购买 opto-isolated relay module

广告
关于我们的广告
$20.92
5V 8 Channel Relay Module With Opto-Isolated Support High And Low Level Trigger
eBay
Free shipping
$20.92
5V 8 Channel Relay Module With Opto-Isolated Support High And Low Level Trigger
eBay
Free shipping
$134.00
Allen-Bradley 1769-OW8I Relay Output Module 8 Isolated Point, B
PLCHardware.com
$134.00
Allen-Bradley 1769-OW8I Relay Output Module 8 Isolated Point, B
PLCHardware.com
$0.50
1 Channel 3V Relay High Level Driver Module Optocoupler Relay Isolated Drive Control Board
Alibaba B2B
Free shipping
$0.50
1 Channel 3V Relay High Level Driver Module Optocoupler Relay Isolated Drive Control Board
Alibaba B2B
Free shipping
$0.75
1 Channel 3V Relay High Level Driver Module Optocoupler Relay Isolated Drive Control Board
Alibaba B2B
Free shipping
$0.75
1 Channel 3V Relay High Level Driver Module Optocoupler Relay Isolated Drive Control Board
Alibaba B2B
Free shipping
$24.16
2PCS 12V 8 Channel Relay Module Optocoupler Isolated High Low Trigger Switch
eBay
Free shipping
$24.16
2PCS 12V 8 Channel Relay Module Optocoupler Isolated High Low Trigger Switch
eBay
Free shipping
$63.00
G4ODC5RFM OPTO 22 - Contactors & Starters & Solid State Overload/Relay Supplies
Radwell.com
$63.00
G4ODC5RFM OPTO 22 - Contactors & Starters & Solid State Overload/Relay Supplies
Radwell.com
$20.92
12V 8 Channel Relay Module With Opto-Isolated High And Low Level Trigger 8 Ways
eBay
Free shipping
$20.92
12V 8 Channel Relay Module With Opto-Isolated High And Low Level Trigger 8 Ways
eBay
Free shipping
$19.99
12V 8 Channel Relay Module With Opto-Isolated High And Low Level Trigger 8 Ways
eBay
Free shipping
$19.99
12V 8 Channel Relay Module With Opto-Isolated High And Low Level Trigger 8 Ways
eBay
Free shipping
$2.37
1CH High Level Driver Relay Module Optocoupler Isolated Drive Control Board New
eBay
$2.37
1CH High Level Driver Relay Module Optocoupler Isolated Drive Control Board New
eBay
$28.07
5V 12V 1/2/4/8 Channel Relay Module Optocoupler Isolated Low-Level Trigger 51AVR
eBay
$28.07
5V 12V 1/2/4/8 Channel Relay Module Optocoupler Isolated Low-Level Trigger 51AVR
eBay
$38.14
16 Channel 9-36V USB Controlled SPDT Relay Module Opto-Isolated Board SRD-5VDC
eBay
Free shipping
$38.14
16 Channel 9-36V USB Controlled SPDT Relay Module Opto-Isolated Board SRD-5VDC
eBay
Free shipping
$3.28
3-Channel Relay Module Optocoupler Isolation Fit For Signal 3.3V 5V New
eBay
$3.28
3-Channel Relay Module Optocoupler Isolation Fit For Signal 3.3V 5V New
eBay
$47.98
8 Channel 5V/12V/24V High And Low Level Optocoupler Isolation Relay Module
eBay
Free shipping
$47.98
8 Channel 5V/12V/24V High And Low Level Optocoupler Isolation Relay Module
eBay
Free shipping
$22.10
5V 8 Channel Relay Module 2PCS Opto Isolated
eBay
Free shipping
$22.10
5V 8 Channel Relay Module 2PCS Opto Isolated
eBay
Free shipping
$0.88
1 Way 30A Circuit With Optocoupler Isolation Support High And Low Level Trigger Switches Relay Module 5V12V High Current
Alibaba B2B
Free shipping
$0.88
1 Way 30A Circuit With Optocoupler Isolation Support High And Low Level Trigger Switches Relay Module 5V12V High Current
Alibaba B2B
Free shipping
$14.17
5V/12V 1 Way Relay Module With Optocoupler Isolation Relay Board High Quality
eBay
Free shipping
$14.17
5V/12V 1 Way Relay Module With Optocoupler Isolation Relay Board High Quality
eBay
Free shipping
$14.17
5V/12V 1 Way Relay Module With Optocoupler Isolation Relay Board High Quality
eBay
Free shipping
$14.17
5V/12V 1 Way Relay Module With Optocoupler Isolation Relay Board High Quality
eBay
Free shipping
$0.20
1 Channel Relay Module With Optocoupler Isolation Support High Low Level Trigger 5V/9V/12V/24V Relay
Alibaba B2B
Free shipping
$0.20
1 Channel Relay Module With Optocoupler Isolation Support High Low Level Trigger 5V/9V/12V/24V Relay
Alibaba B2B
Free shipping
$14.56
$16.18
16-Channel 12V Relay Shield Module With Optocoupler Lm2576 Power
eBay
折扣 10%
$14.56
$16.18
16-Channel 12V Relay Shield Module With Optocoupler Lm2576 Power
eBay
$13.21
1 Channel 12V 30A Relay Board Module Optocoupler Isolation High/Low Trigger New
eBay
4
$13.21
1 Channel 12V 30A Relay Board Module Optocoupler Isolation High/Low Trigger New
eBay
4
$1.30
4 Channel 5V 12V 24V Relay Module Red Board Optocoupler Isolation Output High Low Level Trigger Relay Module
Alibaba B2B
Free shipping
$1.30
4 Channel 5V 12V 24V Relay Module Red Board Optocoupler Isolation Output High Low Level Trigger Relay Module
Alibaba B2B
Free shipping
$10.12
1/2CH 30A Relay Module Board Optocoupler Isolation High Low Trigger 5V 12V 24V
eBay
$10.12
1/2CH 30A Relay Module Board Optocoupler Isolation High Low Trigger 5V 12V 24V
eBay
$26.62
4-Channel Opto-Isolator Ic Module Arduino High And Low Level Expansion
eBay
$26.62
4-Channel Opto-Isolator Ic Module Arduino High And Low Level Expansion
eBay
$20.92
Relay Module 5V 12V 24V 1 Channel Low Level Trigger Optocoupler Isolation
eBay
Free shipping
$20.92
Relay Module 5V 12V 24V 1 Channel Low Level Trigger Optocoupler Isolation
eBay
Free shipping
$2.80
8 Channel 5V 12V 24V Relay Module Optocoupler Isolation High Low Level Trigger Red Board
Alibaba B2B
Free shipping
$2.80
8 Channel 5V 12V 24V Relay Module Optocoupler Isolation High Low Level Trigger Red Board
Alibaba B2B
Free shipping
$11.37
1/2CH 30A Relay Module Board Optocoupler Isolation High Low Trigger 5V 12V 24V
eBay
$11.37
1/2CH 30A Relay Module Board Optocoupler Isolation High Low Trigger 5V 12V 24V
eBay
$22.58
1-Channel 12V Relay Module With Optocoupler Isolation Supports High And Low Leve
eBay
Free shipping
$22.58
1-Channel 12V Relay Module With Optocoupler Isolation Supports High And Low Leve
eBay
Free shipping
$24.26
5V Relay Module 16 Channel Optocoupler Isolation Compatible With For Arduino ...
eBay
Free shipping
$24.26
5V Relay Module 16 Channel Optocoupler Isolation Compatible With For Arduino ...
eBay
Free shipping
$0.80
3.3V 5V 12V 24V 1 2 4 6 8 Channel Relay Module High Low Level Trigger Dual Optocoupler Isolation Relay Module Board
Alibaba B2B
Free shipping
$0.80
3.3V 5V 12V 24V 1 2 4 6 8 Channel Relay Module High Low Level Trigger Dual Optocoupler Isolation Relay Module Board
Alibaba B2B
Free shipping
$4.00
4-Channel PNP/NPN Input And Output Optocoupler Isolation PLC Signal Amplifier Board Relay Module Module
Alibaba B2B
Free shipping
$4.00
4-Channel PNP/NPN Input And Output Optocoupler Isolation PLC Signal Amplifier Board Relay Module Module
Alibaba B2B
Free shipping
$0.80
5V Low-Level Trigger 2 Channel Relay Module Optocoupler Isolation PLC Control Drive Board Dropshipping
Alibaba B2B
Free shipping
$0.80
5V Low-Level Trigger 2 Channel Relay Module Optocoupler Isolation PLC Control Drive Board Dropshipping
Alibaba B2B
Free shipping
$0.47
3.3V 5V 12V 24V 1 Channel Relay Module High And Low Level Dual Optocoupler Isolation Relay Module Board
Alibaba B2B
$0.47
3.3V 5V 12V 24V 1 Channel Relay Module High And Low Level Dual Optocoupler Isolation Relay Module Board
Alibaba B2B
$12.99
DC12V 1CH Module W/ Optocoupler Isolation High And Low Level Trigger Relay
eBay
$12.99
DC12V 1CH Module W/ Optocoupler Isolation High And Low Level Trigger Relay
eBay
$32.01
2 Channel 30A DC 5V 12V 24V Relay Module Optocoupler Isolation High Low Trigger
eBay
Free shipping
$32.01
2 Channel 30A DC 5V 12V 24V Relay Module Optocoupler Isolation High Low Trigger
eBay
Free shipping
$0.10
1 Channel 5V 12V 24V Relay Module With Optocoupler Isolation Relay Expansion Board Supports High And Low Level Triggering
Alibaba B2B
Free shipping
$0.10
1 Channel 5V 12V 24V Relay Module With Optocoupler Isolation Relay Expansion Board Supports High And Low Level Triggering
Alibaba B2B
Free shipping
$94.92
1/2/4/8 Channel Relay Board Module High / Low Level Optocoupler Isolat 5/12/24V
eBay
$94.92
1/2/4/8 Channel Relay Board Module High / Low Level Optocoupler Isolat 5/12/24V
eBay
Configurable Active High or Low Relay Module, with opto-isolated input
1:57
Configurable Active High or Low Relay Module, with opto-isolated input
已浏览 6.5万 次2019年8月10日
YouTubeCytron Technologies
How Optocouplers work - opto-isolator solid state relays phototransistor
18:07
在视频中查找 01:06Solid State Relay
How Optocouplers work - opto-isolator solid state relays phototra…
已浏览 154.6万 次2021年3月21日
YouTubeThe Engineering Mindset
Groovy 8 Way Opto Isolated Relay Board
10:26
在视频中查找 06:11Opto
Groovy 8 Way Opto Isolated Relay Board
已浏览 1.2万 次2016年11月17日
YouTubebackofficeshow
How to Control a Relay Module Using Optocoupler & Transistor in Proteus | Isolated Power Switching
8:01
How to Control a Relay Module Using Optocoupler & Transistor in Proteus | Isolated Power Switching
已浏览 1279 次4 个月之前
YouTubeElectronic simulation
Automation Tools - Solid State Relay Opto Isolator
0:58
在视频中查找 00:15DC to DC Module Features
Automation Tools - Solid State Relay Opto Isolator
已浏览 2223 次2022年6月5日
YouTubeACC Automation: PLC & Industrial Control Lear…
How a PC817 Isolation Module Can Transform Your Project | Arduino Tutorial
4:18
How a PC817 Isolation Module Can Transform Your Project | Arduino Tutorial
已浏览 2.4万 次2023年1月30日
YouTubeDiY恋人たち@工作室
How to make a LOW Triggered 8 Channel relay driver board | Optically isolated board
17:25
在视频中查找 03:02Relay Control and Freewheeling Diode
How to make a LOW Triggered 8 Channel relay driver board | Optic…
已浏览 3.7万 次2019年6月7日
YouTubeEE Wave
0:11
Optocoupler usage for isolation of input and output circuits
已浏览 2.6万 次6 个月之前
YouTubeElectronics Education
0:11
DC motor driver with galvanic isolation using an optocoupler
已浏览 4万 次5 个月之前
YouTubeElectronics Education
3:11
NO NC Relay (1-Channel) DC 5V with Optocoupler Isolator
已浏览 9778 次2022年9月16日
YouTubeThe TECH Tract
15:04
How to Design Relay Module using Optocoupler || Relay Module Circuit
已浏览 516 次10 个月之前
YouTubeTechEcos
0:30
#ESP32 based 4 channel #relay module with 4 channel #opto isolated input #english
已浏览 273 次2024年7月22日
YouTubeEmerging Technologies
4:33
5V 1 Channel Level Trigger Optocoupler Relay Module For Arduino
已浏览 12.3万 次2019年6月11日
YouTubeUnboxing Channel
1:51
Waveshare Modbus RTU Relay，Supports Modbus RTU/TCP protocols，Optocoupler isolation protection #relay
已浏览 3389 次1 年前
YouTubeWaveshare Electronics
0:33
24V 8-Channel Relay Module ⚡ | Optocoupler Protection Explained! #shorts #electronics
已浏览 2213 次9 个月之前
YouTuberndstore.in_
What is an optocoupler? How to make a PCB with opto-isolator EL817?
8:27
在视频中查找 01:20What is an Opto Isolator?
What is an optocoupler? How to make a PCB with opto-isolator EL…
已浏览 3561 次2024年7月13日
YouTubeLeon Anavi
4:35
How to make relay module with Optocoupler | Relay module circuit
已浏览 3185 次2023年11月14日
YouTubeDiy Tech Shop
Electronic Basics #32: Relays & Optocouplers
8:21
在视频中查找 01:35Understanding Relays
Electronic Basics #32: Relays & Optocouplers
已浏览 53.5万 次2017年10月29日
YouTubeGreatScott!
2:50
DIY Relay Module Optocoupler Based || LOW Triggered 1 Channel Relay Driver Board
已浏览 2.3万 次2023年2月25日
YouTubeYellow Purple
How to Use 5 Volt Relay Modules with Arduino and ESP8266
23:03
在视频中查找 01:20Understanding the Relay Board
How to Use 5 Volt Relay Modules with Arduino and ESP8266
已浏览 4.4万 次2019年1月23日
YouTubeGadget Reboot
10:47
8 Channel HIGH Triggered relay driver circuit Using 5v Relay
已浏览 8273 次2020年9月28日
YouTubeEE Wave
1:51
optocoupler pc817 simulation with relay in proteus
已浏览 5406 次2023年10月6日
YouTubeElectronic simulation
0:12
Isolation and voltage level shifting using optocoupler
已浏览 5562 次5 个月之前
YouTubeElectronics Education
13:55
Programmable triggered timing board 35238 MP
已浏览 28.9万 次2018年11月1日
YouTubempjaonline
Connecting a Relay Module to a Microcontroller
11:41
在视频中查找 00:16Components and Connections of Relay Modules
Connecting a Relay Module to a Microcontroller
已浏览 37.6万 次2021年3月12日
YouTubeBrad Henson
20:21
120/240V to logic level optoisolator (with schematic)
已浏览 18.4万 次2021年1月29日
YouTubebigclivedotcom
19:01
DIY How To Use and connect arduino with 16 Relay Trigger 12V LM2596
已浏览 6万 次2019年4月26日
YouTubeUnboxing Channel
4:03
TUTORIAL | How to use 12V Sensor with Arduino by using PC817 Optocoupler Isolation module
已浏览 1.3万 次2022年1月21日
YouTubeMYBOTIC
0:10
12V 8-Channel Relay Module with Optocoupler Isolation - High/Low Level Trigger 10A 250VAC for Arduino/PLC Industrial Control
已浏览 50 次11 个月之前
amazon
Interfacing Relays and Optoisolators using 8051
14:20
在视频中查找 00:22Relay Circuit Diagram
Interfacing Relays and Optoisolators using 8051
已浏览 1286 次2020年4月25日
YouTubeJDR Technologies
展开

购买 opto-isolated relay module

广告
关于我们的广告
$20.92
5V 8 Channel Relay Module With Opto-Isolated Support High And Low Level Trigger
eBay
Free shipping
$20.92
5V 8 Channel Relay Module With Opto-Isolated Support High And Low Level Trigger
eBay
Free shipping
$134.00
Allen-Bradley 1769-OW8I Relay Output Module 8 Isolated Point, B
PLCHardware.com
$134.00
Allen-Bradley 1769-OW8I Relay Output Module 8 Isolated Point, B
PLCHardware.com
$0.50
1 Channel 3V Relay High Level Driver Module Optocoupler Relay Isolated Drive Control Board
Alibaba B2B
Free shipping
$0.50
1 Channel 3V Relay High Level Driver Module Optocoupler Relay Isolated Drive Control Board
Alibaba B2B
Free shipping
$0.75
1 Channel 3V Relay High Level Driver Module Optocoupler Relay Isolated Drive Control Board
Alibaba B2B
Free shipping
$0.75
1 Channel 3V Relay High Level Driver Module Optocoupler Relay Isolated Drive Control Board
Alibaba B2B
Free shipping
$24.16
2PCS 12V 8 Channel Relay Module Optocoupler Isolated High Low Trigger Switch
eBay
Free shipping
$24.16
2PCS 12V 8 Channel Relay Module Optocoupler Isolated High Low Trigger Switch
eBay
Free shipping
$63.00
G4ODC5RFM OPTO 22 - Contactors & Starters & Solid State Overload/Relay Supplies
Radwell.com
$63.00
G4ODC5RFM OPTO 22 - Contactors & Starters & Solid State Overload/Relay Supplies
Radwell.com
$20.92
12V 8 Channel Relay Module With Opto-Isolated High And Low Level Trigger 8 Ways
eBay
Free shipping
$20.92
12V 8 Channel Relay Module With Opto-Isolated High And Low Level Trigger 8 Ways
eBay
Free shipping
$19.99
12V 8 Channel Relay Module With Opto-Isolated High And Low Level Trigger 8 Ways
eBay
Free shipping
$19.99
12V 8 Channel Relay Module With Opto-Isolated High And Low Level Trigger 8 Ways
eBay
Free shipping
$2.37
1CH High Level Driver Relay Module Optocoupler Isolated Drive Control Board New
eBay
$2.37
1CH High Level Driver Relay Module Optocoupler Isolated Drive Control Board New
eBay
$28.07
5V 12V 1/2/4/8 Channel Relay Module Optocoupler Isolated Low-Level Trigger 51AVR
eBay
$28.07
5V 12V 1/2/4/8 Channel Relay Module Optocoupler Isolated Low-Level Trigger 51AVR
eBay
$38.14
16 Channel 9-36V USB Controlled SPDT Relay Module Opto-Isolated Board SRD-5VDC
eBay
Free shipping
$38.14
16 Channel 9-36V USB Controlled SPDT Relay Module Opto-Isolated Board SRD-5VDC
eBay
Free shipping
$3.28
3-Channel Relay Module Optocoupler Isolation Fit For Signal 3.3V 5V New
eBay
$3.28
3-Channel Relay Module Optocoupler Isolation Fit For Signal 3.3V 5V New
eBay
$47.98
8 Channel 5V/12V/24V High And Low Level Optocoupler Isolation Relay Module
eBay
Free shipping
$47.98
8 Channel 5V/12V/24V High And Low Level Optocoupler Isolation Relay Module
eBay
Free shipping
$22.10
5V 8 Channel Relay Module 2PCS Opto Isolated
eBay
Free shipping
$22.10
5V 8 Channel Relay Module 2PCS Opto Isolated
eBay
Free shipping
$0.88
1 Way 30A Circuit With Optocoupler Isolation Support High And Low Level Trigger Switches Relay Module 5V12V High Current
Alibaba B2B
Free shipping
$0.88
1 Way 30A Circuit With Optocoupler Isolation Support High And Low Level Trigger Switches Relay Module 5V12V High Current
Alibaba B2B
Free shipping
$14.17
5V/12V 1 Way Relay Module With Optocoupler Isolation Relay Board High Quality
eBay
Free shipping
$14.17
5V/12V 1 Way Relay Module With Optocoupler Isolation Relay Board High Quality
eBay
Free shipping
$14.17
5V/12V 1 Way Relay Module With Optocoupler Isolation Relay Board High Quality
eBay
Free shipping
$14.17
5V/12V 1 Way Relay Module With Optocoupler Isolation Relay Board High Quality
eBay
Free shipping
$0.20
1 Channel Relay Module With Optocoupler Isolation Support High Low Level Trigger 5V/9V/12V/24V Relay
Alibaba B2B
Free shipping
$0.20
1 Channel Relay Module With Optocoupler Isolation Support High Low Level Trigger 5V/9V/12V/24V Relay
Alibaba B2B
Free shipping