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Relays
5V 1 Channel Level Trigger Optocoupler Relay Module
$
10.99
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Relays
5V/12V WIFI Network Automatic Time Synchronization Digital Electronic Clock Module, Blue
$
17.99
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Relays
5V/12V WIFI Network Automatic Time Synchronization Digital Electronic Clock Module, White
$
17.99
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5V/12V WIFI Network Automatic Time Synchronization Digital Electronic Clock Module, Green
$
17.99
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5V/12V WIFI Network Automatic Time Synchronization Digital Electronic Clock Module, Red
$
17.99
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Relays
24V 1 Way Relay Module Low Power Trigger Relay Expansion Board
$
12.99
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Relays
5V 1 Way Relay Module Low Power Trigger Relay Expansion Board
$
12.99
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Relays
12V 1 Way Relay Module Low Power Trigger Relay Expansion Board
$
12.99
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Relays
5V 12V 24V Voltage Detecting Module Relay Switch Circuit Measurement Charging Discharge Monitoring Overvoltage Protection
$
13.99
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Relays
5V NE555 Time Relay Shield Timing Relay Timer Control Switch Car Relays
$
12.99
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Relays
12V NE555 Time Relay Shield Timing Relay Timer Control Switch Car Relays
$
12.99
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Relays
Waveshare 24921 Modbus RTU 16-Ch Relay Module, RS485 Interface, With Multiple Isolation Protection Circuits
$
71.13
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Relays
DK-C-01 Anti-Reverse Circuit Delay Relay Module DC12V Timing Delay Controller Module
$
15.99
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Relays
Deek-Robot DDC-432 Delay Relay Switch DC5V-30V Dual MOS Tube Digital Display Time Relay Controller
$
15.99
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Relays
Deek-Robot DDC-431 Timer Delay Relay Switch Digital LED Display Delay Controller
$
15.99
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Relays
PTA8D08 8ch DC 8-30V PT100 RTD RS485 Temperature Sensor Module Modbus RTU Platinum Thermal Resistance Collector -40~500C Module Board
$
36.79
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Relays
PT21A01 DC12V PT100 RTD Converter with RS485 Modbus RTU Sensor for Accurate Temperature Monitoring
$
12.99
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NT28B16 TB438 16Ch RS485 Temperature Data Logger with Modbus RTU&NTC Sensor Module Board
$
22.99
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16AI RS485 Analog Input RS485 PT100 RTD Temperature Sensor Collector Lithium Battery Test PLC Configuration Software
$
47.99
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Relays
R4D7G04 20DO 2DI 2AI RS485 Modbus RTU Relay Multifunction Module PLC IO Expanding Board 4-20MA 0-10V Current and Voltage Collection
$
24.99
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DC 12V 24V LED Digital Relay Switch Control Board Module Relay Module Voltage Detection Charging Discharge Monitor Test Module Board
$
12.99
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Relays
AOQDQDQD HCW-03 12V Relay Module with Infinite Cycle/Single Time/Delay Dual Adjustable/Multifunctional Relay Module/Delay Circuit Module
$
10.99
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AOQDQDQD 5V/12V Time Control Switch with Intermittent Infinite Loop Countdown and Timing Relay Module
$
12.99
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Relays
AOQDQDQD 5V 2-Channel Relay Module with Optocoupler Protection and Expansion Board for Home Automation and DIY Projects
$
9.99
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Relays
AOQDQDQD 12V Relay Module with Single-Key Dual Stable State Self-Locking and MCU Control for Automation and Control Systems
$
10.99
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Relays
5V 6V 9V 12V Motor Forward and Reverse Delay Module Time Delay Relay Adjustable DPDT Relay Reverse Polarity Module
$
12.99
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5V 12V 24V Single Button Bistable Switch Bi-stable Relay Module Car Modification Switch One-button Start-stop Self-locking Relay Module Board
$
10.99
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Relays
DC12V 24V AMDSG08 8-Channel RS485 DS18B20 Temperature Collector Module for Industrial Automation and Control
$
32.59
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Relays
DC 12V 24V Din Rail DIP Switch RS485 Wireless Transceiver 20DBM-121dBm UART Transmitter and Receiver Modbus RTU Module
$
21.99
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Relays
AMPTI04 DC 12V 24V 4AIPT100 RTD Sensor to RS485 Temperature Collector Module Platinum Thermal Resistance Collector
$
32.59
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8ch RS485 Modbus RTU DO/PWM Output Multifunction MOS Driver Board for Multilayer Signal Lights LED Relay Solenoid Valves Motor
$
13.99
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Relays
23IOE48 48 CH Multifunctional RS485 Remote IO Module PLC DI-DO Expansion Board DIN Rail
$
53.59
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Relays
23IOD32 32CH Multifunctional RS485 Remote IO Module PLC DI-DO Expansion Board DIN Rail
$
39.59
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Relays
23IOC24 24CH Multifunctional RS485 Remote IO Module PLC DI-DO Expansion Board DIN Rail
$
33.99
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Relays
23IOB16 16CH Multifunctional RS485 Remote IO Module PLC DI-DO Expansion Board DIN Rail
$
24.99
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Relays
23IOA08 8CH Multifunctional RS485 Remote IO Module PLC DI-DO Expansion Board DIN Guide Rail
$
20.99
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Relays
Geekcreit DSP & PLL Digital Stereo FM Radio Receiver Module 87-108MHz With Serial Control
$
22.99
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Relays
SSR -25DD/ 40DD DC Control DC SSR White Shell Single Phase Solid State Relay
$
18.99
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Relays
Bistable Relay Module 5V 12V Single Button Relay Module One Key Car Modification Start-Stop Self locking Car Modification Switch
$
12.99
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Relays
5V Time Control Switch Intermittent Infinite Loop Countdown Switch Controller Timing Relay Module
$
17.99
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