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13% off
Modbus Relay Module 1/2/4Way RS485/TTL Communication Modbus-RTU Switch Signal Input Output With Anti-reverse Protection Modbus Relay Module 1/2/4Way RS485/TTL Communication Modbus-RTU Switch Signal Input Output With Anti-reverse Protection

Modbus Relay Module 1/2/4Way RS485/TTL Communication Modbus-RTU Switch Signal Input Output With Anti-reverse Protection

$1.83$2.10

6 sold
71% off
4ch 500 Celsius PT100 Thermocouple RTD emperature Sensor RS485 Temperature Sensor Module Modbus RTU Board Paperless Recorder 4ch 500 Celsius PT100 Thermocouple RTD emperature Sensor RS485 Temperature Sensor Module Modbus RTU Board Paperless Recorder

4ch 500 Celsius PT100 Thermocouple RTD emperature Sensor RS485 Temperature Sensor Module Modbus RTU Board Paperless Recorder

$11.49$40.56

31 sold
5% off
Modbus-Rtu 1/2 Channel 7-24V Relay Module Switch Modbus RTU 4 Channel Relay Output 12V Switch Input 485 Communication TTL Pin He Modbus-Rtu 1/2 Channel 7-24V Relay Module Switch Modbus RTU 4 Channel Relay Output 12V Switch Input 485 Communication TTL Pin He

Modbus-Rtu 1/2 Channel 7-24V Relay Module Switch Modbus RTU 4 Channel Relay Output 12V Switch Input 485 Communication TTL Pin He

$2.37$2.50

1 sold
30% off
DC12-24V 5-Channel Tachometer Non-Contact Motor RPM Tachometer Hall Sense Stop Meter with modbus Function DC12-24V 5-Channel Tachometer Non-Contact Motor RPM Tachometer Hall Sense Stop Meter with modbus Function

DC12-24V 5-Channel Tachometer Non-Contact Motor RPM Tachometer Hall Sense Stop Meter with modbus Function

$1.41$2.01

11 sold
14CH Multifunction RS485 Network Bus NTC Temperature Collector 4AI-4DI-6DO Modbus RTU PLC Remote IO Analog Digital Expander 14CH Multifunction RS485 Network Bus NTC Temperature Collector 4AI-4DI-6DO Modbus RTU PLC Remote IO Analog Digital Expander

14CH Multifunction RS485 Network Bus NTC Temperature Collector 4AI-4DI-6DO Modbus RTU PLC Remote IO Analog Digital Expander

$65.21$65.21

13 sold
Modbus-Rtu 1/2 Channel 7-24V Relay Module Switch Modbus RTU 4 Channel Relay Output 12V Switch Input 485 Communication TTL Pin He Modbus-Rtu 1/2 Channel 7-24V Relay Module Switch Modbus RTU 4 Channel Relay Output 12V Switch Input 485 Communication TTL Pin He

Modbus-Rtu 1/2 Channel 7-24V Relay Module Switch Modbus RTU 4 Channel Relay Output 12V Switch Input 485 Communication TTL Pin He

$27.23$27.23

2 sold
50% off
DC 5V 12V 24V RS485 Digital Tube Characters LED Display Module Modbus RTU for PLC Configuration Software Configuration Software DC 5V 12V 24V RS485 Digital Tube Characters LED Display Module Modbus RTU for PLC Configuration Software Configuration Software

DC 5V 12V 24V RS485 Digital Tube Characters LED Display Module Modbus RTU for PLC Configuration Software Configuration Software

$32.16$64.33

13 sold
1CH 500 Celsius PT100 Thermocouple RTD emperature Sensor RS485 Temperature Sensor Module Modbus RTU Board Paperless Recorder 1CH 500 Celsius PT100 Thermocouple RTD emperature Sensor RS485 Temperature Sensor Module Modbus RTU Board Paperless Recorder

1CH 500 Celsius PT100 Thermocouple RTD emperature Sensor RS485 Temperature Sensor Module Modbus RTU Board Paperless Recorder

$1.33$1.33

39 sold
67% off
7-24V 1/2/4/8 Channel Relay Module Switch Modbus RTU RS485/TTL Communication Input Output W/ Anti-reverse Protection 7-24V 1/2/4/8 Channel Relay Module Switch Modbus RTU RS485/TTL Communication Input Output W/ Anti-reverse Protection

7-24V 1/2/4/8 Channel Relay Module Switch Modbus RTU RS485/TTL Communication Input Output W/ Anti-reverse Protection

$0.99$3.00

2 sold
14% off
1 Channel Modbus RTU Single Relay Module RS232/TTL UART DC7-24V Board Power Supply for Home Appliance Accessories 1 Channel Modbus RTU Single Relay Module RS232/TTL UART DC7-24V Board Power Supply for Home Appliance Accessories

1 Channel Modbus RTU Single Relay Module RS232/TTL UART DC7-24V Board Power Supply for Home Appliance Accessories

$2.99$3.48

1 sold
59% off
Temperature and Humidity Transmitter Modbus SHT40 Sensor Module High Precision Temperature and Humidity Monitoring RS Temperature and Humidity Transmitter Modbus SHT40 Sensor Module High Precision Temperature and Humidity Monitoring RS

Temperature and Humidity Transmitter Modbus SHT40 Sensor Module High Precision Temperature and Humidity Monitoring RS

$19.51$48.58

4 sold
25% off
Modbus RTU Relay Module 1 2 4 Channel 7-24V RS485 TTL UART Output 12V Input 485 Communication TTL Pin Modbus-Rtu Anti-reverse Modbus RTU Relay Module 1 2 4 Channel 7-24V RS485 TTL UART Output 12V Input 485 Communication TTL Pin Modbus-Rtu Anti-reverse

Modbus RTU Relay Module 1 2 4 Channel 7-24V RS485 TTL UART Output 12V Input 485 Communication TTL Pin Modbus-Rtu Anti-reverse

$0.94$1.25

13 sold
71% off
VHF/UHF Radio 426MHz~508.5MHz Wide Range RF UART RS485 Wireless Transceiver Board Modbus RTU Master-Slave Module DC 12V 24V VHF/UHF Radio 426MHz~508.5MHz Wide Range RF UART RS485 Wireless Transceiver Board Modbus RTU Master-Slave Module DC 12V 24V

VHF/UHF Radio 426MHz~508.5MHz Wide Range RF UART RS485 Wireless Transceiver Board Modbus RTU Master-Slave Module DC 12V 24V

$153.43$534.17

195 sold
Modbus-Rtu 1/2 Channel 7-24V Relay Module Switch Modbus RTU 4 Channel Relay Output 12V Switch Input 485 Communication TTL Pin He Modbus-Rtu 1/2 Channel 7-24V Relay Module Switch Modbus RTU 4 Channel Relay Output 12V Switch Input 485 Communication TTL Pin He

Modbus-Rtu 1/2 Channel 7-24V Relay Module Switch Modbus RTU 4 Channel Relay Output 12V Switch Input 485 Communication TTL Pin He

$3.63$3.63

13 sold
72% off
DC 12V 24V 8 Isolated Input & 8 Output DIN35 C45 Rail Box UART RS485 Relay Module Modbus RTU Control Switch Board DC 12V 24V 8 Isolated Input & 8 Output DIN35 C45 Rail Box UART RS485 Relay Module Modbus RTU Control Switch Board

DC 12V 24V 8 Isolated Input & 8 Output DIN35 C45 Rail Box UART RS485 Relay Module Modbus RTU Control Switch Board

$112.02$400.56

43 sold
74% off
High Precision SHT20 Modbus RS485 Temperature Humidity Transmitter Monitoring Sensor High Precision SHT20 Modbus RS485 Temperature Humidity Transmitter Monitoring Sensor

High Precision SHT20 Modbus RS485 Temperature Humidity Transmitter Monitoring Sensor

$0.99$3.82

30 sold
16ch Multifunction RS485 Relay NPN PNP IO Control Core Board Modbus Rtu & AT Command Module 16ch Multifunction RS485 Relay NPN PNP IO Control Core Board Modbus Rtu & AT Command Module

16ch Multifunction RS485 Relay NPN PNP IO Control Core Board Modbus Rtu & AT Command Module

$5.65$5.65

9 sold
Modbus-Rtu 8 Channel Optocoupler Isolation 12V Relay Module Switch Modbus RTU Relay Output Switch RS485/TTL Communication

Modbus-Rtu 8 Channel Optocoupler Isolation 12V Relay Module Switch Modbus RTU Relay Output Switch RS485/TTL Communication

$6.04$6.04

9 sold
5% off
-20-400 Celsius PT100 Thermocouple Temperature Detector RTD Sensor Tester Converter RS485 Modbus Rtu -20-400 Celsius PT100 Thermocouple Temperature Detector RTD Sensor Tester Converter RS485 Modbus Rtu

-20-400 Celsius PT100 Thermocouple Temperature Detector RTD Sensor Tester Converter RS485 Modbus Rtu

$0.94$0.99

22 sold
47% off
1 2 4 Channel Way Modbus Relay Module Switch Modbus RTU Input RS485/TTL Communication Smart Remote Control 1 2 4 Channel Way Modbus Relay Module Switch Modbus RTU Input RS485/TTL Communication Smart Remote Control

1 2 4 Channel Way Modbus Relay Module Switch Modbus RTU Input RS485/TTL Communication Smart Remote Control

$2.09$3.94

3 sold
84% off
DC 5V 12V 24V RS485 Digital Tube Characters LED Display Module Modbus RTU for PLC Configuration Software Configuration Software DC 5V 12V 24V RS485 Digital Tube Characters LED Display Module Modbus RTU for PLC Configuration Software Configuration Software

DC 5V 12V 24V RS485 Digital Tube Characters LED Display Module Modbus RTU for PLC Configuration Software Configuration Software

$26.14$165.23

57 sold
73% off
Modbus-Rtu 1/2 Channel 7-24V Relay Module Switch Modbus RTU 4 Channel Relay Output 12V Switch Input 485 Communication TTL Pin He Modbus-Rtu 1/2 Channel 7-24V Relay Module Switch Modbus RTU 4 Channel Relay Output 12V Switch Input 485 Communication TTL Pin He

Modbus-Rtu 1/2 Channel 7-24V Relay Module Switch Modbus RTU 4 Channel Relay Output 12V Switch Input 485 Communication TTL Pin He

$0.99$3.67

8 sold
93% off
Modbus-Rtu 1/2 Channel 7-24V Relay Module Switch Modbus RTU 4 Channel Relay Output 12V Switch Input 485 Communication TTL Pin He Modbus-Rtu 1/2 Channel 7-24V Relay Module Switch Modbus RTU 4 Channel Relay Output 12V Switch Input 485 Communication TTL Pin He

Modbus-Rtu 1/2 Channel 7-24V Relay Module Switch Modbus RTU 4 Channel Relay Output 12V Switch Input 485 Communication TTL Pin He

$7.26$104.90

40 sold
56% off
8CH Multipurpose RS485 Modbus Rtu Digital IO Module 141R Spring Terminal Block Master-slave Digital Collection Control R4SLS08 8CH Multipurpose RS485 Modbus Rtu Digital IO Module 141R Spring Terminal Block Master-slave Digital Collection Control R4SLS08

8CH Multipurpose RS485 Modbus Rtu Digital IO Module 141R Spring Terminal Block Master-slave Digital Collection Control R4SLS08

$3.04$7.04

24 sold
52% off
8AI-8DI-8DO Multifunction IO Expanding Module for ARDUINO NANO V3.0 RS485 Modbus RTU Open PLC LED Current Voltage Sensor 8AI-8DI-8DO Multifunction IO Expanding Module for ARDUINO NANO V3.0 RS485 Modbus RTU Open PLC LED Current Voltage Sensor

8AI-8DI-8DO Multifunction IO Expanding Module for ARDUINO NANO V3.0 RS485 Modbus RTU Open PLC LED Current Voltage Sensor

$25.85$54.92

30 sold
64% off
mini 5V RS485 to TTL Converter Module UART to RS485 Converter SP485EE for Smart home MODBUS RTU Control mini 5V RS485 to TTL Converter Module UART to RS485 Converter SP485EE for Smart home MODBUS RTU Control

mini 5V RS485 to TTL Converter Module UART to RS485 Converter SP485EE for Smart home MODBUS RTU Control

$0.99$2.77

7 sold
13% off
DC 7-24V Modbus Rtu7 4 Way 8 Way Relay Module Switch Input Output RS485/TTL Interface Signal Detection Anti-reverse Connection DC 7-24V Modbus Rtu7 4 Way 8 Way Relay Module Switch Input Output RS485/TTL Interface Signal Detection Anti-reverse Connection

DC 7-24V Modbus Rtu7 4 Way 8 Way Relay Module Switch Input Output RS485/TTL Interface Signal Detection Anti-reverse Connection

$3.69$4.24

2 sold
34% off
DC 12V 24V 16 Input 16 Output RS485 Remote Control Switch PLC IO expansion Board 03 06 16 Modbus RTU Module DC 12V 24V 16 Input 16 Output RS485 Remote Control Switch PLC IO expansion Board 03 06 16 Modbus RTU Module

DC 12V 24V 16 Input 16 Output RS485 Remote Control Switch PLC IO expansion Board 03 06 16 Modbus RTU Module

$16.14$24.45

10 sold
Modbus-Rtu 1/2 Channel 7-24V Relay Module Switch Modbus RTU 4 Channel Relay Output 12V Switch Input 485 Communication TTL Pin He

Modbus-Rtu 1/2 Channel 7-24V Relay Module Switch Modbus RTU 4 Channel Relay Output 12V Switch Input 485 Communication TTL Pin He

$9.51$9.51

4 sold
13% off
DC 7 -30V 8 Channel Modbus RTU Relay Module RS485 TTL UART Communicate Board 8 Way Output Input for Arduino Power Control DC 7 -30V 8 Channel Modbus RTU Relay Module RS485 TTL UART Communicate Board 8 Way Output Input for Arduino Power Control

DC 7 -30V 8 Channel Modbus RTU Relay Module RS485 TTL UART Communicate Board 8 Way Output Input for Arduino Power Control

$6.45$7.41

4 sold
1 2 4 Channel Relay Module Switch WIFI Wireless Relay Modbus RTU Input RS485/TTL Communication Smart Remote Control for Phone 1 2 4 Channel Relay Module Switch WIFI Wireless Relay Modbus RTU Input RS485/TTL Communication Smart Remote Control for Phone

1 2 4 Channel Relay Module Switch WIFI Wireless Relay Modbus RTU Input RS485/TTL Communication Smart Remote Control for Phone

$16.00$16.00

1 sold
25% off
Modbus rtu 8 Channel Relay Module 485 TTL Communication 8-channel Input Relay Module Relay Output Board Module Modbus rtu 8 Channel Relay Module 485 TTL Communication 8-channel Input Relay Module Relay Output Board Module

Modbus rtu 8 Channel Relay Module 485 TTL Communication 8-channel Input Relay Module Relay Output Board Module

$17.44$23.25

9 sold
85% off
RS485 Modbus Water Proof Temperature Humidity Sensor Probe RS485 Modbus Water Proof Temperature Humidity Sensor Probe

RS485 Modbus Water Proof Temperature Humidity Sensor Probe

$22.68$154.02

46 sold
69% off
2ch Highly Integrated (12Bit ADC/Operational Amplifier/Voltage Reference) 4-20MA 0-5V 10V RS485 Modbus Collector Module 2ch Highly Integrated (12Bit ADC/Operational Amplifier/Voltage Reference) 4-20MA 0-5V 10V RS485 Modbus Collector Module

2ch Highly Integrated (12Bit ADC/Operational Amplifier/Voltage Reference) 4-20MA 0-5V 10V RS485 Modbus Collector Module

$0.99$3.29

117 sold
23% off
3 Ch 1Hz-20kHz PWM Square Wave Pulse Generator Module Duty Cycle Frequency Adjustable RS485/TTL232 Interface Modbus RTU Board 3 Ch 1Hz-20kHz PWM Square Wave Pulse Generator Module Duty Cycle Frequency Adjustable RS485/TTL232 Interface Modbus RTU Board

3 Ch 1Hz-20kHz PWM Square Wave Pulse Generator Module Duty Cycle Frequency Adjustable RS485/TTL232 Interface Modbus RTU Board

$2.16$2.81

7 sold
67% off
DC 12V 0-5V 0-10V Voltage Signal Generator DAC Converter Module RS485 Modbus RTU for PLC Measuring Instruments DC 12V 0-5V 0-10V Voltage Signal Generator DAC Converter Module RS485 Modbus RTU for PLC Measuring Instruments

DC 12V 0-5V 0-10V Voltage Signal Generator DAC Converter Module RS485 Modbus RTU for PLC Measuring Instruments

$1.96$5.96

23 sold
13% off
Modbus Relay Module 1/2/4Way RS485/TTL Communication Modbus-RTU Switch Signal Input Output With Anti-reverse Protection Modbus Relay Module 1/2/4Way RS485/TTL Communication Modbus-RTU Switch Signal Input Output With Anti-reverse Protection

Modbus Relay Module 1/2/4Way RS485/TTL Communication Modbus-RTU Switch Signal Input Output With Anti-reverse Protection

$1.83 $2.10

6 sold

Categories: Electronic Components & Supplies, Active Components

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71% off
4ch 500 Celsius PT100 Thermocouple RTD emperature Sensor RS485 Temperature Sensor Module Modbus RTU Board Paperless Recorder 4ch 500 Celsius PT100 Thermocouple RTD emperature Sensor RS485 Temperature Sensor Module Modbus RTU Board Paperless Recorder

4ch 500 Celsius PT100 Thermocouple RTD emperature Sensor RS485 Temperature Sensor Module Modbus RTU Board Paperless Recorder

$11.49 $40.56

31 sold

Categories: Electronic Components & Supplies, Active Components

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5% off
Modbus-Rtu 1/2 Channel 7-24V Relay Module Switch Modbus RTU 4 Channel Relay Output 12V Switch Input 485 Communication TTL Pin He Modbus-Rtu 1/2 Channel 7-24V Relay Module Switch Modbus RTU 4 Channel Relay Output 12V Switch Input 485 Communication TTL Pin He

Modbus-Rtu 1/2 Channel 7-24V Relay Module Switch Modbus RTU 4 Channel Relay Output 12V Switch Input 485 Communication TTL Pin He

$2.37 $2.50

1 sold

Categories: Electronic Components & Supplies, Active Components

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30% off
DC12-24V 5-Channel Tachometer Non-Contact Motor RPM Tachometer Hall Sense Stop Meter with modbus Function DC12-24V 5-Channel Tachometer Non-Contact Motor RPM Tachometer Hall Sense Stop Meter with modbus Function

DC12-24V 5-Channel Tachometer Non-Contact Motor RPM Tachometer Hall Sense Stop Meter with modbus Function

$1.41 $2.01

11 sold

Categories: Electronic Components & Supplies, Active Components

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14CH Multifunction RS485 Network Bus NTC Temperature Collector 4AI-4DI-6DO Modbus RTU PLC Remote IO Analog Digital Expander 14CH Multifunction RS485 Network Bus NTC Temperature Collector 4AI-4DI-6DO Modbus RTU PLC Remote IO Analog Digital Expander

14CH Multifunction RS485 Network Bus NTC Temperature Collector 4AI-4DI-6DO Modbus RTU PLC Remote IO Analog Digital Expander

$65.21 $65.21

13 sold

Categories: Electronic Components & Supplies, Active Components

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Modbus-Rtu 1/2 Channel 7-24V Relay Module Switch Modbus RTU 4 Channel Relay Output 12V Switch Input 485 Communication TTL Pin He Modbus-Rtu 1/2 Channel 7-24V Relay Module Switch Modbus RTU 4 Channel Relay Output 12V Switch Input 485 Communication TTL Pin He

Modbus-Rtu 1/2 Channel 7-24V Relay Module Switch Modbus RTU 4 Channel Relay Output 12V Switch Input 485 Communication TTL Pin He

$27.23 $27.23

2 sold

Categories: Electronic Components & Supplies, Active Components

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50% off
DC 5V 12V 24V RS485 Digital Tube Characters LED Display Module Modbus RTU for PLC Configuration Software Configuration Software DC 5V 12V 24V RS485 Digital Tube Characters LED Display Module Modbus RTU for PLC Configuration Software Configuration Software

DC 5V 12V 24V RS485 Digital Tube Characters LED Display Module Modbus RTU for PLC Configuration Software Configuration Software

$32.16 $64.33

13 sold

Categories: Electronic Components & Supplies, Active Components

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1CH 500 Celsius PT100 Thermocouple RTD emperature Sensor RS485 Temperature Sensor Module Modbus RTU Board Paperless Recorder 1CH 500 Celsius PT100 Thermocouple RTD emperature Sensor RS485 Temperature Sensor Module Modbus RTU Board Paperless Recorder

1CH 500 Celsius PT100 Thermocouple RTD emperature Sensor RS485 Temperature Sensor Module Modbus RTU Board Paperless Recorder

$1.33 $1.33

39 sold

Categories: Electronic Components & Supplies, Active Components

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67% off
7-24V 1/2/4/8 Channel Relay Module Switch Modbus RTU RS485/TTL Communication Input Output W/ Anti-reverse Protection 7-24V 1/2/4/8 Channel Relay Module Switch Modbus RTU RS485/TTL Communication Input Output W/ Anti-reverse Protection

7-24V 1/2/4/8 Channel Relay Module Switch Modbus RTU RS485/TTL Communication Input Output W/ Anti-reverse Protection

$0.99 $3.00

2 sold

Categories: Electronic Components & Supplies, Active Components

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14% off
1 Channel Modbus RTU Single Relay Module RS232/TTL UART DC7-24V Board Power Supply for Home Appliance Accessories 1 Channel Modbus RTU Single Relay Module RS232/TTL UART DC7-24V Board Power Supply for Home Appliance Accessories

1 Channel Modbus RTU Single Relay Module RS232/TTL UART DC7-24V Board Power Supply for Home Appliance Accessories

$2.99 $3.48

1 sold

Categories: Electronic Components & Supplies, Active Components

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59% off
Temperature and Humidity Transmitter Modbus SHT40 Sensor Module High Precision Temperature and Humidity Monitoring RS Temperature and Humidity Transmitter Modbus SHT40 Sensor Module High Precision Temperature and Humidity Monitoring RS

Temperature and Humidity Transmitter Modbus SHT40 Sensor Module High Precision Temperature and Humidity Monitoring RS

$19.51 $48.58

4 sold

Categories: Electronic Components & Supplies, Active Components

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25% off
Modbus RTU Relay Module 1 2 4 Channel 7-24V RS485 TTL UART Output 12V Input 485 Communication TTL Pin Modbus-Rtu Anti-reverse Modbus RTU Relay Module 1 2 4 Channel 7-24V RS485 TTL UART Output 12V Input 485 Communication TTL Pin Modbus-Rtu Anti-reverse

Modbus RTU Relay Module 1 2 4 Channel 7-24V RS485 TTL UART Output 12V Input 485 Communication TTL Pin Modbus-Rtu Anti-reverse

$0.94 $1.25

13 sold

Categories: Electronic Components & Supplies, Active Components

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71% off
VHF/UHF Radio 426MHz~508.5MHz Wide Range RF UART RS485 Wireless Transceiver Board Modbus RTU Master-Slave Module DC 12V 24V VHF/UHF Radio 426MHz~508.5MHz Wide Range RF UART RS485 Wireless Transceiver Board Modbus RTU Master-Slave Module DC 12V 24V

VHF/UHF Radio 426MHz~508.5MHz Wide Range RF UART RS485 Wireless Transceiver Board Modbus RTU Master-Slave Module DC 12V 24V

$153.43 $534.17

195 sold

Categories: Electronic Components & Supplies, Active Components

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Modbus-Rtu 1/2 Channel 7-24V Relay Module Switch Modbus RTU 4 Channel Relay Output 12V Switch Input 485 Communication TTL Pin He Modbus-Rtu 1/2 Channel 7-24V Relay Module Switch Modbus RTU 4 Channel Relay Output 12V Switch Input 485 Communication TTL Pin He

Modbus-Rtu 1/2 Channel 7-24V Relay Module Switch Modbus RTU 4 Channel Relay Output 12V Switch Input 485 Communication TTL Pin He

$3.63 $3.63

13 sold

Categories: Electronic Components & Supplies, Active Components

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72% off
DC 12V 24V 8 Isolated Input & 8 Output DIN35 C45 Rail Box UART RS485 Relay Module Modbus RTU Control Switch Board DC 12V 24V 8 Isolated Input & 8 Output DIN35 C45 Rail Box UART RS485 Relay Module Modbus RTU Control Switch Board

DC 12V 24V 8 Isolated Input & 8 Output DIN35 C45 Rail Box UART RS485 Relay Module Modbus RTU Control Switch Board

$112.02 $400.56

43 sold

Categories: Electronic Components & Supplies, Active Components

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74% off
High Precision SHT20 Modbus RS485 Temperature Humidity Transmitter Monitoring Sensor High Precision SHT20 Modbus RS485 Temperature Humidity Transmitter Monitoring Sensor

High Precision SHT20 Modbus RS485 Temperature Humidity Transmitter Monitoring Sensor

$0.99 $3.82

30 sold

Categories: Electronic Components & Supplies, Active Components

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16ch Multifunction RS485 Relay NPN PNP IO Control Core Board Modbus Rtu & AT Command Module 16ch Multifunction RS485 Relay NPN PNP IO Control Core Board Modbus Rtu & AT Command Module

16ch Multifunction RS485 Relay NPN PNP IO Control Core Board Modbus Rtu & AT Command Module

$5.65 $5.65

9 sold

Categories: Electronic Components & Supplies, Active Components

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Modbus-Rtu 8 Channel Optocoupler Isolation 12V Relay Module Switch Modbus RTU Relay Output Switch RS485/TTL Communication

Modbus-Rtu 8 Channel Optocoupler Isolation 12V Relay Module Switch Modbus RTU Relay Output Switch RS485/TTL Communication

$6.04 $6.04

9 sold

Categories: Electronic Components & Supplies, Active Components

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5% off
-20-400 Celsius PT100 Thermocouple Temperature Detector RTD Sensor Tester Converter RS485 Modbus Rtu -20-400 Celsius PT100 Thermocouple Temperature Detector RTD Sensor Tester Converter RS485 Modbus Rtu

-20-400 Celsius PT100 Thermocouple Temperature Detector RTD Sensor Tester Converter RS485 Modbus Rtu

$0.94 $0.99

22 sold

Categories: Electronic Components & Supplies, Active Components

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47% off
1 2 4 Channel Way Modbus Relay Module Switch Modbus RTU Input RS485/TTL Communication Smart Remote Control 1 2 4 Channel Way Modbus Relay Module Switch Modbus RTU Input RS485/TTL Communication Smart Remote Control

1 2 4 Channel Way Modbus Relay Module Switch Modbus RTU Input RS485/TTL Communication Smart Remote Control

$2.09 $3.94

3 sold

Categories: Electronic Components & Supplies, Active Components

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84% off
DC 5V 12V 24V RS485 Digital Tube Characters LED Display Module Modbus RTU for PLC Configuration Software Configuration Software DC 5V 12V 24V RS485 Digital Tube Characters LED Display Module Modbus RTU for PLC Configuration Software Configuration Software

DC 5V 12V 24V RS485 Digital Tube Characters LED Display Module Modbus RTU for PLC Configuration Software Configuration Software

$26.14 $165.23

57 sold

Categories: Electronic Components & Supplies, Active Components

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73% off
Modbus-Rtu 1/2 Channel 7-24V Relay Module Switch Modbus RTU 4 Channel Relay Output 12V Switch Input 485 Communication TTL Pin He Modbus-Rtu 1/2 Channel 7-24V Relay Module Switch Modbus RTU 4 Channel Relay Output 12V Switch Input 485 Communication TTL Pin He

Modbus-Rtu 1/2 Channel 7-24V Relay Module Switch Modbus RTU 4 Channel Relay Output 12V Switch Input 485 Communication TTL Pin He

$0.99 $3.67

8 sold

Categories: Electronic Components & Supplies, Active Components

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93% off
Modbus-Rtu 1/2 Channel 7-24V Relay Module Switch Modbus RTU 4 Channel Relay Output 12V Switch Input 485 Communication TTL Pin He Modbus-Rtu 1/2 Channel 7-24V Relay Module Switch Modbus RTU 4 Channel Relay Output 12V Switch Input 485 Communication TTL Pin He

Modbus-Rtu 1/2 Channel 7-24V Relay Module Switch Modbus RTU 4 Channel Relay Output 12V Switch Input 485 Communication TTL Pin He

$7.26 $104.90

40 sold

Categories: Electronic Components & Supplies, Active Components

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56% off
8CH Multipurpose RS485 Modbus Rtu Digital IO Module 141R Spring Terminal Block Master-slave Digital Collection Control R4SLS08 8CH Multipurpose RS485 Modbus Rtu Digital IO Module 141R Spring Terminal Block Master-slave Digital Collection Control R4SLS08

8CH Multipurpose RS485 Modbus Rtu Digital IO Module 141R Spring Terminal Block Master-slave Digital Collection Control R4SLS08

$3.04 $7.04

24 sold

Categories: Electronic Components & Supplies, Active Components

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52% off
8AI-8DI-8DO Multifunction IO Expanding Module for ARDUINO NANO V3.0 RS485 Modbus RTU Open PLC LED Current Voltage Sensor 8AI-8DI-8DO Multifunction IO Expanding Module for ARDUINO NANO V3.0 RS485 Modbus RTU Open PLC LED Current Voltage Sensor

8AI-8DI-8DO Multifunction IO Expanding Module for ARDUINO NANO V3.0 RS485 Modbus RTU Open PLC LED Current Voltage Sensor

$25.85 $54.92

30 sold

Categories: Electronic Components & Supplies, Active Components

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64% off
mini 5V RS485 to TTL Converter Module UART to RS485 Converter SP485EE for Smart home MODBUS RTU Control mini 5V RS485 to TTL Converter Module UART to RS485 Converter SP485EE for Smart home MODBUS RTU Control

mini 5V RS485 to TTL Converter Module UART to RS485 Converter SP485EE for Smart home MODBUS RTU Control

$0.99 $2.77

7 sold

Categories: Electronic Components & Supplies, Active Components

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13% off
DC 7-24V Modbus Rtu7 4 Way 8 Way Relay Module Switch Input Output RS485/TTL Interface Signal Detection Anti-reverse Connection DC 7-24V Modbus Rtu7 4 Way 8 Way Relay Module Switch Input Output RS485/TTL Interface Signal Detection Anti-reverse Connection

DC 7-24V Modbus Rtu7 4 Way 8 Way Relay Module Switch Input Output RS485/TTL Interface Signal Detection Anti-reverse Connection

$3.69 $4.24

2 sold

Categories: Electronic Components & Supplies, Active Components

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34% off
DC 12V 24V 16 Input 16 Output RS485 Remote Control Switch PLC IO expansion Board 03 06 16 Modbus RTU Module DC 12V 24V 16 Input 16 Output RS485 Remote Control Switch PLC IO expansion Board 03 06 16 Modbus RTU Module

DC 12V 24V 16 Input 16 Output RS485 Remote Control Switch PLC IO expansion Board 03 06 16 Modbus RTU Module

$16.14 $24.45

10 sold

Categories: Electronic Components & Supplies, Active Components

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Modbus-Rtu 1/2 Channel 7-24V Relay Module Switch Modbus RTU 4 Channel Relay Output 12V Switch Input 485 Communication TTL Pin He

Modbus-Rtu 1/2 Channel 7-24V Relay Module Switch Modbus RTU 4 Channel Relay Output 12V Switch Input 485 Communication TTL Pin He

$9.51 $9.51

4 sold

Categories: Electronic Components & Supplies, Active Components

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13% off
DC 7 -30V 8 Channel Modbus RTU Relay Module RS485 TTL UART Communicate Board 8 Way Output Input for Arduino Power Control DC 7 -30V 8 Channel Modbus RTU Relay Module RS485 TTL UART Communicate Board 8 Way Output Input for Arduino Power Control

DC 7 -30V 8 Channel Modbus RTU Relay Module RS485 TTL UART Communicate Board 8 Way Output Input for Arduino Power Control

$6.45 $7.41

4 sold

Categories: Electronic Components & Supplies, Active Components

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1 2 4 Channel Relay Module Switch WIFI Wireless Relay Modbus RTU Input RS485/TTL Communication Smart Remote Control for Phone 1 2 4 Channel Relay Module Switch WIFI Wireless Relay Modbus RTU Input RS485/TTL Communication Smart Remote Control for Phone

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