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Searching for top-rated Ethernet Relay Module? Browse our curated selection of premium Ethernet Relay Module items available at discounted prices on transformationalteaching.com. Filter through top sellers, customer reviews, and great deals with global trackable shipping.

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SAVE 10%
Waveshare Dual Ethernet Ports 8-ch Relay Module (C), Modbus RTU Protocol, PoE Power Supply, With Various Isolation
Waveshare Dual Ethernet Ports 8-ch Relay Module (C), Modbus RT...
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$5669 $62.99
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DS18b20 Thermometer 0.56" LED Digital Temperature 12V 24V CAR fish tank water
DS18b20 Thermometer 0.56" LED Digital Temperature 12V 24V CAR ...
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$509 $10.18
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1-100pcs DS18B20 DS18B TO-92 Chip Programmable Digital Thermometer Temperature Sensor Temperature Acquisition TO-92
1-100pcs DS18B20 DS18B TO-92 Chip Programmable Digital Thermom...
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$377 $7.55
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2CH RS485 Modbus -55 to +125C Temperature Collector DS18B20 Sensor Adapter Board HMI PLC Analog Input Remote IO Module
2CH RS485 Modbus -55 to +125C Temperature Collector DS18B20 S...
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$425
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1/5/10PCS 18B20 DS18B20 Digital Signal Output Temperature Measurement Module Board Detection Sensor for Arduino DC5V Dupont Wire
1/5/10PCS 18B20 DS18B20 Digital Signal Output Temperature Meas...
★★★★★ (2418)
$192
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Kincony KC868-A16 ESP32 Wifi RS232 USB Ethernet Relay Module ADC DAC 433M Temperature MQTT Home Assistant Support
Kincony KC868-A16 ESP32 Wifi RS232 USB Ethernet Relay Module A...
★★★★★ (2002)
$15252 $167.60
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8-Way 1-Wire DS18B20 Digital Temperature Sensor Modbus RS485 Analog IO Module Paperless Recorder Board
8-Way 1-Wire DS18B20 Digital Temperature Sensor Modbus RS485 A...
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$1479
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16-Ethernet Relay Module, Modbus RTU / Modbus TCP Protocol, Ethernet Port Communication, Supports PoE Power Supply, With Vari
16-Ethernet Relay Module, Modbus RTU / Modbus TCP Protocol, Et...
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$10853 $192.92
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ETH1620 - 20 X 16A Ethernet Relay Module Development Board
ETH1620 - 20 X 16A Ethernet Relay Module Development Board
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$45039
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DS18B20 Waterproof Temperature Sensor Probe 1M 2M 3M 5M 10M 3‑Wire Cable Digital Thermometer for Arduino ESP32 Raspberry Pi
DS18B20 Waterproof Temperature Sensor Probe 1M 2M 3M 5M 10M 3‑...
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$317 $3.22
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DS18B20 Waterproof Digital Temperature sensor 6mm * 50mm Stainless Steel Probe 18b20 1m 2m 3m 5m Silicone Cable
DS18B20 Waterproof Digital Temperature sensor 6mm * 50mm Stain...
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$247 $3.80
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Dual Ethernet Ports 8-ch Relay Module (C), Modbus RTU Protocol, PoE Power Supply, With Various Isolation And Protection Circuits
Dual Ethernet Ports 8-ch Relay Module (C), Modbus RTU Protocol...
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$4952
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DC 5-24V 2-way Ethernet relay cloud remote control network switch timer controller module LAN WEB Server internet control
DC 5-24V 2-way Ethernet relay cloud remote control network swi...
★★★★★ (1956)
$1295 $18.50
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Relay 12V Control Board Module 5V Arduino 24Vdc Voltage 24V Switch 5 12 24 V DC 5Vdc 12Vdc Rele Rela 220v Relai Rel Reley
Relay 12V Control Board Module 5V Arduino 24Vdc Voltage 24V Sw...
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$227
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Dual Ethernet Ports 8-Relay Module (C), Modbus RTU Protocol, PoE Power Supply, With Various And Circuits
Dual Ethernet Ports 8-Relay Module (C), Modbus RTU Protocol, P...
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$15546 $178.08
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12-channel Relay RJ45 Ethernet Secondary Development Remote Control Relay Module Support TCP/UDP/MQTT Communication Protocols
12-channel Relay RJ45 Ethernet Secondary Development Remote Co...
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$528 $7.04
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L4260 L6270 WIFI BOARD J26H006 Combo Wireless LAN MINI USB Module for Epson L6260 L6276 L4263 L4266 L4267 L4268 L4269 Printers
L4260 L6270 WIFI BOARD J26H006 Combo Wireless LAN MINI USB Mod...
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$513
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2 IN 1 8Ch Ethernet/RS485 Relay Module Modbus Slave RTU TCP/IP UART Network controller Switch Board DC 12V
2 IN 1 8Ch Ethernet/RS485 Relay Module Modbus Slave RTU TCP/IP...
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$2628
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KC868-A32 ESP32 Wifi RS232 USB Ethernet Relay Module ADC DAC 433M Temperature Arduino IDE for Smart Home Automation MQTT
KC868-A32 ESP32 Wifi RS232 USB Ethernet Relay Module ADC DAC ...
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$26444 $290.59
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5PCS/lot Original New Relay FTR-K1AK005T K1AK012T K1AK024T 5V 12V 24V DC K1CK005W K1CK012W K1CK024W 16A 6PIN/8PIN Rele
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1PCS Waterproof DS18B20 thread temperature probe temperature sensor Stainless steel package 1m 2m 3m 18B20 wire arduino
1PCS Waterproof DS18B20 thread temperature probe temperature s...
★★★★★ (1911)
$404 $8.08
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1PCS USB Temperature Sensor MODBUS RTU Transmitter DL11B-MC for DS18B20/NTC High Precision Digital Thermometer
1PCS USB Temperature Sensor MODBUS RTU Transmitter DL11B-MC fo...
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$1396 $14.70
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5Pcs/1pc TX2SA Signal Relay DC 5V 12V 24V 2A 8 Pins TX2SA-5V TX2SA-12V TX2SA-24V Rele Relais
5Pcs/1pc TX2SA Signal Relay DC 5V 12V 24V 2A 8 Pins TX2SA-5V T...
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2 Channel Ethernet Relay Module DC 5-12V Network IP Web Relay Controller Switch TCP UDP Module Controller for Mobile APP DIY
2 Channel Ethernet Relay Module DC 5-12V Network IP Web Relay ...
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$1753 $29.22
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2 way Ethernet network relay module IP remote access controller intelligent smart home industrial grade Support MODBUS TCP
2 way Ethernet network relay module IP remote access controlle...
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$2849 $29.99
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5-100pcs DS18B20 DS18B TO-92 Chip Programmable Digital Thermometer Temperature Sensor Temperature Acquisition 18B20
5-100pcs DS18B20 DS18B TO-92 Chip Programmable Digital Thermom...
★★★★★ (3367)
$207 $2.30
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ESP32-P4 Smart 86 TV Box Development Board 4 inch Display TouchScreen 720x720 RS485 Relay Camera RJ45 ETH
ESP32-P4 Smart 86 TV Box Development Board 4 inch Display Touc...
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$4418 $47.51
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Waveshare 8-ch Ethernet Relay Module (B) With Digital Input, With Various Isolation And Protection Circuits PoE Port
Waveshare 8-ch Ethernet Relay Module (B) With Digital Input, W...
★★★★★ (2335)
$5129 $56.99
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for Dallas DS18B20 Sensor M8 M10 Threaded Stainless Steel High Temperature Waterproof Fixed Temperature Measure Sensor Probes
for Dallas DS18B20 Sensor M8 M10 Threaded Stainless Steel High...
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$270 $3.00
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DS2242 - 2 X 16A Ethernet Relay Expansion Module Relay Module Development Board
DS2242 - 2 X 16A Ethernet Relay Expansion Module Relay Module ...
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$23770
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DS2824 - 24 X 16A Ethernet Relay Expansion Module Relay Module Development Board
DS2824 - 24 X 16A Ethernet Relay Expansion Module Relay Module...
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$57550
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RS485 Modbus PLC Relay Module Ethernet Transistor for Electrical Automation Control PAC & Dedicated Controllers
RS485 Modbus PLC Relay Module Ethernet Transistor for Electric...
★★★★★ (1845)
$98372 $1014.14
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KC868-A16S ESP32 Wifi RS232 USB Ethernet Relay Module ADC DAC 433M Temperature Smart Home Automation MQTT
KC868-A16S ESP32 Wifi RS232 USB Ethernet Relay Module ADC DAC ...
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$38661 $424.85
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DS18B20 Temperature Sensor Module Kit Waterproof 100CM Digital Sensor Cable Stainless Steel Probe Terminal Adapter For Arduino
DS18B20 Temperature Sensor Module Kit Waterproof 100CM Digital...
★★★★★ (1809)
$320 $6.39
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5PCS DS18b20 Temperature Probe Temperature Sensor 1M 2M 3M 5M 18B20 Stainless Steel Package Waterproof 18B20 100cm/200cm/300cm
5PCS DS18b20 Temperature Probe Temperature Sensor 1M 2M 3M 5M ...
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$770 $11.00
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RS485 2AO 2AI 4DI 4DO ESP32 Multifunction Expansion Board Modbus Wifi Relay Module for Arduino WEB MQTT Ethernet Network Http
RS485 2AO 2AI 4DI 4DO ESP32 Multifunction Expansion Board Modb...
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$2469
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DS378 - 8 X 16A Ethernet Relay Module
DS378 - 8 X 16A Ethernet Relay Module
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$35530
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20262026 ETH484-B - 4 X 16A Ethernet Relay Expansion Module Relay Module Development Board
20262026 ETH484-B - 4 X 16A Ethernet Relay Expansion Module Re...
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$20621
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100pcs Temperature Sensor PT100 DS18B20 Stainless Steel Sleeve Blind Protection Sleeve 6X50mm 6X30MM 6*30mm 6*50mm
100pcs Temperature Sensor PT100 DS18B20 Stainless Steel Sleeve...
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$2072
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Serial TTL to Ethernet RJ45 Pin Module NE2-T1/NE2-T1B Edge Acquisition Modbus TCP to RTU IoT MQTT Communication Super Network
Serial TTL to Ethernet RJ45 Pin Module NE2-T1/NE2-T1B Edge Acq...
★★★★★ (160)
$919 $18.37
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DS18B20 Temperature Sensor Module Probe 304 Stainless Steel OD 3.0MM Waterproof Dustproof Sensors Cable White 100CM Length
DS18B20 Temperature Sensor Module Probe 304 Stainless Steel OD...
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$340
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