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10% off
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 RTU Protocol, PoE Power Supply, With Various Isolation

Waveshare Dual Ethernet Ports 8-ch Relay Module (C), Modbus RTU Protocol, PoE Power Supply, With Various Isolation

$56.69$62.99

5 sold
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

ESP32-S3 Module WiFi Relay 1 Channel RS485 Bluetooth Smart Switch Industrial Automation DIN Rail Case Isolated Protection Board ESP32-S3 Module WiFi Relay 1 Channel RS485 Bluetooth Smart Switch Industrial Automation DIN Rail Case Isolated Protection Board

ESP32-S3 Module WiFi Relay 1 Channel RS485 Bluetooth Smart Switch Industrial Automation DIN Rail Case Isolated Protection Board

$179.30$179.30

51% 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

$59.99$122.43

51% off
Estardyn 5V 1/2/4/8CH G3MB-202P SSR Solid State Relay Module 240V 2A with Resistive Fuse for Home Automation DIY Estardyn 5V 1/2/4/8CH G3MB-202P SSR Solid State Relay Module 240V 2A with Resistive Fuse for Home Automation DIY

Estardyn 5V 1/2/4/8CH G3MB-202P SSR Solid State Relay Module 240V 2A with Resistive Fuse for Home Automation DIY

$26.07$53.21

14 sold
10% off
Industrial 8-Channel ESP32-S3 WiFi Relay Module, Onboard Isolated CAN Interface, Multiple Isolation Protection Circuits 32-bit Industrial 8-Channel ESP32-S3 WiFi Relay Module, Onboard Isolated CAN Interface, Multiple Isolation Protection Circuits 32-bit

Industrial 8-Channel ESP32-S3 WiFi Relay Module, Onboard Isolated CAN Interface, Multiple Isolation Protection Circuits 32-bit

$53.99$59.99

3 sold
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

$39.99$39.99

Grove-Relay High current 5V/10A small 1-way mechanical relay switch Arduino ,peak voltage capability 250V 10A Grove-Relay High current 5V/10A small 1-way mechanical relay switch Arduino ,peak voltage capability 250V 10A

Grove-Relay High current 5V/10A small 1-way mechanical relay switch Arduino ,peak voltage capability 250V 10A

$20.50$20.50

12 sold
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

Modbus RTU 8-ch Latching Relay Module (C) with RS485 Interface, Multi Isolation Protection Circuits, Rail-mounted Case Modbus RTU 8-ch Latching Relay Module (C) with RS485 Interface, Multi Isolation Protection Circuits, Rail-mounted Case

Modbus RTU 8-ch Latching Relay Module (C) with RS485 Interface, Multi Isolation Protection Circuits, Rail-mounted Case

$317.97$317.97

SZD07 DC Intelligent Digital Current Meter DC0-50A Current Induction Switch Linkage Switch Overload Protection Relay Output PLC SZD07 DC Intelligent Digital Current Meter DC0-50A Current Induction Switch Linkage Switch Overload Protection Relay Output PLC

SZD07 DC Intelligent Digital Current Meter DC0-50A Current Induction Switch Linkage Switch Overload Protection Relay Output PLC

$20.00$20.00

2 sold
10% off
Waveshare Industrial 1-Channel ESP32-S3 WiFi Relay Module, Supports WiFi / Bluetooth / RS485 Control, With Multiple Isolation Waveshare Industrial 1-Channel ESP32-S3 WiFi Relay Module, Supports WiFi / Bluetooth / RS485 Control, With Multiple Isolation

Waveshare Industrial 1-Channel ESP32-S3 WiFi Relay Module, Supports WiFi / Bluetooth / RS485 Control, With Multiple Isolation

$18.53$20.59

46 sold
HOT FRM01 Relay Module/Cycle/Self-Locking/Timing/Delay18 Functions CanBe Set MODULE

HOT FRM01 Relay Module/Cycle/Self-Locking/Timing/Delay18 Functions CanBe Set MODULE

$55.00$55.00

RPi Zero Relay,Industrial 6-Channel Relay Module for RPi Zero, RS485/CAN bus, power supply isolation, photocoupler isolation RPi Zero Relay,Industrial 6-Channel Relay Module for RPi Zero, RS485/CAN bus, power supply isolation, photocoupler isolation

RPi Zero Relay,Industrial 6-Channel Relay Module for RPi Zero, RS485/CAN bus, power supply isolation, photocoupler isolation

$39.99$39.99

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

$238.30$238.30

DDC-431 Digital LED Display Delay Controller Timer Delay Relay Switch DDC-431 Digital LED Display Delay Controller Timer Delay Relay Switch

DDC-431 Digital LED Display Delay Controller Timer Delay Relay Switch

$39.86$39.86

POE ETH RJ45 To 8-Ch Relay B Industrial Modbus RTU/Modbus TCP-Ethernet For IOT POE ETH RJ45 To 8-Ch Relay B Industrial Modbus RTU/Modbus TCP-Ethernet For IOT

POE ETH RJ45 To 8-Ch Relay B Industrial Modbus RTU/Modbus TCP-Ethernet For IOT

$56.19$56.19

1 sold
ESP32-P4 Smart 86 Box Development Board With 4inch 720x720 Pixel LCD Touch Display Ethemet port/RS485/2-ch relay/RISC-V 32-bit ESP32-P4 Smart 86 Box Development Board With 4inch 720x720 Pixel LCD Touch Display Ethemet port/RS485/2-ch relay/RISC-V 32-bit

ESP32-P4 Smart 86 Box Development Board With 4inch 720x720 Pixel LCD Touch Display Ethemet port/RS485/2-ch relay/RISC-V 32-bit

$447.02$447.02

3 sold
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 TouchScreen 720x720 RS485 Relay Camera RJ45 ETH

ESP32-P4 Smart 86 TV Box Development Board 4 inch Display TouchScreen 720x720 RS485 Relay Camera RJ45 ETH

$49.44$49.44

108 sold
10% off
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, With Various Isolation And Protection Circuits PoE Port

Waveshare 8-ch Ethernet Relay Module (B) With Digital Input, With Various Isolation And Protection Circuits PoE Port

$51.29$56.99

1 sold
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

ESP32-S3 Industrial 6-Channel WiFi Relay Module IOT WiFi Bluetooth RS485 Control Pico HAT Interface Built-In Protection Circuits ESP32-S3 Industrial 6-Channel WiFi Relay Module IOT WiFi Bluetooth RS485 Control Pico HAT Interface Built-In Protection Circuits

ESP32-S3 Industrial 6-Channel WiFi Relay Module IOT WiFi Bluetooth RS485 Control Pico HAT Interface Built-In Protection Circuits

$254.96$254.96

9 sold
64% 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

$11.63$32.30

5% off
Raspberry Pi Industrial Modbus RS485 CAN 6-way relay module Raspberry Pi Industrial Modbus RS485 CAN 6-way relay module

Raspberry Pi Industrial Modbus RS485 CAN 6-way relay module

$33.24$34.99

1 sold
ESPhome relay, Home Assistant, 2-Channel Wi-Fi AC Relay, Powered by XIAO ESP32-C3,Native Support, Built-in Power Meter ESPhome relay, Home Assistant, 2-Channel Wi-Fi AC Relay, Powered by XIAO ESP32-C3,Native Support, Built-in Power Meter

ESPhome relay, Home Assistant, 2-Channel Wi-Fi AC Relay, Powered by XIAO ESP32-C3,Native Support, Built-in Power Meter

$147.90$147.90

3 sold
8-way relay module 5V12V 24V with optocoupler isolation support AVR/51/PIC microcontroller 8-way relay module 5V12V 24V with optocoupler isolation support AVR/51/PIC microcontroller

8-way relay module 5V12V 24V with optocoupler isolation support AVR/51/PIC microcontroller

$28.47$28.47

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

Waveshare 8-Ch RP2350 Relay Module: Dual-Core MCU, Industrial Grade, Digital Input Control Waveshare 8-Ch RP2350 Relay Module: Dual-Core MCU, Industrial Grade, Digital Input Control

Waveshare 8-Ch RP2350 Relay Module: Dual-Core MCU, Industrial Grade, Digital Input Control

$450.49$450.49

10% off
Waveshare Industrial Modbus RTU 4-ch Relay Module with RS485 Interface, 30A High Current, Onboard LED Indicators Waveshare Industrial Modbus RTU 4-ch Relay Module with RS485 Interface, 30A High Current, Onboard LED Indicators

Waveshare Industrial Modbus RTU 4-ch Relay Module with RS485 Interface, 30A High Current, Onboard LED Indicators

$36.89$40.99

5 sold
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

$25.99$25.99

TB-02 wireless transparent transmission W600 development board WiFi relay probe advertising machine TB-02 wireless transparent transmission W600 development board WiFi relay probe advertising machine

TB-02 wireless transparent transmission W600 development board WiFi relay probe advertising machine

$33.10$33.10

ESP32-S3 Relay Board 6-Channel WiFi Bluetooth RS485 Support Pico HAT Expansion IoT Development Module ESP32-S3 Relay Board 6-Channel WiFi Bluetooth RS485 Support Pico HAT Expansion IoT Development Module

ESP32-S3 Relay Board 6-Channel WiFi Bluetooth RS485 Support Pico HAT Expansion IoT Development Module

$325.24$325.24

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

$25.99$25.99

10% off
Waveshare Industrial 8-Channel ESP32-S3 WiFi Relay Module Onboard isolated RS485 interface Multiple Isolation Protection Circuit Waveshare Industrial 8-Channel ESP32-S3 WiFi Relay Module Onboard isolated RS485 interface Multiple Isolation Protection Circuit

Waveshare Industrial 8-Channel ESP32-S3 WiFi Relay Module Onboard isolated RS485 interface Multiple Isolation Protection Circuit

$53.09$58.99

34 sold
20% off
Waveshare ESP32-S3 6-Channel Industrial WiFi Relay Module with Bluetooth, RS485, and Pico HAT Interface Waveshare ESP32-S3 6-Channel Industrial WiFi Relay Module with Bluetooth, RS485, and Pico HAT Interface

Waveshare ESP32-S3 6-Channel Industrial WiFi Relay Module with Bluetooth, RS485, and Pico HAT Interface

$252.00$315.00

Raspberry Pi 5 / 4B 8 Channel Relay Extention Board with Indicator Light for RPi 5 4B 3B+ 3B Zero 2 W Smart Home Raspberry Pi 5 / 4B 8 Channel Relay Extention Board with Indicator Light for RPi 5 4B 3B+ 3B Zero 2 W Smart Home

Raspberry Pi 5 / 4B 8 Channel Relay Extention Board with Indicator Light for RPi 5 4B 3B+ 3B Zero 2 W Smart Home

$210.39$210.39

30 sold
10% off
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 RTU Protocol, PoE Power Supply, With Various Isolation

Waveshare Dual Ethernet Ports 8-ch Relay Module (C), Modbus RTU Protocol, PoE Power Supply, With Various Isolation

$56.69 $62.99

5 sold

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
ESP32-S3 Module WiFi Relay 1 Channel RS485 Bluetooth Smart Switch Industrial Automation DIN Rail Case Isolated Protection Board ESP32-S3 Module WiFi Relay 1 Channel RS485 Bluetooth Smart Switch Industrial Automation DIN Rail Case Isolated Protection Board

ESP32-S3 Module WiFi Relay 1 Channel RS485 Bluetooth Smart Switch Industrial Automation DIN Rail Case Isolated Protection Board

$179.30 $179.30

Categories: Computer & Office, Computer Components

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51% 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

$59.99 $122.43

Categories: Computer & Office, Computer Components

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51% off
Estardyn 5V 1/2/4/8CH G3MB-202P SSR Solid State Relay Module 240V 2A with Resistive Fuse for Home Automation DIY Estardyn 5V 1/2/4/8CH G3MB-202P SSR Solid State Relay Module 240V 2A with Resistive Fuse for Home Automation DIY

Estardyn 5V 1/2/4/8CH G3MB-202P SSR Solid State Relay Module 240V 2A with Resistive Fuse for Home Automation DIY

$26.07 $53.21

14 sold

Categories: Computer & Office, Computer Components

Buy Now
10% off
Industrial 8-Channel ESP32-S3 WiFi Relay Module, Onboard Isolated CAN Interface, Multiple Isolation Protection Circuits 32-bit Industrial 8-Channel ESP32-S3 WiFi Relay Module, Onboard Isolated CAN Interface, Multiple Isolation Protection Circuits 32-bit

Industrial 8-Channel ESP32-S3 WiFi Relay Module, Onboard Isolated CAN Interface, Multiple Isolation Protection Circuits 32-bit

$53.99 $59.99

3 sold

Categories: Computer & Office, Computer Components

Buy Now
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

$39.99 $39.99

Categories: Computer & Office, Computer Components

Buy Now
Grove-Relay High current 5V/10A small 1-way mechanical relay switch Arduino ,peak voltage capability 250V 10A Grove-Relay High current 5V/10A small 1-way mechanical relay switch Arduino ,peak voltage capability 250V 10A

Grove-Relay High current 5V/10A small 1-way mechanical relay switch Arduino ,peak voltage capability 250V 10A

$20.50 $20.50

12 sold

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
Modbus RTU 8-ch Latching Relay Module (C) with RS485 Interface, Multi Isolation Protection Circuits, Rail-mounted Case Modbus RTU 8-ch Latching Relay Module (C) with RS485 Interface, Multi Isolation Protection Circuits, Rail-mounted Case

Modbus RTU 8-ch Latching Relay Module (C) with RS485 Interface, Multi Isolation Protection Circuits, Rail-mounted Case

$317.97 $317.97

Categories: Computer & Office, Computer Components

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SZD07 DC Intelligent Digital Current Meter DC0-50A Current Induction Switch Linkage Switch Overload Protection Relay Output PLC SZD07 DC Intelligent Digital Current Meter DC0-50A Current Induction Switch Linkage Switch Overload Protection Relay Output PLC

SZD07 DC Intelligent Digital Current Meter DC0-50A Current Induction Switch Linkage Switch Overload Protection Relay Output PLC

$20.00 $20.00

2 sold

Categories: Computer & Office, Computer Components

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10% off
Waveshare Industrial 1-Channel ESP32-S3 WiFi Relay Module, Supports WiFi / Bluetooth / RS485 Control, With Multiple Isolation Waveshare Industrial 1-Channel ESP32-S3 WiFi Relay Module, Supports WiFi / Bluetooth / RS485 Control, With Multiple Isolation

Waveshare Industrial 1-Channel ESP32-S3 WiFi Relay Module, Supports WiFi / Bluetooth / RS485 Control, With Multiple Isolation

$18.53 $20.59

46 sold

Categories: Computer & Office, Computer Components

Buy Now
HOT FRM01 Relay Module/Cycle/Self-Locking/Timing/Delay18 Functions CanBe Set MODULE

HOT FRM01 Relay Module/Cycle/Self-Locking/Timing/Delay18 Functions CanBe Set MODULE

$55.00 $55.00

Categories: Computer & Office, Computer Components

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RPi Zero Relay,Industrial 6-Channel Relay Module for RPi Zero, RS485/CAN bus, power supply isolation, photocoupler isolation RPi Zero Relay,Industrial 6-Channel Relay Module for RPi Zero, RS485/CAN bus, power supply isolation, photocoupler isolation

RPi Zero Relay,Industrial 6-Channel Relay Module for RPi Zero, RS485/CAN bus, power supply isolation, photocoupler isolation

$39.99 $39.99

Categories: Computer & Office, Computer Components

Buy Now
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

$238.30 $238.30

Categories: Computer & Office, Computer Components

Buy Now
DDC-431 Digital LED Display Delay Controller Timer Delay Relay Switch DDC-431 Digital LED Display Delay Controller Timer Delay Relay Switch

DDC-431 Digital LED Display Delay Controller Timer Delay Relay Switch

$39.86 $39.86

Categories: Computer & Office, Computer Components

Buy Now
POE ETH RJ45 To 8-Ch Relay B Industrial Modbus RTU/Modbus TCP-Ethernet For IOT POE ETH RJ45 To 8-Ch Relay B Industrial Modbus RTU/Modbus TCP-Ethernet For IOT

POE ETH RJ45 To 8-Ch Relay B Industrial Modbus RTU/Modbus TCP-Ethernet For IOT

$56.19 $56.19

1 sold

Categories: Computer & Office, Computer Components

Buy Now
ESP32-P4 Smart 86 Box Development Board With 4inch 720x720 Pixel LCD Touch Display Ethemet port/RS485/2-ch relay/RISC-V 32-bit ESP32-P4 Smart 86 Box Development Board With 4inch 720x720 Pixel LCD Touch Display Ethemet port/RS485/2-ch relay/RISC-V 32-bit

ESP32-P4 Smart 86 Box Development Board With 4inch 720x720 Pixel LCD Touch Display Ethemet port/RS485/2-ch relay/RISC-V 32-bit

$447.02 $447.02

3 sold

Categories: Computer & Office, Computer Components

Buy Now
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 TouchScreen 720x720 RS485 Relay Camera RJ45 ETH

ESP32-P4 Smart 86 TV Box Development Board 4 inch Display TouchScreen 720x720 RS485 Relay Camera RJ45 ETH

$49.44 $49.44

108 sold

Categories: Computer & Office, Computer Components

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10% off
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, With Various Isolation And Protection Circuits PoE Port

Waveshare 8-ch Ethernet Relay Module (B) With Digital Input, With Various Isolation And Protection Circuits PoE Port

$51.29 $56.99

1 sold

Categories: Computer & Office, Computer Components

Buy Now
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

Buy Now
ESP32-S3 Industrial 6-Channel WiFi Relay Module IOT WiFi Bluetooth RS485 Control Pico HAT Interface Built-In Protection Circuits ESP32-S3 Industrial 6-Channel WiFi Relay Module IOT WiFi Bluetooth RS485 Control Pico HAT Interface Built-In Protection Circuits

ESP32-S3 Industrial 6-Channel WiFi Relay Module IOT WiFi Bluetooth RS485 Control Pico HAT Interface Built-In Protection Circuits

$254.96 $254.96

9 sold

Categories: Computer & Office, Computer Components

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64% 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

$11.63 $32.30

Categories: Computer & Office, Computer Components

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5% off
Raspberry Pi Industrial Modbus RS485 CAN 6-way relay module Raspberry Pi Industrial Modbus RS485 CAN 6-way relay module

Raspberry Pi Industrial Modbus RS485 CAN 6-way relay module

$33.24 $34.99

1 sold

Categories: Computer & Office, Computer Components

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ESPhome relay, Home Assistant, 2-Channel Wi-Fi AC Relay, Powered by XIAO ESP32-C3,Native Support, Built-in Power Meter ESPhome relay, Home Assistant, 2-Channel Wi-Fi AC Relay, Powered by XIAO ESP32-C3,Native Support, Built-in Power Meter

ESPhome relay, Home Assistant, 2-Channel Wi-Fi AC Relay, Powered by XIAO ESP32-C3,Native Support, Built-in Power Meter

$147.90 $147.90

3 sold

Categories: Computer & Office, Computer Components

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8-way relay module 5V12V 24V with optocoupler isolation support AVR/51/PIC microcontroller 8-way relay module 5V12V 24V with optocoupler isolation support AVR/51/PIC microcontroller

8-way relay module 5V12V 24V with optocoupler isolation support AVR/51/PIC microcontroller

$28.47 $28.47

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

Buy Now
Waveshare 8-Ch RP2350 Relay Module: Dual-Core MCU, Industrial Grade, Digital Input Control Waveshare 8-Ch RP2350 Relay Module: Dual-Core MCU, Industrial Grade, Digital Input Control

Waveshare 8-Ch RP2350 Relay Module: Dual-Core MCU, Industrial Grade, Digital Input Control

$450.49 $450.49

Categories: Computer & Office, Computer Components

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10% off
Waveshare Industrial Modbus RTU 4-ch Relay Module with RS485 Interface, 30A High Current, Onboard LED Indicators Waveshare Industrial Modbus RTU 4-ch Relay Module with RS485 Interface, 30A High Current, Onboard LED Indicators

Waveshare Industrial Modbus RTU 4-ch Relay Module with RS485 Interface, 30A High Current, Onboard LED Indicators

$36.89 $40.99

5 sold

Categories: Computer & Office, Computer Components

Buy Now
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

$25.99 $25.99

Categories: Computer & Office, Computer Components

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TB-02 wireless transparent transmission W600 development board WiFi relay probe advertising machine TB-02 wireless transparent transmission W600 development board WiFi relay probe advertising machine

TB-02 wireless transparent transmission W600 development board WiFi relay probe advertising machine

$33.10 $33.10

Categories: Computer & Office, Computer Components

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ESP32-S3 Relay Board 6-Channel WiFi Bluetooth RS485 Support Pico HAT Expansion IoT Development Module ESP32-S3 Relay Board 6-Channel WiFi Bluetooth RS485 Support Pico HAT Expansion IoT Development Module

ESP32-S3 Relay Board 6-Channel WiFi Bluetooth RS485 Support Pico HAT Expansion IoT Development Module

$325.24 $325.24

Categories: Computer & Office, Computer Components

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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

$25.99 $25.99

Categories: Computer & Office, Computer Components

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10% off
Waveshare Industrial 8-Channel ESP32-S3 WiFi Relay Module Onboard isolated RS485 interface Multiple Isolation Protection Circuit Waveshare Industrial 8-Channel ESP32-S3 WiFi Relay Module Onboard isolated RS485 interface Multiple Isolation Protection Circuit

Waveshare Industrial 8-Channel ESP32-S3 WiFi Relay Module Onboard isolated RS485 interface Multiple Isolation Protection Circuit

$53.09 $58.99

34 sold

Categories: Computer & Office, Computer Components

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20% off
Waveshare ESP32-S3 6-Channel Industrial WiFi Relay Module with Bluetooth, RS485, and Pico HAT Interface Waveshare ESP32-S3 6-Channel Industrial WiFi Relay Module with Bluetooth, RS485, and Pico HAT Interface

Waveshare ESP32-S3 6-Channel Industrial WiFi Relay Module with Bluetooth, RS485, and Pico HAT Interface

$252.00 $315.00

Categories: Computer & Office, Computer Components

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Raspberry Pi 5 / 4B 8 Channel Relay Extention Board with Indicator Light for RPi 5 4B 3B+ 3B Zero 2 W Smart Home Raspberry Pi 5 / 4B 8 Channel Relay Extention Board with Indicator Light for RPi 5 4B 3B+ 3B Zero 2 W Smart Home

Raspberry Pi 5 / 4B 8 Channel Relay Extention Board with Indicator Light for RPi 5 4B 3B+ 3B Zero 2 W Smart Home

$210.39 $210.39

30 sold

Categories: Computer & Office, Computer Components

Buy Now