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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)…
$56.69
$62.99
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SAVE 50%
DS18b20 Thermometer 0.56" LED Digital Temperature 12V 24V CAR fish tank water
DS18b20 Thermometer 0.56" LED Digital Temperature 1…
$5.09
$10.18
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SAVE 50%
1-100pcs DS18B20 DS18B TO-92 Chip Programmable Digital Thermometer Temperature Sensor Temperature Acquisition TO-92
1-100pcs DS18B20 DS18B TO-92 Chip Programmable Digi…
$3.77
$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 Collecto…
$4.25
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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 Tempe…
$1.92
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SAVE 9%
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 Rel…
$152.52
$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 Mod…
$14.79
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SAVE 43%
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 P…
$108.53
$192.92
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ETH1620 - 20 X 16A Ethernet Relay Module Development Board
ETH1620 - 20 X 16A Ethernet Relay Module Developme…
$450.39
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SAVE 1%
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 3…
$3.17
$3.22
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SAVE 35%
DS18B20 Waterproof Digital Temperature sensor 6mm * 50mm Stainless Steel Probe 18b20 1m 2m 3m 5m Silicone Cable
DS18B20 Waterproof Digital Temperature sensor 6mm *…
$2.47
$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 R…
$49.52
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SAVE 30%
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 …
$12.95
$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 Vol…
$2.27
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SAVE 12%
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 …
$155.46
$178.08
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SAVE 25%
12-channel Relay RJ45 Ethernet Secondary Development Remote Control Relay Module Support TCP/UDP/MQTT Communication Protocols
12-channel Relay RJ45 Ethernet Secondary Developmen…
$5.28
$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 M…
$5.13
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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…
$26.28
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SAVE 9%
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 Modu…
$264.44
$290.59
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SAVE 7%
5PCS/lot Original New Relay FTR-K1AK005T K1AK012T K1AK024T 5V 12V 24V DC K1CK005W K1CK012W K1CK024W 16A 6PIN/8PIN Rele
5PCS/lot Original New Relay FTR-K1AK005T K1AK012T K…
$8.74
$9.40
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SAVE 50%
1PCS Waterproof DS18B20 thread temperature probe temperature sensor Stainless steel package 1m 2m 3m 18B20 wire arduino
1PCS Waterproof DS18B20 thread temperature probe te…
$4.04
$8.08
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SAVE 5%
1PCS USB Temperature Sensor MODBUS RTU Transmitter DL11B-MC for DS18B20/NTC High Precision Digital Thermometer
1PCS USB Temperature Sensor MODBUS RTU Transmitter …
$13.96
$14.70
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SAVE 25%
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…
$0.91
$1.22
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SAVE 40%
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…
$17.53
$29.22
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SAVE 5%
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 acces…
$28.49
$29.99
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SAVE 10%
5-100pcs DS18B20 DS18B TO-92 Chip Programmable Digital Thermometer Temperature Sensor Temperature Acquisition 18B20
5-100pcs DS18B20 DS18B TO-92 Chip Programmable Digi…
$2.07
$2.30
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SAVE 7%
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 D…
$44.18
$47.51
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SAVE 10%
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 Digit…
$51.29
$56.99
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SAVE 10%
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…
$2.70
$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 Re…
$237.70
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DS2824 - 24 X 16A Ethernet Relay Expansion Module Relay Module Development Board
DS2824 - 24 X 16A Ethernet Relay Expansion Module R…
$575.50
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SAVE 3%
RS485 Modbus PLC Relay Module Ethernet Transistor for Electrical Automation Control PAC & Dedicated Controllers
RS485 Modbus PLC Relay Module Ethernet Transistor f…
$983.72
$1014.14
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SAVE 9%
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 Modu…
$386.61
$424.85
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SAVE 50%
DS18B20 Temperature Sensor Module Kit Waterproof 100CM Digital Sensor Cable Stainless Steel Probe Terminal Adapter For Arduino
DS18B20 Temperature Sensor Module Kit Waterproof 10…
$3.20
$6.39
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SAVE 30%
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 1…
$7.70
$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…
$24.69
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DS378 - 8 X 16A Ethernet Relay Module
DS378 - 8 X 16A Ethernet Relay Module
$355.30
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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 Expansio…
$206.21
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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 S…
$20.72
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SAVE 50%
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-T…
$9.19
$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 Stainle…
$3.40
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