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4% off
Industrial-Grade Isolated 2-Ch RS485 Hub, Rail-Mount Support, Wide Baud Rate Range,With Isolation And Signal Relay Industrial-Grade Isolated 2-Ch RS485 Hub, Rail-Mount Support, Wide Baud Rate Range,With Isolation And Signal Relay

Industrial-Grade Isolated 2-Ch RS485 Hub, Rail-Mount Support, Wide Baud Rate Range,With Isolation And Signal Relay

$18.23$18.99

20% off
Multi‑Interface Learning Development Board, Experiment Platform with CAN RS485 RS232 ADC DAC Audio Stepper DC Motor Relay LCD Multi‑Interface Learning Development Board, Experiment Platform with CAN RS485 RS232 ADC DAC Audio Stepper DC Motor Relay LCD

Multi‑Interface Learning Development Board, Experiment Platform with CAN RS485 RS232 ADC DAC Audio Stepper DC Motor Relay LCD

$296.00$370.00

55% off
1 Channel 5V Relay Module for Arduino PIC AVR ARM DSP SRD-05VDC-SL-C Low Level Trigger Relay Board for Smart Home & DIY 1 Channel 5V Relay Module for Arduino PIC AVR ARM DSP SRD-05VDC-SL-C Low Level Trigger Relay Board for Smart Home & DIY

1 Channel 5V Relay Module for Arduino PIC AVR ARM DSP SRD-05VDC-SL-C Low Level Trigger Relay Board for Smart Home & DIY

$55.09$122.43

Raspberry Pi Pico 2 RP2350 industrial 6-ch Relay RS485 isolation protection Waveshare RP2350-Relay-6CH WIFI Option Raspberry Pi Pico 2 RP2350 industrial 6-ch Relay RS485 isolation protection Waveshare RP2350-Relay-6CH WIFI Option

Raspberry Pi Pico 2 RP2350 industrial 6-ch Relay RS485 isolation protection Waveshare RP2350-Relay-6CH WIFI Option

$39.88$39.88

4% off
Industrial Modbus RTU 4-Ch Relay Module With RS485 Interface,30A High Current,LED Indicators,Multi Isolation Protection Circuits Industrial Modbus RTU 4-Ch Relay Module With RS485 Interface,30A High Current,LED Indicators,Multi Isolation Protection Circuits

Industrial Modbus RTU 4-Ch Relay Module With RS485 Interface,30A High Current,LED Indicators,Multi Isolation Protection Circuits

$38.39$39.99

8% off
LILY Pi ESP32 WIFI Bluetooth 3.5 inch capacitive touch screen 5V relay USB expansion port for Arduino LILY Pi ESP32 WIFI Bluetooth 3.5 inch capacitive touch screen 5V relay USB expansion port for Arduino

LILY Pi ESP32 WIFI Bluetooth 3.5 inch capacitive touch screen 5V relay USB expansion port for Arduino

$338.89$368.36

Waveshare Modbus RTU 16-Ch Relay Module, RS485 Interface, With Multiple Isolation Protection Circuits Waveshare Modbus RTU 16-Ch Relay Module, RS485 Interface, With Multiple Isolation Protection Circuits

Waveshare Modbus RTU 16-Ch Relay Module, RS485 Interface, With Multiple Isolation Protection Circuits

$426.21$426.21

Apple Android BLE Switch 2-way Relay Mobile Wireless Remote Control Bluetooth Door Opening Module ZLRC02 Apple Android BLE Switch 2-way Relay Mobile Wireless Remote Control Bluetooth Door Opening Module ZLRC02

Apple Android BLE Switch 2-way Relay Mobile Wireless Remote Control Bluetooth Door Opening Module ZLRC02

$69.50$69.50

75% off
Expansion Board Power Relays Module for A+ 3A+ 2B 3B 3B+ Relays X37A Expansion Board Power Relays Module for A+ 3A+ 2B 3B 3B+ Relays X37A

Expansion Board Power Relays Module for A+ 3A+ 2B 3B 3B+ Relays X37A

$203.65$814.61

30% off
16-Channel RS485 Relays Module with Modbus RTU Control Home Control Switch Board for PTZ Camera and Motor Control 16-Channel RS485 Relays Module with Modbus RTU Control Home Control Switch Board for PTZ Camera and Motor Control

16-Channel RS485 Relays Module with Modbus RTU Control Home Control Switch Board for PTZ Camera and Motor Control

$117.21$167.45

15% off
FOR NI USB-6525 Solid-State Relay 8 DI Isolated Counter Channels 779640-01 60VDC 500mA SSR USB 2.0 DAQ Card Genuine FOR NI USB-6525 Solid-State Relay 8 DI Isolated Counter Channels 779640-01 60VDC 500mA SSR USB 2.0 DAQ Card Genuine

FOR NI USB-6525 Solid-State Relay 8 DI Isolated Counter Channels 779640-01 60VDC 500mA SSR USB 2.0 DAQ Card Genuine

$563.92$663.44

35% off
U55C Single Channel Relays Driver Board With Enhanceds Circuit Protections For Stable Transmission U55C Single Channel Relays Driver Board With Enhanceds Circuit Protections For Stable Transmission

U55C Single Channel Relays Driver Board With Enhanceds Circuit Protections For Stable Transmission

$17.33$26.66

Automatic relay networking LoRa data transmission radio 230M radio frequency wireless module long-distance E90-DTU Automatic relay networking LoRa data transmission radio 230M radio frequency wireless module long-distance E90-DTU

Automatic relay networking LoRa data transmission radio 230M radio frequency wireless module long-distance E90-DTU

$298.93$298.93

ESP32-S3 6-Channel WiFi Relay Module Industrial Grade with RS485 Bluetooth 10A 250VAC ESP32-S3 6-Channel WiFi Relay Module Industrial Grade with RS485 Bluetooth 10A 250VAC

ESP32-S3 6-Channel WiFi Relay Module Industrial Grade with RS485 Bluetooth 10A 250VAC

$324.98$324.98

8% off
Tindie Maker Go ESP32-C5-EVB Controller Board, RS485 Port with 4 Relays and 4 Opto-Isolated Inputs for Automation Projects Tindie Maker Go ESP32-C5-EVB Controller Board, RS485 Port with 4 Relays and 4 Opto-Isolated Inputs for Automation Projects

Tindie Maker Go ESP32-C5-EVB Controller Board, RS485 Port with 4 Relays and 4 Opto-Isolated Inputs for Automation Projects

$219.24$238.30

56% off
77JD ESP8266 ESP01S Compatible Relays Module with Mobile App Remote Access for Home 77JD ESP8266 ESP01S Compatible Relays Module with Mobile App Remote Access for Home

77JD ESP8266 ESP01S Compatible Relays Module with Mobile App Remote Access for Home

$4.89$11.12

2pcs Mini Single Phase Solid State Relay SSR Aluminum Heat Sink Dissipation Radiator Newest Rail Mount For 10A-40A Relay 2pcs Mini Single Phase Solid State Relay SSR Aluminum Heat Sink Dissipation Radiator Newest Rail Mount For 10A-40A Relay

2pcs Mini Single Phase Solid State Relay SSR Aluminum Heat Sink Dissipation Radiator Newest Rail Mount For 10A-40A Relay

$11.00$11.00

4Pcs Relay Module Single Channel 5V Control Relay Board for Avr Home Appliance Dc Ac Device Control 4Pcs Relay Module Single Channel 5V Control Relay Board for Avr Home Appliance Dc Ac Device Control

4Pcs Relay Module Single Channel 5V Control Relay Board for Avr Home Appliance Dc Ac Device Control

$58.64$58.64

18% off
For A+ 3A+ 2B 3B 3B+ Relays Expansion Card With Double Fan LEDs E65A For A+ 3A+ 2B 3B 3B+ Relays Expansion Card With Double Fan LEDs E65A

For A+ 3A+ 2B 3B 3B+ Relays Expansion Card With Double Fan LEDs E65A

$99.81$121.72

57% off
HDL 4 Channel Relay Module 30A DC7-28/5V WIFI Bluetooth Relay Module ESP32-WROOM Development Board HDL 4 Channel Relay Module 30A DC7-28/5V WIFI Bluetooth Relay Module ESP32-WROOM Development Board

HDL 4 Channel Relay Module 30A DC7-28/5V WIFI Bluetooth Relay Module ESP32-WROOM Development Board

$13.89$32.30

Waveshare Industrial Modbus RTU 8-ch Relay Module with RS485 Interface Multi Isolation Protection Circuits Waveshare Industrial Modbus RTU 8-ch Relay Module with RS485 Interface Multi Isolation Protection Circuits

Waveshare Industrial Modbus RTU 8-ch Relay Module with RS485 Interface Multi Isolation Protection Circuits

$46.45$46.45

44% off
HDL 3.3V-5V 1-Channel Relay Module Adjustable Resistance Sensor for Arduino Development Board HDL 3.3V-5V 1-Channel Relay Module Adjustable Resistance Sensor for Arduino Development Board

HDL 3.3V-5V 1-Channel Relay Module Adjustable Resistance Sensor for Arduino Development Board

$5.66$10.11

20% off
Electronic Experiment Development Board for Lab Teaching, with breadboard CAN RS485 Wi‑Fi Bluetooth OLED Relay ADC DAC TF‑Card Electronic Experiment Development Board for Lab Teaching, with breadboard CAN RS485 Wi‑Fi Bluetooth OLED Relay ADC DAC TF‑Card

Electronic Experiment Development Board for Lab Teaching, with breadboard CAN RS485 Wi‑Fi Bluetooth OLED Relay ADC DAC TF‑Card

$343.20$429.00

45% off
R4ROM01 Single Channel Efficient RS485 Relays Module for PTZ CCTV Camera Integration, Offers Mini Size R4ROM01 Single Channel Efficient RS485 Relays Module for PTZ CCTV Camera Integration, Offers Mini Size

R4ROM01 Single Channel Efficient RS485 Relays Module for PTZ CCTV Camera Integration, Offers Mini Size

$27.26$49.57

Single 3V Relay High Level Isolation Control Module Drive Board Single 3V Relay High Level Isolation Control Module Drive Board

Single 3V Relay High Level Isolation Control Module Drive Board

$9.96$9.96

One Relay Module Power Outage And Disconnection Trigger Delay Cycle Timing CircuitSwitch XY-LJ02 One Relay Module Power Outage And Disconnection Trigger Delay Cycle Timing CircuitSwitch XY-LJ02

One Relay Module Power Outage And Disconnection Trigger Delay Cycle Timing CircuitSwitch XY-LJ02

$35.59$35.59

Bulk Package PCI-1760U 8-channel relay IDI counter PCI-1760U-BE Data acquisition card PCI-1760U REV.B1 Bulk Package PCI-1760U 8-channel relay IDI counter PCI-1760U-BE Data acquisition card PCI-1760U REV.B1

Bulk Package PCI-1760U 8-channel relay IDI counter PCI-1760U-BE Data acquisition card PCI-1760U REV.B1

$215.55$215.55

28% off
16 Channel Isolated Digital Input 16 Channel Relay Output PCI-1762 REV.A1 16 Channel Isolated Digital Input 16 Channel Relay Output PCI-1762 REV.A1

16 Channel Isolated Digital Input 16 Channel Relay Output PCI-1762 REV.A1

$338.40$470.00

4% off
Industrial 1-Channel ESP32-S3 WiFi Relay Module,Supports Wi-Fi/Bluetooth,RS485,With Multiple Isolation Protection Circuits Industrial 1-Channel ESP32-S3 WiFi Relay Module,Supports Wi-Fi/Bluetooth,RS485,With Multiple Isolation Protection Circuits

Industrial 1-Channel ESP32-S3 WiFi Relay Module,Supports Wi-Fi/Bluetooth,RS485,With Multiple Isolation Protection Circuits

$24.95$25.99

5% off
Waveshare Industrial 8-Ch ESP32-S3 WiFi Relay. Features Isolated CAN, Dual-core Xtensa LX7 CPU, and robust isolation protection. Waveshare Industrial 8-Ch ESP32-S3 WiFi Relay. Features Isolated CAN, Dual-core Xtensa LX7 CPU, and robust isolation protection.

Waveshare Industrial 8-Ch ESP32-S3 WiFi Relay. Features Isolated CAN, Dual-core Xtensa LX7 CPU, and robust isolation protection.

$400.90$422.00

4% off
Industrial-Grade Isolated 4-Ch RS485 Hub,Expands 4-Ch RS485 Sub Ports Via 1-Ch RS485 Master Port,With Isolation And Signal Relay Industrial-Grade Isolated 4-Ch RS485 Hub,Expands 4-Ch RS485 Sub Ports Via 1-Ch RS485 Master Port,With Isolation And Signal Relay

Industrial-Grade Isolated 4-Ch RS485 Hub,Expands 4-Ch RS485 Sub Ports Via 1-Ch RS485 Master Port,With Isolation And Signal Relay

$24.95$25.99

ESP8266 5V WiFi Relay Intelligent Internet of Things Home Phone APP Remote Control Switch Wireless Module ESP8266 5V WiFi Relay Intelligent Internet of Things Home Phone APP Remote Control Switch Wireless Module

ESP8266 5V WiFi Relay Intelligent Internet of Things Home Phone APP Remote Control Switch Wireless Module

$29.18$29.18

Hot Sale High Quality Perfect job Stable Performance PCLD-885 16-channel Voltage Relay Output Terminal Power Terminal Board Hot Sale High Quality Perfect job Stable Performance PCLD-885 16-channel Voltage Relay Output Terminal Power Terminal Board

Hot Sale High Quality Perfect job Stable Performance PCLD-885 16-channel Voltage Relay Output Terminal Power Terminal Board

$270.88$270.88

Waveshare Modbus RTU 32-Ch Relay Module, RS485 Interface, With Multiple Isolation Protection Circuits Waveshare Modbus RTU 32-Ch Relay Module, RS485 Interface, With Multiple Isolation Protection Circuits

Waveshare Modbus RTU 32-Ch Relay Module, RS485 Interface, With Multiple Isolation Protection Circuits

$558.20$558.20

With Optocoupler Isolation 4 way Module single chip Microcomputer Expansion Control Board 5V relay output With Optocoupler Isolation 4 way Module single chip Microcomputer Expansion Control Board 5V relay output

With Optocoupler Isolation 4 way Module single chip Microcomputer Expansion Control Board 5V relay output

$11.00$11.00

Waveshare RP2350 Industrial Relay Module - 6-Channel with RS485 & Pico HAT Isolation Protection Waveshare RP2350 Industrial Relay Module - 6-Channel with RS485 & Pico HAT Isolation Protection

Waveshare RP2350 Industrial Relay Module - 6-Channel with RS485 & Pico HAT Isolation Protection

$390.79$390.79

4% off
Industrial-Grade Isolated 2-Ch RS485 Hub, Rail-Mount Support, Wide Baud Rate Range,With Isolation And Signal Relay Industrial-Grade Isolated 2-Ch RS485 Hub, Rail-Mount Support, Wide Baud Rate Range,With Isolation And Signal Relay

Industrial-Grade Isolated 2-Ch RS485 Hub, Rail-Mount Support, Wide Baud Rate Range,With Isolation And Signal Relay

$18.23 $18.99

Categories: Computer & Office, Computer Components

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20% off
Multi‑Interface Learning Development Board, Experiment Platform with CAN RS485 RS232 ADC DAC Audio Stepper DC Motor Relay LCD Multi‑Interface Learning Development Board, Experiment Platform with CAN RS485 RS232 ADC DAC Audio Stepper DC Motor Relay LCD

Multi‑Interface Learning Development Board, Experiment Platform with CAN RS485 RS232 ADC DAC Audio Stepper DC Motor Relay LCD

$296.00 $370.00

Categories: Computer & Office, Computer Components

Buy Now
55% off
1 Channel 5V Relay Module for Arduino PIC AVR ARM DSP SRD-05VDC-SL-C Low Level Trigger Relay Board for Smart Home & DIY 1 Channel 5V Relay Module for Arduino PIC AVR ARM DSP SRD-05VDC-SL-C Low Level Trigger Relay Board for Smart Home & DIY

1 Channel 5V Relay Module for Arduino PIC AVR ARM DSP SRD-05VDC-SL-C Low Level Trigger Relay Board for Smart Home & DIY

$55.09 $122.43

Categories: Computer & Office, Computer Components

Buy Now
Raspberry Pi Pico 2 RP2350 industrial 6-ch Relay RS485 isolation protection Waveshare RP2350-Relay-6CH WIFI Option Raspberry Pi Pico 2 RP2350 industrial 6-ch Relay RS485 isolation protection Waveshare RP2350-Relay-6CH WIFI Option

Raspberry Pi Pico 2 RP2350 industrial 6-ch Relay RS485 isolation protection Waveshare RP2350-Relay-6CH WIFI Option

$39.88 $39.88

Categories: Computer & Office, Computer Components

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4% off
Industrial Modbus RTU 4-Ch Relay Module With RS485 Interface,30A High Current,LED Indicators,Multi Isolation Protection Circuits Industrial Modbus RTU 4-Ch Relay Module With RS485 Interface,30A High Current,LED Indicators,Multi Isolation Protection Circuits

Industrial Modbus RTU 4-Ch Relay Module With RS485 Interface,30A High Current,LED Indicators,Multi Isolation Protection Circuits

$38.39 $39.99

Categories: Computer & Office, Computer Components

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8% off
LILY Pi ESP32 WIFI Bluetooth 3.5 inch capacitive touch screen 5V relay USB expansion port for Arduino LILY Pi ESP32 WIFI Bluetooth 3.5 inch capacitive touch screen 5V relay USB expansion port for Arduino

LILY Pi ESP32 WIFI Bluetooth 3.5 inch capacitive touch screen 5V relay USB expansion port for Arduino

$338.89 $368.36

Categories: Computer & Office, Computer Components

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Waveshare Modbus RTU 16-Ch Relay Module, RS485 Interface, With Multiple Isolation Protection Circuits Waveshare Modbus RTU 16-Ch Relay Module, RS485 Interface, With Multiple Isolation Protection Circuits

Waveshare Modbus RTU 16-Ch Relay Module, RS485 Interface, With Multiple Isolation Protection Circuits

$426.21 $426.21

Categories: Computer & Office, Computer Components

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Apple Android BLE Switch 2-way Relay Mobile Wireless Remote Control Bluetooth Door Opening Module ZLRC02 Apple Android BLE Switch 2-way Relay Mobile Wireless Remote Control Bluetooth Door Opening Module ZLRC02

Apple Android BLE Switch 2-way Relay Mobile Wireless Remote Control Bluetooth Door Opening Module ZLRC02

$69.50 $69.50

Categories: Computer & Office, Computer Components

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75% off
Expansion Board Power Relays Module for A+ 3A+ 2B 3B 3B+ Relays X37A Expansion Board Power Relays Module for A+ 3A+ 2B 3B 3B+ Relays X37A

Expansion Board Power Relays Module for A+ 3A+ 2B 3B 3B+ Relays X37A

$203.65 $814.61

Categories: Computer & Office, Computer Components

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30% off
16-Channel RS485 Relays Module with Modbus RTU Control Home Control Switch Board for PTZ Camera and Motor Control 16-Channel RS485 Relays Module with Modbus RTU Control Home Control Switch Board for PTZ Camera and Motor Control

16-Channel RS485 Relays Module with Modbus RTU Control Home Control Switch Board for PTZ Camera and Motor Control

$117.21 $167.45

Categories: Computer & Office, Computer Components

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15% off
FOR NI USB-6525 Solid-State Relay 8 DI Isolated Counter Channels 779640-01 60VDC 500mA SSR USB 2.0 DAQ Card Genuine FOR NI USB-6525 Solid-State Relay 8 DI Isolated Counter Channels 779640-01 60VDC 500mA SSR USB 2.0 DAQ Card Genuine

FOR NI USB-6525 Solid-State Relay 8 DI Isolated Counter Channels 779640-01 60VDC 500mA SSR USB 2.0 DAQ Card Genuine

$563.92 $663.44

Categories: Computer & Office, Computer Components

Buy Now
35% off
U55C Single Channel Relays Driver Board With Enhanceds Circuit Protections For Stable Transmission U55C Single Channel Relays Driver Board With Enhanceds Circuit Protections For Stable Transmission

U55C Single Channel Relays Driver Board With Enhanceds Circuit Protections For Stable Transmission

$17.33 $26.66

Categories: Computer & Office, Computer Components

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Automatic relay networking LoRa data transmission radio 230M radio frequency wireless module long-distance E90-DTU Automatic relay networking LoRa data transmission radio 230M radio frequency wireless module long-distance E90-DTU

Automatic relay networking LoRa data transmission radio 230M radio frequency wireless module long-distance E90-DTU

$298.93 $298.93

Categories: Computer & Office, Computer Components

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ESP32-S3 6-Channel WiFi Relay Module Industrial Grade with RS485 Bluetooth 10A 250VAC ESP32-S3 6-Channel WiFi Relay Module Industrial Grade with RS485 Bluetooth 10A 250VAC

ESP32-S3 6-Channel WiFi Relay Module Industrial Grade with RS485 Bluetooth 10A 250VAC

$324.98 $324.98

Categories: Computer & Office, Computer Components

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8% off
Tindie Maker Go ESP32-C5-EVB Controller Board, RS485 Port with 4 Relays and 4 Opto-Isolated Inputs for Automation Projects Tindie Maker Go ESP32-C5-EVB Controller Board, RS485 Port with 4 Relays and 4 Opto-Isolated Inputs for Automation Projects

Tindie Maker Go ESP32-C5-EVB Controller Board, RS485 Port with 4 Relays and 4 Opto-Isolated Inputs for Automation Projects

$219.24 $238.30

Categories: Computer & Office, Computer Components

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56% off
77JD ESP8266 ESP01S Compatible Relays Module with Mobile App Remote Access for Home 77JD ESP8266 ESP01S Compatible Relays Module with Mobile App Remote Access for Home

77JD ESP8266 ESP01S Compatible Relays Module with Mobile App Remote Access for Home

$4.89 $11.12

Categories: Computer & Office, Computer Components

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2pcs Mini Single Phase Solid State Relay SSR Aluminum Heat Sink Dissipation Radiator Newest Rail Mount For 10A-40A Relay 2pcs Mini Single Phase Solid State Relay SSR Aluminum Heat Sink Dissipation Radiator Newest Rail Mount For 10A-40A Relay

2pcs Mini Single Phase Solid State Relay SSR Aluminum Heat Sink Dissipation Radiator Newest Rail Mount For 10A-40A Relay

$11.00 $11.00

Categories: Computer & Office, Computer Components

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4Pcs Relay Module Single Channel 5V Control Relay Board for Avr Home Appliance Dc Ac Device Control 4Pcs Relay Module Single Channel 5V Control Relay Board for Avr Home Appliance Dc Ac Device Control

4Pcs Relay Module Single Channel 5V Control Relay Board for Avr Home Appliance Dc Ac Device Control

$58.64 $58.64

Categories: Computer & Office, Computer Components

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18% off
For A+ 3A+ 2B 3B 3B+ Relays Expansion Card With Double Fan LEDs E65A For A+ 3A+ 2B 3B 3B+ Relays Expansion Card With Double Fan LEDs E65A

For A+ 3A+ 2B 3B 3B+ Relays Expansion Card With Double Fan LEDs E65A

$99.81 $121.72

Categories: Computer & Office, Computer Components

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57% off
HDL 4 Channel Relay Module 30A DC7-28/5V WIFI Bluetooth Relay Module ESP32-WROOM Development Board HDL 4 Channel Relay Module 30A DC7-28/5V WIFI Bluetooth Relay Module ESP32-WROOM Development Board

HDL 4 Channel Relay Module 30A DC7-28/5V WIFI Bluetooth Relay Module ESP32-WROOM Development Board

$13.89 $32.30

Categories: Computer & Office, Computer Components

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Waveshare Industrial Modbus RTU 8-ch Relay Module with RS485 Interface Multi Isolation Protection Circuits Waveshare Industrial Modbus RTU 8-ch Relay Module with RS485 Interface Multi Isolation Protection Circuits

Waveshare Industrial Modbus RTU 8-ch Relay Module with RS485 Interface Multi Isolation Protection Circuits

$46.45 $46.45

Categories: Computer & Office, Computer Components

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44% off
HDL 3.3V-5V 1-Channel Relay Module Adjustable Resistance Sensor for Arduino Development Board HDL 3.3V-5V 1-Channel Relay Module Adjustable Resistance Sensor for Arduino Development Board

HDL 3.3V-5V 1-Channel Relay Module Adjustable Resistance Sensor for Arduino Development Board

$5.66 $10.11

Categories: Computer & Office, Computer Components

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20% off
Electronic Experiment Development Board for Lab Teaching, with breadboard CAN RS485 Wi‑Fi Bluetooth OLED Relay ADC DAC TF‑Card Electronic Experiment Development Board for Lab Teaching, with breadboard CAN RS485 Wi‑Fi Bluetooth OLED Relay ADC DAC TF‑Card

Electronic Experiment Development Board for Lab Teaching, with breadboard CAN RS485 Wi‑Fi Bluetooth OLED Relay ADC DAC TF‑Card

$343.20 $429.00

Categories: Computer & Office, Computer Components

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45% off
R4ROM01 Single Channel Efficient RS485 Relays Module for PTZ CCTV Camera Integration, Offers Mini Size R4ROM01 Single Channel Efficient RS485 Relays Module for PTZ CCTV Camera Integration, Offers Mini Size

R4ROM01 Single Channel Efficient RS485 Relays Module for PTZ CCTV Camera Integration, Offers Mini Size

$27.26 $49.57

Categories: Computer & Office, Computer Components

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Single 3V Relay High Level Isolation Control Module Drive Board Single 3V Relay High Level Isolation Control Module Drive Board

Single 3V Relay High Level Isolation Control Module Drive Board

$9.96 $9.96

Categories: Computer & Office, Computer Components

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One Relay Module Power Outage And Disconnection Trigger Delay Cycle Timing CircuitSwitch XY-LJ02 One Relay Module Power Outage And Disconnection Trigger Delay Cycle Timing CircuitSwitch XY-LJ02

One Relay Module Power Outage And Disconnection Trigger Delay Cycle Timing CircuitSwitch XY-LJ02

$35.59 $35.59

Categories: Computer & Office, Computer Components

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Bulk Package PCI-1760U 8-channel relay IDI counter PCI-1760U-BE Data acquisition card PCI-1760U REV.B1 Bulk Package PCI-1760U 8-channel relay IDI counter PCI-1760U-BE Data acquisition card PCI-1760U REV.B1

Bulk Package PCI-1760U 8-channel relay IDI counter PCI-1760U-BE Data acquisition card PCI-1760U REV.B1

$215.55 $215.55

Categories: Computer & Office, Computer Components

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28% off
16 Channel Isolated Digital Input 16 Channel Relay Output PCI-1762 REV.A1 16 Channel Isolated Digital Input 16 Channel Relay Output PCI-1762 REV.A1

16 Channel Isolated Digital Input 16 Channel Relay Output PCI-1762 REV.A1

$338.40 $470.00

Categories: Computer & Office, Computer Components

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4% off
Industrial 1-Channel ESP32-S3 WiFi Relay Module,Supports Wi-Fi/Bluetooth,RS485,With Multiple Isolation Protection Circuits Industrial 1-Channel ESP32-S3 WiFi Relay Module,Supports Wi-Fi/Bluetooth,RS485,With Multiple Isolation Protection Circuits

Industrial 1-Channel ESP32-S3 WiFi Relay Module,Supports Wi-Fi/Bluetooth,RS485,With Multiple Isolation Protection Circuits

$24.95 $25.99

Categories: Computer & Office, Computer Components

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5% off
Waveshare Industrial 8-Ch ESP32-S3 WiFi Relay. Features Isolated CAN, Dual-core Xtensa LX7 CPU, and robust isolation protection. Waveshare Industrial 8-Ch ESP32-S3 WiFi Relay. Features Isolated CAN, Dual-core Xtensa LX7 CPU, and robust isolation protection.

Waveshare Industrial 8-Ch ESP32-S3 WiFi Relay. Features Isolated CAN, Dual-core Xtensa LX7 CPU, and robust isolation protection.

$400.90 $422.00

Categories: Computer & Office, Computer Components

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4% off
Industrial-Grade Isolated 4-Ch RS485 Hub,Expands 4-Ch RS485 Sub Ports Via 1-Ch RS485 Master Port,With Isolation And Signal Relay Industrial-Grade Isolated 4-Ch RS485 Hub,Expands 4-Ch RS485 Sub Ports Via 1-Ch RS485 Master Port,With Isolation And Signal Relay

Industrial-Grade Isolated 4-Ch RS485 Hub,Expands 4-Ch RS485 Sub Ports Via 1-Ch RS485 Master Port,With Isolation And Signal Relay

$24.95 $25.99

Categories: Computer & Office, Computer Components

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ESP8266 5V WiFi Relay Intelligent Internet of Things Home Phone APP Remote Control Switch Wireless Module ESP8266 5V WiFi Relay Intelligent Internet of Things Home Phone APP Remote Control Switch Wireless Module

ESP8266 5V WiFi Relay Intelligent Internet of Things Home Phone APP Remote Control Switch Wireless Module

$29.18 $29.18

Categories: Computer & Office, Computer Components

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Hot Sale High Quality Perfect job Stable Performance PCLD-885 16-channel Voltage Relay Output Terminal Power Terminal Board Hot Sale High Quality Perfect job Stable Performance PCLD-885 16-channel Voltage Relay Output Terminal Power Terminal Board

Hot Sale High Quality Perfect job Stable Performance PCLD-885 16-channel Voltage Relay Output Terminal Power Terminal Board

$270.88 $270.88

Categories: Computer & Office, Computer Components

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Waveshare Modbus RTU 32-Ch Relay Module, RS485 Interface, With Multiple Isolation Protection Circuits Waveshare Modbus RTU 32-Ch Relay Module, RS485 Interface, With Multiple Isolation Protection Circuits

Waveshare Modbus RTU 32-Ch Relay Module, RS485 Interface, With Multiple Isolation Protection Circuits

$558.20 $558.20

Categories: Computer & Office, Computer Components

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With Optocoupler Isolation 4 way Module single chip Microcomputer Expansion Control Board 5V relay output With Optocoupler Isolation 4 way Module single chip Microcomputer Expansion Control Board 5V relay output

With Optocoupler Isolation 4 way Module single chip Microcomputer Expansion Control Board 5V relay output

$11.00 $11.00

Categories: Computer & Office, Computer Components

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Waveshare RP2350 Industrial Relay Module - 6-Channel with RS485 & Pico HAT Isolation Protection Waveshare RP2350 Industrial Relay Module - 6-Channel with RS485 & Pico HAT Isolation Protection

Waveshare RP2350 Industrial Relay Module - 6-Channel with RS485 & Pico HAT Isolation Protection

$390.79 $390.79

Categories: Computer & Office, Computer Components

Buy Now