购买 Modbus Arduino RS485

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$74.99
Waveshare Modbus RTU 32-Ch Relay Module, RS485 Interface, With Multiple Isolation Protection Circuits, Industrial-Grade, Rail-Mount Case
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Waveshare Modbus RTU 32-Ch Relay Module, RS485 Interface, With Multiple Isolation Protection Circuits, Industrial-Grade, Rail-Mount Case
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Arduino Opta RS485 [AFX00001] - Industrial-Grade Iot Controller With RS485 Communication, Digital I/O, Analog Inputs, And Modbus Support For
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Arduino Opta RS485 [AFX00001] - Industrial-Grade Iot Controller With RS485 Communication, Digital I/O, Analog Inputs, And Modbus Support For
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1 Pcs For UNO R3 Arduino PLC RS485 Remote IO DIY ADC Collection Relay Module DC 7-30V 6AI-6DI-4DO Multifunction Expanding Board(Only Board)
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1 Pcs For UNO R3 Arduino PLC RS485 Remote IO DIY ADC Collection Relay Module DC 7-30V 6AI-6DI-4DO Multifunction Expanding Board(Only Board)
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Taidacent MODBUS RTU RS485 TTL RS232 Serial Remote Acquisition Temperature Module Temperature Sensor Converter Module For 10K 3950 NTC Thermistor
Amazon.com
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Taidacent MODBUS RTU RS485 TTL RS232 Serial Remote Acquisition Temperature Module Temperature Sensor Converter Module For 10K 3950 NTC Thermistor
Amazon.com
$29.98
DC 12V 16 Channel MODBUS RTU RS485 Relay Module Board PLC Controller Serial Port Switch
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DC 12V 16 Channel MODBUS RTU RS485 Relay Module Board PLC Controller Serial Port Switch
Amazon.com
3
$14.50
1PCS Modbus-Rtu 1 Channel 12V Relay Module Switch Input/Output RS485/TTL Communication New 2025 High For Reliable Electronic Component, Precision,
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$14.50
1PCS Modbus-Rtu 1 Channel 12V Relay Module Switch Input/Output RS485/TTL Communication New 2025 High For Reliable Electronic Component, Precision,
Amazon.com
$45.11
4-Channel RS485 Relay Board, Modbus RTU Protocol, 30A High Current 7V36V, Multi Isolation Protection Circuits, Industrial Grade Rail-Mount Case
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$45.11
4-Channel RS485 Relay Board, Modbus RTU Protocol, 30A High Current 7V36V, Multi Isolation Protection Circuits, Industrial Grade Rail-Mount Case
Amazon.com
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$23.97
Eletechsup Upgraded 16DI-16DO Multifunction RS485 Two-Way Remote Control Module, Modbus RTU PLC, Smart Home Expanding Board N4D3E16 (With DIN Box)
Amazon.com
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$23.97
Eletechsup Upgraded 16DI-16DO Multifunction RS485 Two-Way Remote Control Module, Modbus RTU PLC, Smart Home Expanding Board N4D3E16 (With DIN Box)
Amazon.com
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$11.99
Waveshare 2-Channel RS485 Module For Raspberry Pi Pico Incorporates RS485 Transceiver SP3485 Using UART Bus
Amazon.com
$11.99
Waveshare 2-Channel RS485 Module For Raspberry Pi Pico Incorporates RS485 Transceiver SP3485 Using UART Bus
Amazon.com
$26.99
RS485 Modbus Relay 8-Bit MCU And SP3485 Chip PLC Control DC5V 5.08mm Terminal 32V With Diode Lag Current Protection & Opto Isolation (2 Way Relay)
Amazon.com
$26.99
RS485 Modbus Relay 8-Bit MCU And SP3485 Chip PLC Control DC5V 5.08mm Terminal 32V With Diode Lag Current Protection & Opto Isolation (2 Way Relay)
Amazon.com
$82.60
8-Channel Serial Server RS485 RS232 RS422 To RJ45 Modbus Gateway RTU To TCP NB183S Build-In Watchdog MQTT/HTTP IOT Module
Amazon.com
$82.60
8-Channel Serial Server RS485 RS232 RS422 To RJ45 Modbus Gateway RTU To TCP NB183S Build-In Watchdog MQTT/HTTP IOT Module
Amazon.com
$59.92
$64.64
RS485 8AI 8DI 10DO ESP32 S3 Multifunction Expansion Box Modbus Wifi MOS Relay Module For Arduino WEB
Aliexpress
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$64.64
RS485 8AI 8DI 10DO ESP32 S3 Multifunction Expansion Box Modbus Wifi MOS Relay Module For Arduino WEB
Aliexpress
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$62.61
RS485 8AI 8DI 10DO ESP32 S3 Multifunction Expansion Box Modbus Wifi MOS Relay Module For Arduino WEB
Aliexpress
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$62.61
RS485 8AI 8DI 10DO ESP32 S3 Multifunction Expansion Box Modbus Wifi MOS Relay Module For Arduino WEB
Aliexpress
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$36.00
Arduino Nano PLC Carrier Module RS485 Modbus I2C Analog Digital Inputs Relay Output
Aliexpress
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$36.00
Arduino Nano PLC Carrier Module RS485 Modbus I2C Analog Digital Inputs Relay Output
Aliexpress
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$45.11
Industrial Modbus RTU 4-Ch Relay Module With RS485 Interface, 30A High Current, Onboard LED Indicators, Multi Isolation Protection Circuits,
Amazon.com
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$45.11
Industrial Modbus RTU 4-Ch Relay Module With RS485 Interface, 30A High Current, Onboard LED Indicators, Multi Isolation Protection Circuits,
Amazon.com
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$27.83
Waveshare RS485 To RJ45 Ethernet Converter Module, Industrial RS485 Serial Server, TCP/IP To Serial Module, Modbus Gateway, 636V Power Supply,
Amazon.com
$27.83
Waveshare RS485 To RJ45 Ethernet Converter Module, Industrial RS485 Serial Server, TCP/IP To Serial Module, Modbus Gateway, 636V Power Supply,
Amazon.com
$4.34
$4.69
3A Mini Electronic Switch Board Modbus PC USB Serial Port UART RS485 Relay Module For Arduino ESP32
AliExpress
$4.34
$4.69
3A Mini Electronic Switch Board Modbus PC USB Serial Port UART RS485 Relay Module For Arduino ESP32
AliExpress
$6.82
$7.03
8AI-8DI-8DO Multifunction IO Expanding Module For ARDUINO NANO V3.0 RS485 Modbus RTU Open PLC LED
Aliexpress
$6.82
$7.03
8AI-8DI-8DO Multifunction IO Expanding Module For ARDUINO NANO V3.0 RS485 Modbus RTU Open PLC LED
Aliexpress
$22.18
$23.50
RS485 2AO 2AI 4DI 4DO ESP32 Multifunction Expansion Board Modbus Wifi Relay Module For Arduino WEB
Aliexpress
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$23.50
RS485 2AO 2AI 4DI 4DO ESP32 Multifunction Expansion Board Modbus Wifi Relay Module For Arduino WEB
Aliexpress
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$34.55
Waveshare RS485 To Wifi/Ethernet Serial Server, Modbus MQTT Gateway, Rail-Mount, Compact Size, Industrial Gateway, Motherboard, Mini ITX
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28
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Waveshare RS485 To Wifi/Ethernet Serial Server, Modbus MQTT Gateway, Rail-Mount, Compact Size, Industrial Gateway, Motherboard, Mini ITX
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$26.87
Waveshare RJ45 To RS485 Ethernet Module, Bi-Directional Transparent Transmission, Modbus Gateway Support, Multi Communication Modes
Amazon.com
$26.87
Waveshare RJ45 To RS485 Ethernet Module, Bi-Directional Transparent Transmission, Modbus Gateway Support, Multi Communication Modes
Amazon.com
$145.98
ESVZAR0 Lenze AC Tech RS485 / Modbus Interface Module
Valin Process Control Solutions
$145.98
ESVZAR0 Lenze AC Tech RS485 / Modbus Interface Module
Valin Process Control Solutions
$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
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JESSINIE 2Pcs 1 Channel Switch Relay Module Modbus Rtu Switching Input Output Relays Board With Anti-Reverse Connection Protection RS485 TTL
Amazon.com
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DC 12V 24V 32 Channels Modbus RTU RS485 Bus Relay Module UART Serial Port DIN35 Rail Board For PLC
Aliexpress
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DC 12V 24V 32 Channels Modbus RTU RS485 Bus Relay Module UART Serial Port DIN35 Rail Board For PLC
Aliexpress
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Siemens 7KM9300-0AM00-0AA0 Expansion Module MODBUS RTU RS485
PLCHardware.com
$99.00
Siemens 7KM9300-0AM00-0AA0 Expansion Module MODBUS RTU RS485
PLCHardware.com
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8 Channel Analog Output 0-10V 0-5V AO Module RS485 Modbus RTU To Voltage PLC Remote IO Expansion
Aliexpress
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8 Channel Analog Output 0-10V 0-5V AO Module RS485 Modbus RTU To Voltage PLC Remote IO Expansion
Aliexpress
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DC 12V/24V 4-16CH DI-DO CAN Fieldbus Relay Module RS485 Modbus RTU PLC IO Expanding Board NPN/PNP
Aliexpress
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DC 12V/24V 4-16CH DI-DO CAN Fieldbus Relay Module RS485 Modbus RTU PLC IO Expanding Board NPN/PNP
Aliexpress
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ALMOCN 2 Pack TTL To RS485 Adapter Module 3.3V 5V 485 To TTL Signal Single Chip Serial Port Level Converter Borad With RXD, TXD Indicator
Amazon.com
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ALMOCN 2 Pack TTL To RS485 Adapter Module 3.3V 5V 485 To TTL Signal Single Chip Serial Port Level Converter Borad With RXD, TXD Indicator
Amazon.com
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$61.66
$65.37
Relay Module 20Ch RS485 Digital Analog Switch IO Module Modbus RTU PLC UART Expanding Board 4-20MA
Aliexpress
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$65.37
Relay Module 20Ch RS485 Digital Analog Switch IO Module Modbus RTU PLC UART Expanding Board 4-20MA
Aliexpress
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$9.00
Conversion Module Analog 4-20Ma 0-5V 0-10V To RS485 Modbus RTU Protocol 2 4 8 Channel Digital RS485
Aliexpress
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Conversion Module Analog 4-20Ma 0-5V 0-10V To RS485 Modbus RTU Protocol 2 4 8 Channel Digital RS485
Aliexpress
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16 Channel Modbus RTU PLC Controller Serial Port Switch RS485 Relay Module Switch Module For PLC PTZ
Aliexpress
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16 Channel Modbus RTU PLC Controller Serial Port Switch RS485 Relay Module Switch Module For PLC PTZ
Aliexpress
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Modbus RTU 8/16/32-Channel RS485 Relay Module Isolation Protection Circuits, 32-Channel Relay Module
vipih.com
$113.78
Modbus RTU 8/16/32-Channel RS485 Relay Module Isolation Protection Circuits, 32-Channel Relay Module
vipih.com
$49.00
PUSR RS232 RS485 Modbus RTU To Modbus TCP Gateway Serial To Ethernet Converter USR-TCP232-410S
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PUSR RS232 RS485 Modbus RTU To Modbus TCP Gateway Serial To Ethernet Converter USR-TCP232-410S
Amazon.com
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Conversion Module Analog 0-5V 0-10V 4-20Ma To RS485 Modbus RTU Protocol 2 4 8 Channel Digital RS485
Aliexpress
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Conversion Module Analog 0-5V 0-10V 4-20Ma To RS485 Modbus RTU Protocol 2 4 8 Channel Digital RS485
Aliexpress
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$33.54
16 Channel Modbus RTU Switch Module RS485 Relay Module Control Switch Board For PLC PTZ Camera Motor
Aliexpress
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16 Channel Modbus RTU Switch Module RS485 Relay Module Control Switch Board For PLC PTZ Camera Motor
Aliexpress
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8CH DC 5V 12V 24V RS485 RS232 (TTL) Modbus RTU Control Module UART For Relay Switch Board PLC
Aliexpress
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8CH DC 5V 12V 24V RS485 RS232 (TTL) Modbus RTU Control Module UART For Relay Switch Board PLC
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RS-485 MODBUS Serial Communication with Arduino as Master
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RS-485 MODBUS Serial Communication using Arduino UNO as Slave
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How to View Modbus RS485 Data on the Web using Arduino & IoT
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购买 Modbus Arduino RS485

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$74.99
Waveshare Modbus RTU 32-Ch Relay Module, RS485 Interface, With Multiple Isolation Protection Circuits, Industrial-Grade, Rail-Mount Case
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5
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$74.99
Waveshare Modbus RTU 32-Ch Relay Module, RS485 Interface, With Multiple Isolation Protection Circuits, Industrial-Grade, Rail-Mount Case
Amazon.com
5
$165.60
Arduino Opta RS485 [AFX00001] - Industrial-Grade Iot Controller With RS485 Communication, Digital I/O, Analog Inputs, And Modbus Support For
Amazon.com
Free shipping
$165.60
Arduino Opta RS485 [AFX00001] - Industrial-Grade Iot Controller With RS485 Communication, Digital I/O, Analog Inputs, And Modbus Support For
Amazon.com
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$118.68
1 Pcs For UNO R3 Arduino PLC RS485 Remote IO DIY ADC Collection Relay Module DC 7-30V 6AI-6DI-4DO Multifunction Expanding Board(Only Board)
Amazon.com
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$118.68
1 Pcs For UNO R3 Arduino PLC RS485 Remote IO DIY ADC Collection Relay Module DC 7-30V 6AI-6DI-4DO Multifunction Expanding Board(Only Board)
Amazon.com
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$8.00
Taidacent MODBUS RTU RS485 TTL RS232 Serial Remote Acquisition Temperature Module Temperature Sensor Converter Module For 10K 3950 NTC Thermistor
Amazon.com
$8.00
Taidacent MODBUS RTU RS485 TTL RS232 Serial Remote Acquisition Temperature Module Temperature Sensor Converter Module For 10K 3950 NTC Thermistor
Amazon.com
$29.98
DC 12V 16 Channel MODBUS RTU RS485 Relay Module Board PLC Controller Serial Port Switch
Amazon.com
3
$29.98
DC 12V 16 Channel MODBUS RTU RS485 Relay Module Board PLC Controller Serial Port Switch
Amazon.com
3
$14.50
1PCS Modbus-Rtu 1 Channel 12V Relay Module Switch Input/Output RS485/TTL Communication New 2025 High For Reliable Electronic Component, Precision,
Amazon.com
$14.50
1PCS Modbus-Rtu 1 Channel 12V Relay Module Switch Input/Output RS485/TTL Communication New 2025 High For Reliable Electronic Component, Precision,
Amazon.com
$45.11
4-Channel RS485 Relay Board, Modbus RTU Protocol, 30A High Current 7V36V, Multi Isolation Protection Circuits, Industrial Grade Rail-Mount Case
Amazon.com
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$45.11
4-Channel RS485 Relay Board, Modbus RTU Protocol, 30A High Current 7V36V, Multi Isolation Protection Circuits, Industrial Grade Rail-Mount Case
Amazon.com
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$23.97
Eletechsup Upgraded 16DI-16DO Multifunction RS485 Two-Way Remote Control Module, Modbus RTU PLC, Smart Home Expanding Board N4D3E16 (With DIN Box)
Amazon.com
Free shipping
$23.97
Eletechsup Upgraded 16DI-16DO Multifunction RS485 Two-Way Remote Control Module, Modbus RTU PLC, Smart Home Expanding Board N4D3E16 (With DIN Box)
Amazon.com
Free shipping
$11.99
Waveshare 2-Channel RS485 Module For Raspberry Pi Pico Incorporates RS485 Transceiver SP3485 Using UART Bus
Amazon.com
$11.99
Waveshare 2-Channel RS485 Module For Raspberry Pi Pico Incorporates RS485 Transceiver SP3485 Using UART Bus
Amazon.com
$26.99
RS485 Modbus Relay 8-Bit MCU And SP3485 Chip PLC Control DC5V 5.08mm Terminal 32V With Diode Lag Current Protection & Opto Isolation (2 Way Relay)
Amazon.com
$26.99
RS485 Modbus Relay 8-Bit MCU And SP3485 Chip PLC Control DC5V 5.08mm Terminal 32V With Diode Lag Current Protection & Opto Isolation (2 Way Relay)
Amazon.com
$82.60
8-Channel Serial Server RS485 RS232 RS422 To RJ45 Modbus Gateway RTU To TCP NB183S Build-In Watchdog MQTT/HTTP IOT Module
Amazon.com
$82.60
8-Channel Serial Server RS485 RS232 RS422 To RJ45 Modbus Gateway RTU To TCP NB183S Build-In Watchdog MQTT/HTTP IOT Module
Amazon.com
$59.92
$64.64
RS485 8AI 8DI 10DO ESP32 S3 Multifunction Expansion Box Modbus Wifi MOS Relay Module For Arduino WEB
Aliexpress
Free shipping
$59.92
$64.64
RS485 8AI 8DI 10DO ESP32 S3 Multifunction Expansion Box Modbus Wifi MOS Relay Module For Arduino WEB
Aliexpress
Free shipping
$58.06
$62.61
RS485 8AI 8DI 10DO ESP32 S3 Multifunction Expansion Box Modbus Wifi MOS Relay Module For Arduino WEB
Aliexpress
Free shipping
$58.06
$62.61
RS485 8AI 8DI 10DO ESP32 S3 Multifunction Expansion Box Modbus Wifi MOS Relay Module For Arduino WEB
Aliexpress
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
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$45.11
Industrial Modbus RTU 4-Ch Relay Module With RS485 Interface, 30A High Current, Onboard LED Indicators, Multi Isolation Protection Circuits,
Amazon.com
Free shipping
$45.11
Industrial Modbus RTU 4-Ch Relay Module With RS485 Interface, 30A High Current, Onboard LED Indicators, Multi Isolation Protection Circuits,
Amazon.com
Free shipping
$27.83
Waveshare RS485 To RJ45 Ethernet Converter Module, Industrial RS485 Serial Server, TCP/IP To Serial Module, Modbus Gateway, 636V Power Supply,
Amazon.com
$27.83
Waveshare RS485 To RJ45 Ethernet Converter Module, Industrial RS485 Serial Server, TCP/IP To Serial Module, Modbus Gateway, 636V Power Supply,
Amazon.com
$4.34
$4.69
3A Mini Electronic Switch Board Modbus PC USB Serial Port UART RS485 Relay Module For Arduino ESP32
AliExpress
$4.34
$4.69
3A Mini Electronic Switch Board Modbus PC USB Serial Port UART RS485 Relay Module For Arduino ESP32
AliExpress
$6.82
$7.03
8AI-8DI-8DO Multifunction IO Expanding Module For ARDUINO NANO V3.0 RS485 Modbus RTU Open PLC LED
Aliexpress
$6.82
$7.03
8AI-8DI-8DO Multifunction IO Expanding Module For ARDUINO NANO V3.0 RS485 Modbus RTU Open PLC LED
Aliexpress