购买 8-channel relay module

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$15.99
8 Channel Relay Module - Progressive Automations
Progressive Automations
$15.99
8 Channel Relay Module - Progressive Automations
Progressive Automations
$2.90
5V 12V 8 Channel Relay Module With Optocoupler Relay Output 8 Way Low Level Trigger Expansion Board
Alibaba B2B
Free shipping
$2.90
5V 12V 8 Channel Relay Module With Optocoupler Relay Output 8 Way Low Level Trigger Expansion Board
Alibaba B2B
Free shipping
$3.70
8 Channel 12V Relay Module With Optocoupler Relay Output Relay Module 8 Channels Low Level Trigger Output Way
Alibaba B2B
$3.70
8 Channel 12V Relay Module With Optocoupler Relay Output Relay Module 8 Channels Low Level Trigger Output Way
Alibaba B2B
$17.37
DC 12V 8 Channel Relay Module BT Wireless Control Switch For Android Smart Mobile Phone App Control Momentary Interlock
Alibaba B2B
Free shipping
$17.37
DC 12V 8 Channel Relay Module BT Wireless Control Switch For Android Smart Mobile Phone App Control Momentary Interlock
Alibaba B2B
Free shipping
$2.30
8-Channel DC 5V Relay Module With 12V Relay Module 8-Ch Optocoupler Electrical Equipment Accessories
Alibaba B2B
Free shipping
$2.30
8-Channel DC 5V Relay Module With 12V Relay Module 8-Ch Optocoupler Electrical Equipment Accessories
Alibaba B2B
Free shipping
$24.98
$64.50
D4-08TR - 8 Channel Relay Output Module
Electronic Surplus
折扣 61%
$24.98
$64.50
D4-08TR - 8 Channel Relay Output Module
Electronic Surplus
$2.20
High/Low Level Trigger 8 Channel Relay Control Panel PLC Relay 24V Module
Alibaba B2B
Free shipping
$2.20
High/Low Level Trigger 8 Channel Relay Control Panel PLC Relay 24V Module
Alibaba B2B
Free shipping
$85.00
Allen-Bradley 1746-OW8 SLC 500 8-Channel Relay Output Module, A
PLCHardware.com
$85.00
Allen-Bradley 1746-OW8 SLC 500 8-Channel Relay Output Module, A
PLCHardware.com
$3.33
8 Channel Relay Module With Optocoupler Isolation Support 24V High And Low Level Trigger Relay Red Board
Alibaba B2B
Free shipping
$3.33
8 Channel Relay Module With Optocoupler Isolation Support 24V High And Low Level Trigger Relay Red Board
Alibaba B2B
Free shipping
$2.09
8 Channel Road 24V Relay Module Board With Optocoupler Isolation High/Low Level Development Board
Alibaba B2B
Free shipping
$2.09
8 Channel Road 24V Relay Module Board With Optocoupler Isolation High/Low Level Development Board
Alibaba B2B
Free shipping
$7.78
5V 8 Channels Relay, Module High And Low, Triggering Optocoupler, Isolation Relay Module, PLC Signal Amplifier, Board
Alibaba B2B
Free shipping
$7.78
5V 8 Channels Relay, Module High And Low, Triggering Optocoupler, Isolation Relay Module, PLC Signal Amplifier, Board
Alibaba B2B
Free shipping
$1.88
8 Channel 12V Delay Relay Module With Optocoupler Gsm Relay Module Uart Relay Module
Alibaba B2B
Free shipping
$1.88
8 Channel 12V Delay Relay Module With Optocoupler Gsm Relay Module Uart Relay Module
Alibaba B2B
Free shipping
$3.25
8-Channel Home Intelligent Control Module 5V 12V 24V Relay Optocoupler Isolation Output Motor Driver Boards
Alibaba B2B
Free shipping
$3.25
8-Channel Home Intelligent Control Module 5V 12V 24V Relay Optocoupler Isolation Output Motor Driver Boards
Alibaba B2B
Free shipping
$2.30
5V Low-Level Trigger 8 Channel Relay Module Optocoupler Isolation PLC Control Drive Board Dropshipping
Alibaba B2B
Free shipping
$2.30
5V Low-Level Trigger 8 Channel Relay Module Optocoupler Isolation PLC Control Drive Board Dropshipping
Alibaba B2B
Free shipping
$18.00
8-Way Relay Module PLC Amplifier Board 24 V Control Board TKG2R-2C-Q824 12V Relay G2R-2 Relay Module 8 Channel
Alibaba B2B
Free shipping
$18.00
8-Way Relay Module PLC Amplifier Board 24 V Control Board TKG2R-2C-Q824 12V Relay G2R-2 Relay Module 8 Channel
Alibaba B2B
Free shipping
$1.84
8 Channel Relay Module Board 24V 12V 5V Available Optocoupler Low Level Trigger Relay
Alibaba B2B
Free shipping
$1.84
8 Channel Relay Module Board 24V 12V 5V Available Optocoupler Low Level Trigger Relay
Alibaba B2B
Free shipping
$0.30
5V 1 2 4 8 Channel Relay Module With Optocoupler Relay 5 V Output 1 2 4 8 Way Relay Module Expansion Board
Alibaba B2B
Free shipping
$0.30
5V 1 2 4 8 Channel Relay Module With Optocoupler Relay 5 V Output 1 2 4 8 Way Relay Module Expansion Board
Alibaba B2B
Free shipping
$1.80
YXW 8 Channel Relay Module Board 24V 12V 5V Available Optocoupler Low Level Trigger Relay
Alibaba B2B
Free shipping
$1.80
YXW 8 Channel Relay Module Board 24V 12V 5V Available Optocoupler Low Level Trigger Relay
Alibaba B2B
Free shipping
$2.45
5V 12V 24V 8 Way Relay Module With Optocoupler Relay Output For Arduino PLC Automation Equipment Control
Alibaba B2B
Free shipping
$2.45
5V 12V 24V 8 Way Relay Module With Optocoupler Relay Output For Arduino PLC Automation Equipment Control
Alibaba B2B
Free shipping
$13.60
8 Channel Relay Module 30A DC7-28/5V WIFI BT Relay Module ESP32-WROOM Development Board
Alibaba B2B
Free shipping
$13.60
8 Channel Relay Module 30A DC7-28/5V WIFI BT Relay Module ESP32-WROOM Development Board
Alibaba B2B
Free shipping
$21.00
8-Channel Tyco Electromagnetic Relay Module High Power 3.3V 5V 12V 24V Free Drive PC Control Relay Board
Alibaba B2B
Free shipping
$21.00
8-Channel Tyco Electromagnetic Relay Module High Power 3.3V 5V 12V 24V Free Drive PC Control Relay Board
Alibaba B2B
Free shipping
$1.70
YIXINTAI 8 Channel Way DC 5V 12V Relay Module With Optocoupler Low Level Trigger Expansion Board
Alibaba B2B
Free shipping
$1.70
YIXINTAI 8 Channel Way DC 5V 12V Relay Module With Optocoupler Low Level Trigger Expansion Board
Alibaba B2B
Free shipping
$10.50
RS485/TTL UART 8CH Input 8CH Output Modbus RTU 8 Channel Relay Module Support Standard Modbus RTU Protocol
Alibaba B2B
$10.50
RS485/TTL UART 8CH Input 8CH Output Modbus RTU 8 Channel Relay Module Support Standard Modbus RTU Protocol
Alibaba B2B
$1.72
5024 8-Channel 5V 12V Relay Module Board
Alibaba B2B
Free shipping
$1.72
5024 8-Channel 5V 12V Relay Module Board
Alibaba B2B
Free shipping
$7.26
8-Channel Transistor Output Relay Module With Circuit Protection PLC Amplification And Microcontroller Control Board
Alibaba B2B
Free shipping
$7.26
8-Channel Transistor Output Relay Module With Circuit Protection PLC Amplification And Microcontroller Control Board
Alibaba B2B
Free shipping
$6.00
8-Channel Transistor Output General Relay Module Circuit Protection PLC Amplification Microcontroller Control Board
Alibaba B2B
Free shipping
$6.00
8-Channel Transistor Output General Relay Module Circuit Protection PLC Amplification Microcontroller Control Board
Alibaba B2B
Free shipping
$2.27
OKY3015 Okystar OEM/ODM 8 Channel Relay Module 8 Channel Relay With Optocoupler Relay 5V 12V 24V
Alibaba B2B
Free shipping
$2.27
OKY3015 Okystar OEM/ODM 8 Channel Relay Module 8 Channel Relay With Optocoupler Relay 5V 12V 24V
Alibaba B2B
Free shipping
$0.85
12 8 Channel Relay Module (With Light Coupling) 12V
Alibaba B2B
Free shipping
$0.85
12 8 Channel Relay Module (With Light Coupling) 12V
Alibaba B2B
Free shipping
$0.50
Okystar OEM/ODM 8 Channel Relay Module 5V 12V 24V Relay Module Control Board
Alibaba B2B
Free shipping
$0.50
Okystar OEM/ODM 8 Channel Relay Module 5V 12V 24V Relay Module Control Board
Alibaba B2B
Free shipping
$0.33
5V 1 2 4 8 Channel Relay Module With Optocoupler Relay Output 1 2 4 8 Way Relay Module In Stock
Alibaba B2B
Free shipping
$0.33
5V 1 2 4 8 Channel Relay Module With Optocoupler Relay Output 1 2 4 8 Way Relay Module In Stock
Alibaba B2B
Free shipping
$0.33
5V 1 2 4 8 Channel Relay Module With Optocoupler Relay 5 V Output 1 2 4 8 Way Relay Module Expansion Board
Alibaba B2B
Free shipping
$0.33
5V 1 2 4 8 Channel Relay Module With Optocoupler Relay 5 V Output 1 2 4 8 Way Relay Module Expansion Board
Alibaba B2B
Free shipping
$29.00
8 Channel Relay Network IP Relay Web Relay Dual Control Ethernet RJ45 Interface
Alibaba B2B
Free shipping
$29.00
8 Channel Relay Network IP Relay Web Relay Dual Control Ethernet RJ45 Interface
Alibaba B2B
Free shipping
$0.33
5V 1 2 4 8 Channel Relay Module With Optocoupler Relay Output X Way Relay Module 1CH 2CH 4CH 8CH
Alibaba B2B
Free shipping
$0.33
5V 1 2 4 8 Channel Relay Module With Optocoupler Relay Output X Way Relay Module 1CH 2CH 4CH 8CH
Alibaba B2B
Free shipping
$2.85
8-Channel Relay Module 5V 10A Optical Coupler Isolation Type
Alibaba B2B
Free shipping
$2.85
8-Channel Relay Module 5V 10A Optical Coupler Isolation Type
Alibaba B2B
Free shipping
$0.58
8-Way Relay Module 5V12V 24V With Optocoupler Isolation Supports AVR/51/PIC Microcontroller
Alibaba B2B
Free shipping
$0.58
8-Way Relay Module 5V12V 24V With Optocoupler Isolation Supports AVR/51/PIC Microcontroller
Alibaba B2B
Free shipping
$1.76
8-Way Relay Module 5V12V 24V With Optocoupler Isolation Supports AVR/51/PIC Microcontroller
Alibaba B2B
Free shipping
$1.76
8-Way Relay Module 5V12V 24V With Optocoupler Isolation Supports AVR/51/PIC Microcontroller
Alibaba B2B
Free shipping
8 Channel relay module for direct control 10A 3.3V 5.0V / HIGH level trigger
0:45
8 Channel relay module for direct control 10A 3.3V 5.0V / HIGH level …
已浏览 2729 次2022年9月6日
YouTubeKRIDA Electronics
24VDC, 8 Channel Relay Module Overview
0:50
24VDC, 8 Channel Relay Module Overview
已浏览 840 次2022年9月7日
YouTubeATO Inc
8 Channel Relay Module Test with Arduino Mega 2560
0:34
8 Channel Relay Module Test with Arduino Mega 2560
已浏览 3.7万 次2013年6月1日
YouTubeSpencer Wilhelm
WEBOR 8-Channel Single Group Relay Module 24V With Socket Electromagnetic Relay Original Product for PLC
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已浏览 1万 次2024年5月22日
alibaba.com
8 Channel Sequence Relay Controller | Arduino Project
7:19
8 Channel Sequence Relay Controller | Arduino Project
已浏览 3411 次2023年10月29日
YouTubeKiyani's Lab
24V 8-Channel Relay Module ⚡ | Optocoupler Protection Explained! #shorts #electronics
0:33
24V 8-Channel Relay Module ⚡ | Optocoupler Protection Explained…
已浏览 1773 次6 个月之前
YouTuberndstore.in_
8 Channel Electromagnetic relay module with wireless esp8266 REMOTEXY app
2:22
8 Channel Electromagnetic relay module with wireless esp8266 RE…
已浏览 1.3万 次2020年3月9日
YouTubeKRIDA Electronics
3:59
Raspberry Pi: 8 Channel Relay + External Power Supply Tutorial an…
已浏览 15.8万 次2017年6月8日
YouTubeTechplant
Arduino – Bluetooth 8 Channel Relay App
2018年4月10日
arduino.cc
2:33
High level and Low level relay module | KY 019
已浏览 1.7万 次2022年9月22日
YouTubeEE Wave
12:08
banggood How To Use and connect arduino with 5V 8 Channel Relay …
已浏览 5.6万 次2019年4月28日
YouTubeUnboxing Channel
0:14
4x4 Relay Matrix Control Using an 8-Channel Relay Module
已浏览 290万 次2024年10月9日
YouTubeToyTech Machines
13:29
How to make a Home Automation using nodemcu and 8 channel rela…
已浏览 2.7万 次2021年8月30日
YouTubeElectrofile
Elegoo 8 Channel Relay Module Tutorial
2019年7月7日
blogspot.comAlexander Lang
6:50
Know about 8 channel Relay Board |Relay Board for PLC| Relay Boar…
已浏览 10.6万 次2021年4月8日
YouTubeLearn EEE
6:35
How to Wire Up 8Pin relay to base
已浏览 19.5万 次2019年2月3日
YouTubeBMWRepairsSG
0:40
8 Channel Relay Module - Complete Arduino Guide! ⚡🔌
已浏览 111 次2 个月之前
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8 channel USB Relay Module
2015年5月11日
hackaday.io
5:25
How to use a RELAY with ESP8266 NodeMCU | Easy Guide
已浏览 2.4万 次2023年10月24日
YouTubeINOVATRIX
7:48
Using 8 Channel Relay With Arduino (Tutorial)
已浏览 4.3万 次2015年11月4日
YouTubeliney118
10:47
8 Channel HIGH Triggered relay driver circuit Using 5v Relay
已浏览 8023 次2020年9月28日
YouTubeEE Wave
8:01
I2C Relay Board 8-Channel using MCP23008
已浏览 4645 次2021年5月11日
YouTubeBrainstorm Technologies
How to Make 8 Channel Relay Switch Board | Build an 8 Channe…
已浏览 2.1万 次2022年3月13日
YouTubeTHE ELECTRONICS ADDA
12:16
Relay Control with Arduino & DWIN HMI Display
已浏览 3.4万 次2022年12月21日
YouTubeIoT Projects Ideas
11:39
Raspberry Pi: 8 Channel Relay step-by-step with software examples fo…
已浏览 90.8万 次2014年5月24日
YouTubeskiwithpete
18:52
Lesson 67: Controlling 8 channel relay with a 4x3 keypad to control …
已浏览 2.3万 次2019年4月19日
YouTubeRobojax
1:03
8 Channel I2C Relay Multichannel Wiring and Controlling Arduino Ra…
已浏览 2715 次2020年5月29日
YouTubeKRIDA Electronics
7:17
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已浏览 5万 次2020年12月15日
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12:54
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已浏览 10.3万 次2021年5月7日
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购买 8-channel relay module

广告
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$15.99
8 Channel Relay Module - Progressive Automations
Progressive Automations
$15.99
8 Channel Relay Module - Progressive Automations
Progressive Automations
$2.90
5V 12V 8 Channel Relay Module With Optocoupler Relay Output 8 Way Low Level Trigger Expansion Board
Alibaba B2B
Free shipping
$2.90
5V 12V 8 Channel Relay Module With Optocoupler Relay Output 8 Way Low Level Trigger Expansion Board
Alibaba B2B
Free shipping
$3.70
8 Channel 12V Relay Module With Optocoupler Relay Output Relay Module 8 Channels Low Level Trigger Output Way
Alibaba B2B
$3.70
8 Channel 12V Relay Module With Optocoupler Relay Output Relay Module 8 Channels Low Level Trigger Output Way
Alibaba B2B
$17.37
DC 12V 8 Channel Relay Module BT Wireless Control Switch For Android Smart Mobile Phone App Control Momentary Interlock
Alibaba B2B
Free shipping
$17.37
DC 12V 8 Channel Relay Module BT Wireless Control Switch For Android Smart Mobile Phone App Control Momentary Interlock
Alibaba B2B
Free shipping
$2.30
8-Channel DC 5V Relay Module With 12V Relay Module 8-Ch Optocoupler Electrical Equipment Accessories
Alibaba B2B
Free shipping
$2.30
8-Channel DC 5V Relay Module With 12V Relay Module 8-Ch Optocoupler Electrical Equipment Accessories
Alibaba B2B
Free shipping
$24.98
$64.50
D4-08TR - 8 Channel Relay Output Module
Electronic Surplus
折扣 61%
$24.98
$64.50
D4-08TR - 8 Channel Relay Output Module
Electronic Surplus
$2.20
High/Low Level Trigger 8 Channel Relay Control Panel PLC Relay 24V Module
Alibaba B2B
Free shipping
$2.20
High/Low Level Trigger 8 Channel Relay Control Panel PLC Relay 24V Module
Alibaba B2B
Free shipping
$85.00
Allen-Bradley 1746-OW8 SLC 500 8-Channel Relay Output Module, A
PLCHardware.com
$85.00
Allen-Bradley 1746-OW8 SLC 500 8-Channel Relay Output Module, A
PLCHardware.com
$3.33
8 Channel Relay Module With Optocoupler Isolation Support 24V High And Low Level Trigger Relay Red Board
Alibaba B2B
Free shipping
$3.33
8 Channel Relay Module With Optocoupler Isolation Support 24V High And Low Level Trigger Relay Red Board
Alibaba B2B
Free shipping
$2.09
8 Channel Road 24V Relay Module Board With Optocoupler Isolation High/Low Level Development Board
Alibaba B2B
Free shipping
$2.09
8 Channel Road 24V Relay Module Board With Optocoupler Isolation High/Low Level Development Board
Alibaba B2B
Free shipping
$7.78
5V 8 Channels Relay, Module High And Low, Triggering Optocoupler, Isolation Relay Module, PLC Signal Amplifier, Board
Alibaba B2B
Free shipping
$7.78
5V 8 Channels Relay, Module High And Low, Triggering Optocoupler, Isolation Relay Module, PLC Signal Amplifier, Board
Alibaba B2B
Free shipping
$1.88
8 Channel 12V Delay Relay Module With Optocoupler Gsm Relay Module Uart Relay Module
Alibaba B2B
Free shipping
$1.88
8 Channel 12V Delay Relay Module With Optocoupler Gsm Relay Module Uart Relay Module
Alibaba B2B
Free shipping
$3.25
8-Channel Home Intelligent Control Module 5V 12V 24V Relay Optocoupler Isolation Output Motor Driver Boards
Alibaba B2B
Free shipping
$3.25
8-Channel Home Intelligent Control Module 5V 12V 24V Relay Optocoupler Isolation Output Motor Driver Boards
Alibaba B2B
Free shipping
$2.30
5V Low-Level Trigger 8 Channel Relay Module Optocoupler Isolation PLC Control Drive Board Dropshipping
Alibaba B2B
Free shipping
$2.30
5V Low-Level Trigger 8 Channel Relay Module Optocoupler Isolation PLC Control Drive Board Dropshipping
Alibaba B2B
Free shipping
$18.00
8-Way Relay Module PLC Amplifier Board 24 V Control Board TKG2R-2C-Q824 12V Relay G2R-2 Relay Module 8 Channel
Alibaba B2B
Free shipping
$18.00
8-Way Relay Module PLC Amplifier Board 24 V Control Board TKG2R-2C-Q824 12V Relay G2R-2 Relay Module 8 Channel
Alibaba B2B
Free shipping
$1.84
8 Channel Relay Module Board 24V 12V 5V Available Optocoupler Low Level Trigger Relay
Alibaba B2B
Free shipping
$1.84
8 Channel Relay Module Board 24V 12V 5V Available Optocoupler Low Level Trigger Relay
Alibaba B2B
Free shipping
$0.30
5V 1 2 4 8 Channel Relay Module With Optocoupler Relay 5 V Output 1 2 4 8 Way Relay Module Expansion Board
Alibaba B2B
Free shipping
$0.30
5V 1 2 4 8 Channel Relay Module With Optocoupler Relay 5 V Output 1 2 4 8 Way Relay Module Expansion Board
Alibaba B2B
Free shipping
$1.80
YXW 8 Channel Relay Module Board 24V 12V 5V Available Optocoupler Low Level Trigger Relay
Alibaba B2B
Free shipping
$1.80
YXW 8 Channel Relay Module Board 24V 12V 5V Available Optocoupler Low Level Trigger Relay
Alibaba B2B
Free shipping