购买 2 Relay RS485 Arduino Modbus

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$53.04
9568, KBVF Digital Interface Module, Modbus, RS-232 & 485.
KB-Controls
$53.04
9568, KBVF Digital Interface Module, Modbus, RS-232 & 485.
KB-Controls
$133.99
$149.99
Startech.Com 4 Port PCI Express Pcie Serial Combo Card With Breakout Cable - 2 X RS232 2 X RS422 / RS485 - Dual Profile , TAA (PEX4S232485)
Amazon.com
Free shipping
折扣 10%
$133.99
$149.99
Startech.Com 4 Port PCI Express Pcie Serial Combo Card With Breakout Cable - 2 X RS232 2 X RS422 / RS485 - Dual Profile , TAA (PEX4S232485)
Amazon.com
Free shipping
$9.93
JESSINIE 2Pcs 1 Channel Switch Relay Module Modbus Rtu Switching Input Output Relays Board With Anti-Reverse Connection Protection RS485 TTL
Amazon.com
1
$9.93
JESSINIE 2Pcs 1 Channel Switch Relay Module Modbus Rtu Switching Input Output Relays Board With Anti-Reverse Connection Protection RS485 TTL
Amazon.com
1
$7.99
$8.99
5Pcs MAX485 Transceiver Module, Featuring Chip, Serves As A TTL UART Serial To RS485 Instrument Interface Module. RS-485 Communication Transceiver
Amazon.com
97
折扣 11%
$7.99
$8.99
5Pcs MAX485 Transceiver Module, Featuring Chip, Serves As A TTL UART Serial To RS485 Instrument Interface Module. RS-485 Communication Transceiver
Amazon.com
97
$25.99
2PCS Waveshare Industrial USB To RS485 Converter With Original FT232RL And SP485EEN Embedded Protection Circuits For Industrial Control Equipments And
Amazon.com
90
$25.99
2PCS Waveshare Industrial USB To RS485 Converter With Original FT232RL And SP485EEN Embedded Protection Circuits For Industrial Control Equipments And
Amazon.com
90
$19.62
Relay Module 30A High Power 2-Channel AC100V-250V DC 5V High Current High Low Level Trigger Switch Module
Amazon.com
80
$19.62
Relay Module 30A High Power 2-Channel AC100V-250V DC 5V High Current High Low Level Trigger Switch Module
Amazon.com
80
$2.69
5V 12V 24V 2-Channel Relay Module Shield For Arduino ARM PIC AVR DSP Electronic 5V 10A 2 Channel Relay M (24V)
Amazon.com
$2.69
5V 12V 24V 2-Channel Relay Module Shield For Arduino ARM PIC AVR DSP Electronic 5V 10A 2 Channel Relay M (24V)
Amazon.com
$117.84
Eletechsup 16 Channel DC 12V RS485 Relay Module Modbus RTU 485 Remote Control Switch Board For PLC PTZ Camera Motor (4Pcs)
Amazon.com
Free shipping
$117.84
Eletechsup 16 Channel DC 12V RS485 Relay Module Modbus RTU 485 Remote Control Switch Board For PLC PTZ Camera Motor (4Pcs)
Amazon.com
Free shipping
$113.66
32 Channel RS485 Relay Module With Optocoupler Isolation, Flash On/Off Function, Resettable Fuse, Rail Mount Box
Amazon.com
Free shipping
$113.66
32 Channel RS485 Relay Module With Optocoupler Isolation, Flash On/Off Function, Resettable Fuse, Rail Mount Box
Amazon.com
Free shipping
$2.69
5V 12V 24V 2-Channel Relay Module Shield For Arduino ARM PIC AVR DSP Electronic 5V 10A 2 Channel Relay M (12V)
Amazon.com
$2.69
5V 12V 24V 2-Channel Relay Module Shield For Arduino ARM PIC AVR DSP Electronic 5V 10A 2 Channel Relay M (12V)
Amazon.com
$12.45
$14.39
RS485 12V 1-Channel Relay Module For PLC Controller Industrial Automation Systems
Amazon.com
折扣 13%
$12.45
$14.39
RS485 12V 1-Channel Relay Module For PLC Controller Industrial Automation Systems
Amazon.com
$13.99
DSD TECH SH-U10 USB To RS485 Converter For Modbus
Amazon.com
568
$13.99
DSD TECH SH-U10 USB To RS485 Converter For Modbus
Amazon.com
568
$33.60
2 Channel Support Modbus TCP Protocol Dc 5V Relay Module, 3.2 X 2 X 1.2Inch Network Relay, TCP Client And Udp Mode For Smart Home Multiclient Use
Amazon.com
$33.60
2 Channel Support Modbus TCP Protocol Dc 5V Relay Module, 3.2 X 2 X 1.2Inch Network Relay, TCP Client And Udp Mode For Smart Home Multiclient Use
Amazon.com
$198.00
VBR-Modbus Multi-Channel Grow Light Controller 0-10V And RS485 DIY, Sunrise Sunset, Timer
Amazon.com
Free shipping
$198.00
VBR-Modbus Multi-Channel Grow Light Controller 0-10V And RS485 DIY, Sunrise Sunset, Timer
Amazon.com
Free shipping
$3.19
$4.56
8CH DC 5V 12V 24V RS485 RS232 (TTL) Modbus RTU Control Module UART For Relay Switch Board PLC
Aliexpress
Free shipping
折扣 30%
$3.19
$4.56
8CH DC 5V 12V 24V RS485 RS232 (TTL) Modbus RTU Control Module UART For Relay Switch Board PLC
Aliexpress
Free shipping
$5.10
Mini DC 12V 2Ch RS485 Relay Board Modbus RTU Switch Module For PLC Digital Output Expansion For
Aliexpress
$5.10
Mini DC 12V 2Ch RS485 Relay Board Modbus RTU Switch Module For PLC Digital Output Expansion For
Aliexpress
$38.98
Taidacent RS485 Temperature And Humidity Transmitter Modbus RTU Moisture Monitoring Controller Probe With SHT30 Sensor PLC DCS (SHT30TYPE3)
Amazon.com
1
Free shipping
$38.98
Taidacent RS485 Temperature And Humidity Transmitter Modbus RTU Moisture Monitoring Controller Probe With SHT30 Sensor PLC DCS (SHT30TYPE3)
Amazon.com
1
$23.97
Garosa 8 Channel Relay Module, DC 12V, 8X 10A Relay, RS485, Manual Operation, Silver Contacts, Normally Open, Surface Mount
Amazon.com
Free shipping
$23.97
Garosa 8 Channel Relay Module, DC 12V, 8X 10A Relay, RS485, Manual Operation, Silver Contacts, Normally Open, Surface Mount
Amazon.com
Free shipping
$14.99
ANMBEST 5PCS 2 Channel 12V Relay Module With Optocoupler High Or Low Level Trigger Expansion Board For Raspberry Pi Arduino
Amazon.com
339
$14.99
ANMBEST 5PCS 2 Channel 12V Relay Module With Optocoupler High Or Low Level Trigger Expansion Board For Raspberry Pi Arduino
Amazon.com
339
$16.99
4Ch DC 12V 24V -40500 Celsius PT100 RTD RS485 Temperature Sensor Module Modbus RTU Platinum Thermal Resistance Collector (1PCS A 12V Only Board)
Amazon.com
Free shipping
$16.99
4Ch DC 12V 24V -40500 Celsius PT100 RTD RS485 Temperature Sensor Module Modbus RTU Platinum Thermal Resistance Collector (1PCS A 12V Only Board)
Amazon.com
Free shipping
$25.00
JIAHUIFA Digital Display Meter 0-10V 0-20Ma 2-10V 4-20Ma Analog Signal Input 0-10V Indicator Process Panel Meter Relay Out RS485 Port(Standard)
Amazon.com
Free shipping
$25.00
JIAHUIFA Digital Display Meter 0-10V 0-20Ma 2-10V 4-20Ma Analog Signal Input 0-10V Indicator Process Panel Meter Relay Out RS485 Port(Standard)
Amazon.com
Free shipping
$36.00
Arduino Nano PLC Carrier Module RS485 Modbus I2C Analog Digital Inputs Relay Output
Aliexpress
Free shipping
$36.00
Arduino Nano PLC Carrier Module RS485 Modbus I2C Analog Digital Inputs Relay Output
Aliexpress
Free shipping
$17.99
Fainwan 2Pcs 8 Channel DC 5V Relay Module With Optocoupler For UNO R3 MEGA 2560 1280 DSP ARM PIC AVR STM32 Rasp-Berry Pi
Amazon.com
1
$17.99
Fainwan 2Pcs 8 Channel DC 5V Relay Module With Optocoupler For UNO R3 MEGA 2560 1280 DSP ARM PIC AVR STM32 Rasp-Berry Pi
Amazon.com
1
$11.99
Geekstory 5PCS 2 Channel 5V Relay Module 10A With Optocoupler Low Level Trigger Expansion Board For Arduino R3 MEGA 2560 1280 DSP ARM PIC AVR DSP
Amazon.com
23
$11.99
Geekstory 5PCS 2 Channel 5V Relay Module 10A With Optocoupler Low Level Trigger Expansion Board For Arduino R3 MEGA 2560 1280 DSP ARM PIC AVR DSP
Amazon.com
23
$13.59
DAOKI 5PCS 2 Channel DC 5V Relay Module With Optocoupler Low Level Trigger Expansion Board Compatible With Arduino
Amazon.com
13
$13.59
DAOKI 5PCS 2 Channel DC 5V Relay Module With Optocoupler Low Level Trigger Expansion Board Compatible With Arduino
Amazon.com
13
$51.83
8-CH Ethernet Relay Module, Adopt Modbus RTU/Modbus TCP Protocol, Supports Poe Power Supply, With Various Isolation And Protection Circuits,
Amazon.com
3
Free shipping
$51.83
8-CH Ethernet Relay Module, Adopt Modbus RTU/Modbus TCP Protocol, Supports Poe Power Supply, With Various Isolation And Protection Circuits,
Amazon.com
3
$202.00
DAE AMR130A KIT (Auto Meter Reading Module With Modbus/RS485 Communications) For 1 Water Meter
Amazon.com
8
$202.00
DAE AMR130A KIT (Auto Meter Reading Module With Modbus/RS485 Communications) For 1 Water Meter
Amazon.com
8
$19.95
RS232/RS485 Shield For Arduino
Amazon.com
34
$19.95
RS232/RS485 Shield For Arduino
Amazon.com
34
$35.99
Waveshare RS485 To Wifi/Ethernet Module Rail-Mount Serial Server Modbus MQTT Gateway
Amazon.com
41
Free shipping
$35.99
Waveshare RS485 To Wifi/Ethernet Module Rail-Mount Serial Server Modbus MQTT Gateway
Amazon.com
41
$144.18
RS422-485 ABB - Controls & Indicators & Control Accessory Supplies
Radwell.com
$144.18
RS422-485 ABB - Controls & Indicators & Control Accessory Supplies
Radwell.com
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购买 2 Relay RS485 Arduino Modbus

广告
关于我们的广告
$53.04
9568, KBVF Digital Interface Module, Modbus, RS-232 & 485.
KB-Controls
$53.04
9568, KBVF Digital Interface Module, Modbus, RS-232 & 485.
KB-Controls
$133.99
$149.99
Startech.Com 4 Port PCI Express Pcie Serial Combo Card With Breakout Cable - 2 X RS232 2 X RS422 / RS485 - Dual Profile , TAA (PEX4S232485)
Amazon.com
Free shipping
折扣 10%
$133.99
$149.99
Startech.Com 4 Port PCI Express Pcie Serial Combo Card With Breakout Cable - 2 X RS232 2 X RS422 / RS485 - Dual Profile , TAA (PEX4S232485)
Amazon.com
Free shipping
$9.93
JESSINIE 2Pcs 1 Channel Switch Relay Module Modbus Rtu Switching Input Output Relays Board With Anti-Reverse Connection Protection RS485 TTL
Amazon.com
1
$9.93
JESSINIE 2Pcs 1 Channel Switch Relay Module Modbus Rtu Switching Input Output Relays Board With Anti-Reverse Connection Protection RS485 TTL
Amazon.com
1
$7.99
$8.99
5Pcs MAX485 Transceiver Module, Featuring Chip, Serves As A TTL UART Serial To RS485 Instrument Interface Module. RS-485 Communication Transceiver
Amazon.com
97
折扣 11%
$7.99
$8.99
5Pcs MAX485 Transceiver Module, Featuring Chip, Serves As A TTL UART Serial To RS485 Instrument Interface Module. RS-485 Communication Transceiver
Amazon.com
97
$25.99
2PCS Waveshare Industrial USB To RS485 Converter With Original FT232RL And SP485EEN Embedded Protection Circuits For Industrial Control Equipments And
Amazon.com
90
$25.99
2PCS Waveshare Industrial USB To RS485 Converter With Original FT232RL And SP485EEN Embedded Protection Circuits For Industrial Control Equipments And
Amazon.com
90
$19.62
Relay Module 30A High Power 2-Channel AC100V-250V DC 5V High Current High Low Level Trigger Switch Module
Amazon.com
80
$19.62
Relay Module 30A High Power 2-Channel AC100V-250V DC 5V High Current High Low Level Trigger Switch Module
Amazon.com
80
$2.69
5V 12V 24V 2-Channel Relay Module Shield For Arduino ARM PIC AVR DSP Electronic 5V 10A 2 Channel Relay M (24V)
Amazon.com
$2.69
5V 12V 24V 2-Channel Relay Module Shield For Arduino ARM PIC AVR DSP Electronic 5V 10A 2 Channel Relay M (24V)
Amazon.com
$117.84
Eletechsup 16 Channel DC 12V RS485 Relay Module Modbus RTU 485 Remote Control Switch Board For PLC PTZ Camera Motor (4Pcs)
Amazon.com
Free shipping
$117.84
Eletechsup 16 Channel DC 12V RS485 Relay Module Modbus RTU 485 Remote Control Switch Board For PLC PTZ Camera Motor (4Pcs)
Amazon.com
Free shipping
$113.66
32 Channel RS485 Relay Module With Optocoupler Isolation, Flash On/Off Function, Resettable Fuse, Rail Mount Box
Amazon.com
Free shipping
$113.66
32 Channel RS485 Relay Module With Optocoupler Isolation, Flash On/Off Function, Resettable Fuse, Rail Mount Box
Amazon.com
Free shipping
$2.69
5V 12V 24V 2-Channel Relay Module Shield For Arduino ARM PIC AVR DSP Electronic 5V 10A 2 Channel Relay M (12V)
Amazon.com
$2.69
5V 12V 24V 2-Channel Relay Module Shield For Arduino ARM PIC AVR DSP Electronic 5V 10A 2 Channel Relay M (12V)
Amazon.com
$12.45
$14.39
RS485 12V 1-Channel Relay Module For PLC Controller Industrial Automation Systems
Amazon.com
折扣 13%
$12.45
$14.39
RS485 12V 1-Channel Relay Module For PLC Controller Industrial Automation Systems
Amazon.com
$13.99
DSD TECH SH-U10 USB To RS485 Converter For Modbus
Amazon.com
568
$13.99
DSD TECH SH-U10 USB To RS485 Converter For Modbus
Amazon.com
568
$33.60
2 Channel Support Modbus TCP Protocol Dc 5V Relay Module, 3.2 X 2 X 1.2Inch Network Relay, TCP Client And Udp Mode For Smart Home Multiclient Use
Amazon.com
$33.60
2 Channel Support Modbus TCP Protocol Dc 5V Relay Module, 3.2 X 2 X 1.2Inch Network Relay, TCP Client And Udp Mode For Smart Home Multiclient Use
Amazon.com
$198.00
VBR-Modbus Multi-Channel Grow Light Controller 0-10V And RS485 DIY, Sunrise Sunset, Timer
Amazon.com
Free shipping
$198.00
VBR-Modbus Multi-Channel Grow Light Controller 0-10V And RS485 DIY, Sunrise Sunset, Timer
Amazon.com
Free shipping
$3.19
$4.56
8CH DC 5V 12V 24V RS485 RS232 (TTL) Modbus RTU Control Module UART For Relay Switch Board PLC
Aliexpress
Free shipping
折扣 30%
$3.19
$4.56
8CH DC 5V 12V 24V RS485 RS232 (TTL) Modbus RTU Control Module UART For Relay Switch Board PLC
Aliexpress
Free shipping
$5.10
Mini DC 12V 2Ch RS485 Relay Board Modbus RTU Switch Module For PLC Digital Output Expansion For
Aliexpress
$5.10
Mini DC 12V 2Ch RS485 Relay Board Modbus RTU Switch Module For PLC Digital Output Expansion For
Aliexpress
$38.98
Taidacent RS485 Temperature And Humidity Transmitter Modbus RTU Moisture Monitoring Controller Probe With SHT30 Sensor PLC DCS (SHT30TYPE3)
Amazon.com
1
Free shipping
$38.98
Taidacent RS485 Temperature And Humidity Transmitter Modbus RTU Moisture Monitoring Controller Probe With SHT30 Sensor PLC DCS (SHT30TYPE3)
Amazon.com
1
$23.97
Garosa 8 Channel Relay Module, DC 12V, 8X 10A Relay, RS485, Manual Operation, Silver Contacts, Normally Open, Surface Mount
Amazon.com
Free shipping
$23.97
Garosa 8 Channel Relay Module, DC 12V, 8X 10A Relay, RS485, Manual Operation, Silver Contacts, Normally Open, Surface Mount
Amazon.com
Free shipping