self-locking Interlock Delay Switch for Smart Home Diy

T73 Relay Pluggable Module RS485 Modbus Rtu Remote IO Momentary Self-locking Interlock Delay Switch for Smart Home Diy

$114.75$135.00

7% off
ESP32 RS485 Wifi Programmable Relay Module 2.4G Wireless Control Smart Switch Expansion Board For Diy Mqtt Http TCP IP IOT ESP32 RS485 Wifi Programmable Relay Module 2.4G Wireless Control Smart Switch Expansion Board For Diy Mqtt Http TCP IP IOT

ESP32 RS485 Wifi Programmable Relay Module 2.4G Wireless Control Smart Switch Expansion Board For Diy Mqtt Http TCP IP IOT

$25.10$27.00

5% off
6ES7972-0CB20-0XA0 PC Adapter USB Cable For Siemens S7-200/300/400 RS485 Profibus MPI PPI DB9-pin 6ES7972-0CB20-0XA0 PC Adapter USB Cable For Siemens S7-200/300/400 RS485 Profibus MPI PPI DB9-pin

6ES7972-0CB20-0XA0 PC Adapter USB Cable For Siemens S7-200/300/400 RS485 Profibus MPI PPI DB9-pin

$181.81$191.38

14 sold
DC 12V 2 CH RS485 Relay Board UART Serial port Switch Module Modbus AT command Control For PLC Smart Home DC 12V 2 CH RS485 Relay Board UART Serial port Switch Module Modbus AT command Control For PLC Smart Home

DC 12V 2 CH RS485 Relay Board UART Serial port Switch Module Modbus AT command Control For PLC Smart Home

$118.11$118.11

7% off
T73 Relay Pluggable Module RS485 Modbus Rtu Remote IO Momentary Self-locking Interlock Delay Switch for Smart Home Diy T73 Relay Pluggable Module RS485 Modbus Rtu Remote IO Momentary Self-locking Interlock Delay Switch for Smart Home Diy

T73 Relay Pluggable Module RS485 Modbus Rtu Remote IO Momentary Self-locking Interlock Delay Switch for Smart Home Diy

$125.50$135.10

7% off
N4D3E16 Upgraded Version 16DI-16DO Multifunction RS485 Two-way Remote Control Module Modbus RTU PLC Expanding Board Smart Home N4D3E16 Upgraded Version 16DI-16DO Multifunction RS485 Two-way Remote Control Module Modbus RTU PLC Expanding Board Smart Home

N4D3E16 Upgraded Version 16DI-16DO Multifunction RS485 Two-way Remote Control Module Modbus RTU PLC Expanding Board Smart Home

$135.50$146.20

7% off
ESP32 RS485 Wifi Programmable Relay Module 2.4G Wireless Control Smart Switch Expansion Board For Diy Mqtt Http TCP IP IOT ESP32 RS485 Wifi Programmable Relay Module 2.4G Wireless Control Smart Switch Expansion Board For Diy Mqtt Http TCP IP IOT

ESP32 RS485 Wifi Programmable Relay Module 2.4G Wireless Control Smart Switch Expansion Board For Diy Mqtt Http TCP IP IOT

$184.46$198.74

3% off
CHINT DDSU666 DTSU666 Single Phase DIN Rail Modbus RS485 Bi-directional Smart Energy Power KWH Electric Current Meter Wattmeter CHINT DDSU666 DTSU666 Single Phase DIN Rail Modbus RS485 Bi-directional Smart Energy Power KWH Electric Current Meter Wattmeter

CHINT DDSU666 DTSU666 Single Phase DIN Rail Modbus RS485 Bi-directional Smart Energy Power KWH Electric Current Meter Wattmeter

$174.02$180.98

8 sold
33% off
24CH RS485 ON/OFF Momentary Delay Latch 12V 24V Relay Module Uart Modbus PLC IO Board N4DOJ24 for Motor LED Smart Home Diy 24CH RS485 ON/OFF Momentary Delay Latch 12V 24V Relay Module Uart Modbus PLC IO Board N4DOJ24 for Motor LED Smart Home Diy

24CH RS485 ON/OFF Momentary Delay Latch 12V 24V Relay Module Uart Modbus PLC IO Board N4DOJ24 for Motor LED Smart Home Diy

$263.31 $393.00

Categories: Home Improvement, Electrical Equipment & Supplies

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32% off
USB-MPI Programming Cable USB Adapter For Siemens S7 200/300/400 RS485 Data Line Communication Line PLC Cables Instrument Parts USB-MPI Programming Cable USB Adapter For Siemens S7 200/300/400 RS485 Data Line Communication Line PLC Cables Instrument Parts

USB-MPI Programming Cable USB Adapter For Siemens S7 200/300/400 RS485 Data Line Communication Line PLC Cables Instrument Parts

$211.45 $310.95

Categories: Home Improvement, Electrical Equipment & Supplies

Buy Now
30% off
ESP32 RS485 Wifi Programmable Relay Module 2.4G Wireless Control Smart Switch Expansion Board For Diy Mqtt Http TCP IP IOT ESP32 RS485 Wifi Programmable Relay Module 2.4G Wireless Control Smart Switch Expansion Board For Diy Mqtt Http TCP IP IOT

ESP32 RS485 Wifi Programmable Relay Module 2.4G Wireless Control Smart Switch Expansion Board For Diy Mqtt Http TCP IP IOT

$169.40 $242.00

Categories: Home Improvement, Electrical Equipment & Supplies

Buy Now
3% off
CHINT DDSU666 DTSU666 Single Phase DIN Rail Modbus RS485 Bi-directional Smart Energy Power KWH Electric Current Meter Wattmeter CHINT DDSU666 DTSU666 Single Phase DIN Rail Modbus RS485 Bi-directional Smart Energy Power KWH Electric Current Meter Wattmeter

CHINT DDSU666 DTSU666 Single Phase DIN Rail Modbus RS485 Bi-directional Smart Energy Power KWH Electric Current Meter Wattmeter

$172.42 $179.38

22 sold

Categories: Home Improvement, Electrical Equipment & Supplies

Buy Now
3% off
CHINT DDSU666 DTSU666 80A Single Three Phase MODBUS RS485 Bi-directional Smart Energy Power KWH Electric Solar Meter Wattmeter CHINT DDSU666 DTSU666 80A Single Three Phase MODBUS RS485 Bi-directional Smart Energy Power KWH Electric Solar Meter Wattmeter

CHINT DDSU666 DTSU666 80A Single Three Phase MODBUS RS485 Bi-directional Smart Energy Power KWH Electric Solar Meter Wattmeter

$172.58 $179.48

8 sold

Categories: Home Improvement, Electrical Equipment & Supplies

Buy Now
5% off
16DI/16DO/8DI-8DO/4DI-12DO/12DI-4DO Modbus Rtu Digital IO RS485 2.54mm Pin Core Board for Arduino ESP32 ESP8266 PLC Smart Home 16DI/16DO/8DI-8DO/4DI-12DO/12DI-4DO Modbus Rtu Digital IO RS485 2.54mm Pin Core Board for Arduino ESP32 ESP8266 PLC Smart Home

16DI/16DO/8DI-8DO/4DI-12DO/12DI-4DO Modbus Rtu Digital IO RS485 2.54mm Pin Core Board for Arduino ESP32 ESP8266 PLC Smart Home

$200.09 $208.77

Categories: Home Improvement, Electrical Equipment & Supplies

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7% off
T73 Relay Pluggable Module RS485 Modbus Rtu Remote IO Momentary Self-locking Interlock Delay Switch for Smart Home Diy T73 Relay Pluggable Module RS485 Modbus Rtu Remote IO Momentary Self-locking Interlock Delay Switch for Smart Home Diy

T73 Relay Pluggable Module RS485 Modbus Rtu Remote IO Momentary Self-locking Interlock Delay Switch for Smart Home Diy

$19.01 $20.50

Categories: Home Improvement, Electrical Equipment & Supplies

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4% off
433M RS485 Wireless Transceiver Module DTU UART RS232 485 422 RF Smart Home 433M RS485 Wireless Transceiver Module DTU UART RS232 485 422 RF Smart Home

433M RS485 Wireless Transceiver Module DTU UART RS232 485 422 RF Smart Home

$149.85 $157.47

Categories: Home Improvement, Electrical Equipment & Supplies

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Compatible with Siemens 1200 PLC signal board CB1241 RS485 communication module SB1221/1222/1223/1231/1232/1234 Compatible with Siemens 1200 PLC signal board CB1241 RS485 communication module SB1221/1222/1223/1231/1232/1234

Compatible with Siemens 1200 PLC signal board CB1241 RS485 communication module SB1221/1222/1223/1231/1232/1234

$154.20 $154.20

14 sold

Categories: Home Improvement, Electrical Equipment & Supplies

Buy Now
6ES7972-0CB20-0XA0 PC Adapter USB Cable For Siemens S7-200/300/400 RS485 Profibus MPI/PPI 6ES7972-0CB20-0XA0 PC Adapter USB Cable For Siemens S7-200/300/400 RS485 Profibus MPI/PPI

6ES7972-0CB20-0XA0 PC Adapter USB Cable For Siemens S7-200/300/400 RS485 Profibus MPI/PPI

$20.34 $20.34

Categories: Home Improvement, Electrical Equipment & Supplies

Buy Now
USB-MPI PPI Programming Cable For Siemens S7-200 300 AMX-200 PLC Adapter 6ES7972-0CB20-0XA0 Simatic RS485 WIN7/XP Microwin Step7 USB-MPI PPI Programming Cable For Siemens S7-200 300 AMX-200 PLC Adapter 6ES7972-0CB20-0XA0 Simatic RS485 WIN7/XP Microwin Step7

USB-MPI PPI Programming Cable For Siemens S7-200 300 AMX-200 PLC Adapter 6ES7972-0CB20-0XA0 Simatic RS485 WIN7/XP Microwin Step7

$184.97 $184.97

97 sold

Categories: Home Improvement, Electrical Equipment & Supplies

Buy Now
7% off
N4D3E16 Upgraded Version 16DI-16DO Multifunction RS485 Two-way Remote Control Module Modbus RTU PLC Expanding Board Smart Home N4D3E16 Upgraded Version 16DI-16DO Multifunction RS485 Two-way Remote Control Module Modbus RTU PLC Expanding Board Smart Home

N4D3E16 Upgraded Version 16DI-16DO Multifunction RS485 Two-way Remote Control Module Modbus RTU PLC Expanding Board Smart Home

$134.74 $145.35

Categories: Home Improvement, Electrical Equipment & Supplies

Buy Now
6% off
DC 12V 24V 8CH Wifi Relay 30Pin ESP32 Programmable Expansion Board Modbus RS485 IO Module for Arduino IOT Network Smart Switch DC 12V 24V 8CH Wifi Relay 30Pin ESP32 Programmable Expansion Board Modbus RS485 IO Module for Arduino IOT Network Smart Switch

DC 12V 24V 8CH Wifi Relay 30Pin ESP32 Programmable Expansion Board Modbus RS485 IO Module for Arduino IOT Network Smart Switch

$24.21 $26.01

Categories: Home Improvement, Electrical Equipment & Supplies

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7% off
DC 12V 24V 8CH Wifi Relay 30Pin ESP32 Programmable Expansion Board Modbus RS485 IO Module for Arduino IOT Network Smart Switch DC 12V 24V 8CH Wifi Relay 30Pin ESP32 Programmable Expansion Board Modbus RS485 IO Module for Arduino IOT Network Smart Switch

DC 12V 24V 8CH Wifi Relay 30Pin ESP32 Programmable Expansion Board Modbus RS485 IO Module for Arduino IOT Network Smart Switch

$184.89 $199.21

Categories: Home Improvement, Electrical Equipment & Supplies

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5% off
UHF Radio Modem 2Mbps Air Data Rate RS485 Fast Transceiver 2.4G 20DBM Quasi-Full-Duplex UART DTU Module For Smart Meter Scale UHF Radio Modem 2Mbps Air Data Rate RS485 Fast Transceiver 2.4G 20DBM Quasi-Full-Duplex UART DTU Module For Smart Meter Scale

UHF Radio Modem 2Mbps Air Data Rate RS485 Fast Transceiver 2.4G 20DBM Quasi-Full-Duplex UART DTU Module For Smart Meter Scale

$168.99 $179.71

4 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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26% off
433-458MHz UHF DTU RS485 Bus RF Serial Port UART Transceiver Module for Smart Meter PTZ Camera PLC Modbus 433-458MHz UHF DTU RS485 Bus RF Serial Port UART Transceiver Module for Smart Meter PTZ Camera PLC Modbus

433-458MHz UHF DTU RS485 Bus RF Serial Port UART Transceiver Module for Smart Meter PTZ Camera PLC Modbus

$174.63 $235.98

Categories: Home Improvement, Electrical Equipment & Supplies

Buy Now
WIFI-S7-200 Wireless Programming Adapter For Siemens S7-200 PLC Cable RS485 Download Line Replace USB-PPI WIFI-S7-200 Wireless Programming Adapter For Siemens S7-200 PLC Cable RS485 Download Line Replace USB-PPI

WIFI-S7-200 Wireless Programming Adapter For Siemens S7-200 PLC Cable RS485 Download Line Replace USB-PPI

$23.67 $23.67

Categories: Home Improvement, Electrical Equipment & Supplies

Buy Now
5 Pcs DD2424SA_12V 12W 2-12V 5V to 12V DC-DC Step-up Converter Boost Module Power Supply Board For Smart Home PLC RS485 5 Pcs DD2424SA_12V 12W 2-12V 5V to 12V DC-DC Step-up Converter Boost Module Power Supply Board For Smart Home PLC RS485

5 Pcs DD2424SA_12V 12W 2-12V 5V to 12V DC-DC Step-up Converter Boost Module Power Supply Board For Smart Home PLC RS485

$140.84 $140.84

Categories: Home Improvement, Electrical Equipment & Supplies

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6% off
MCU Master-Slave Networking Transceiver UART RS232 TTL to RS485 Automatic Converter for Modbus Profibus CAN LonWorks Smart Home MCU Master-Slave Networking Transceiver UART RS232 TTL to RS485 Automatic Converter for Modbus Profibus CAN LonWorks Smart Home

MCU Master-Slave Networking Transceiver UART RS232 TTL to RS485 Automatic Converter for Modbus Profibus CAN LonWorks Smart Home

$181.50 $194.50

1 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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7% off
T73 Relay Pluggable Module RS485 Modbus Rtu Remote IO Momentary Self-locking Interlock Delay Switch for Smart Home Diy T73 Relay Pluggable Module RS485 Modbus Rtu Remote IO Momentary Self-locking Interlock Delay Switch for Smart Home Diy

T73 Relay Pluggable Module RS485 Modbus Rtu Remote IO Momentary Self-locking Interlock Delay Switch for Smart Home Diy

$129.27 $139.29

Categories: Home Improvement, Electrical Equipment & Supplies

Buy Now
31% off
WIFI/ZIGBEE/RS485 Smart Winter Thermostat Heating for NC/NO Valve,Dry Contact Boiler,16A Electric Heat Works Alexa Google Yandex WIFI/ZIGBEE/RS485 Smart Winter Thermostat Heating for NC/NO Valve,Dry Contact Boiler,16A Electric Heat Works Alexa Google Yandex

WIFI/ZIGBEE/RS485 Smart Winter Thermostat Heating for NC/NO Valve,Dry Contact Boiler,16A Electric Heat Works Alexa Google Yandex

$160.08 $232.00

7 sold

Categories: Home Improvement, Electrical Equipment & Supplies

Buy Now
7% off
ESP32 RS485 Wifi Programmable Relay Module 2.4G Wireless Control Smart Switch Expansion Board For Diy Mqtt Http TCP IP IOT ESP32 RS485 Wifi Programmable Relay Module 2.4G Wireless Control Smart Switch Expansion Board For Diy Mqtt Http TCP IP IOT

ESP32 RS485 Wifi Programmable Relay Module 2.4G Wireless Control Smart Switch Expansion Board For Diy Mqtt Http TCP IP IOT

$186.41 $200.90

Categories: Home Improvement, Electrical Equipment & Supplies

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45% off
0-10V Modulating Type/ON&OFF Valve Thermostat Fan Coil Unit Cooling Heat Smart WIFI ZIGBEE RS485 Remote Control 12V24V110V220V 0-10V Modulating Type/ON&OFF Valve Thermostat Fan Coil Unit Cooling Heat Smart WIFI ZIGBEE RS485 Remote Control 12V24V110V220V

0-10V Modulating Type/ON&OFF Valve Thermostat Fan Coil Unit Cooling Heat Smart WIFI ZIGBEE RS485 Remote Control 12V24V110V220V

$175.05 $318.27

23 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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4% off
N4D3E16 Upgraded Version 16DI-16DO Multifunction RS485 Two-way Remote Control Module Modbus RTU PLC Expanding Board Smart DIY N4D3E16 Upgraded Version 16DI-16DO Multifunction RS485 Two-way Remote Control Module Modbus RTU PLC Expanding Board Smart DIY

N4D3E16 Upgraded Version 16DI-16DO Multifunction RS485 Two-way Remote Control Module Modbus RTU PLC Expanding Board Smart DIY

$141.20 $147.71

Categories: Home Improvement, Electrical Equipment & Supplies

Buy Now
3% off
CHINT DDSU666 DTSU666 80A Single Three Phase MODBUS RS485 Bi-directional Smart Energy Power KWH Electric Solar Meter Wattmeter CHINT DDSU666 DTSU666 80A Single Three Phase MODBUS RS485 Bi-directional Smart Energy Power KWH Electric Solar Meter Wattmeter

CHINT DDSU666 DTSU666 80A Single Three Phase MODBUS RS485 Bi-directional Smart Energy Power KWH Electric Solar Meter Wattmeter

$173.55 $180.51

6 sold

Categories: Home Improvement, Electrical Equipment & Supplies

Buy Now
6% off
T73 Relay Pluggable Module RS485 Modbus Rtu Remote IO Momentary Self-locking Interlock Delay Switch for Smart Home Diy T73 Relay Pluggable Module RS485 Modbus Rtu Remote IO Momentary Self-locking Interlock Delay Switch for Smart Home Diy

T73 Relay Pluggable Module RS485 Modbus Rtu Remote IO Momentary Self-locking Interlock Delay Switch for Smart Home Diy

$121.92 $130.77

1 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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