购买 opto-isolated relay module

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$15.99
12Pcs 1 Channel Optocoupler Relay High Level Driver Module Optocoupler Relay Module Isolated Drive Control Board 3V/3.3V Relay Power Switch Board For
Amazon.com
$15.99
12Pcs 1 Channel Optocoupler Relay High Level Driver Module Optocoupler Relay Module Isolated Drive Control Board 3V/3.3V Relay Power Switch Board For
Amazon.com
$5.89
Hiletgo 12V 1 Channel Relay Module With Optocoupler Isolation Support High Or Low Level Trigger
Amazon.com
$5.89
Hiletgo 12V 1 Channel Relay Module With Optocoupler Isolation Support High Or Low Level Trigger
Amazon.com
$5.88
1Pc Green 1-Channel PC817 Optocoupler Isolation Module Optoelectronic Isolator Signal Isolation And Anti-Interference 3-5V 12V 24V Optocouplers
Amazon.com
$5.88
1Pc Green 1-Channel PC817 Optocoupler Isolation Module Optoelectronic Isolator Signal Isolation And Anti-Interference 3-5V 12V 24V Optocouplers
Amazon.com
$7.99
Hiletgo 4 Channel 24V Relay Module With OPTO-Isolated Support High And Low Level Trigger For PLC Automation Equipment Control
Amazon.com
$7.99
Hiletgo 4 Channel 24V Relay Module With OPTO-Isolated Support High And Low Level Trigger For PLC Automation Equipment Control
Amazon.com
$10.97
8 Channel 5V Relay Module With Optocoupler Isolation Support High And Low Level Red Board
Amazon.com
$10.97
8 Channel 5V Relay Module With Optocoupler Isolation Support High And Low Level Red Board
Amazon.com
$23.99
Optocoupler Isolated 4-Channel Relay Module, High/Low Trigger Support, 5V-24V 5V
Digitalzakka
$23.99
Optocoupler Isolated 4-Channel Relay Module, High/Low Trigger Support, 5V-24V 5V
Digitalzakka
$23.99
Optocoupler Isolated 4-Channel Relay Module, High/Low Trigger Support, 5V-24V 12V
Digitalzakka
$23.99
Optocoupler Isolated 4-Channel Relay Module, High/Low Trigger Support, 5V-24V 12V
Digitalzakka
$23.99
Optocoupler Isolated 4-Channel Relay Module, High/Low Trigger Support, 5V-24V 24V
Digitalzakka
$23.99
Optocoupler Isolated 4-Channel Relay Module, High/Low Trigger Support, 5V-24V 24V
Digitalzakka
$7.99
CTWHA 1 Channel 5V Relay Module With Optocoupler Isolated Load For PLC Automation Equipment Control Industrial Control High Low Level Trigger Internet
Amazon.com
$7.99
CTWHA 1 Channel 5V Relay Module With Optocoupler Isolated Load For PLC Automation Equipment Control Industrial Control High Low Level Trigger Internet
Amazon.com
$194.35
Opto 22 SNAP-OMR6-C | OUTPUT MODULE, 4-CHANNEL, ISOLATED MECHANICAL POWER RELAY, FORM C, SNAP SERIES | PLC Expansion Modules | NULL
RS
$194.35
Opto 22 SNAP-OMR6-C | OUTPUT MODULE, 4-CHANNEL, ISOLATED MECHANICAL POWER RELAY, FORM C, SNAP SERIES | PLC Expansion Modules | NULL
RS
$11.18
Hibctr 12V 8-Channel Relay Module With Optocoupler Isolation - High/Low Level Trigger 10A 250VAC For Arduino/PLC Industrial Control
Amazon.com
$11.18
Hibctr 12V 8-Channel Relay Module With Optocoupler Isolation - High/Low Level Trigger 10A 250VAC For Arduino/PLC Industrial Control
Amazon.com
$12.99
Teyleten Robot DC 1 Channel Optocoupler 3V/3.3V Relay High Level Driver Module Isolated Drive Control Board 3V/3.3V Relay Module For Arduino (Pack Of
Amazon.com
$12.99
Teyleten Robot DC 1 Channel Optocoupler 3V/3.3V Relay High Level Driver Module Isolated Drive Control Board 3V/3.3V Relay Module For Arduino (Pack Of
Amazon.com
$9.98
Podazz 5Pcs DC 1-Channel Optocoupler 3V/3.3V Relay High Level Driver Module, Isolated Driver Controller Board For Arduino 3V/3.3V Relay Module
Amazon.com
$9.98
Podazz 5Pcs DC 1-Channel Optocoupler 3V/3.3V Relay High Level Driver Module, Isolated Driver Controller Board For Arduino 3V/3.3V Relay Module
Amazon.com
$7.11
Relay Board, Relay Module 4 Channel With Optocoupler Low Level Expansion Board For 5V/12V/24V(5V)
Amazon.com
$7.11
Relay Board, Relay Module 4 Channel With Optocoupler Low Level Expansion Board For 5V/12V/24V(5V)
Amazon.com
$8.79
ABS With Optocoupler DC Output 817 4 Channel Voltage Isolation Board Level Relay Module Relay Module Board For Calibrating
Amazon.com
Free shipping
$8.79
ABS With Optocoupler DC Output 817 4 Channel Voltage Isolation Board Level Relay Module Relay Module Board For Calibrating
Amazon.com
$2.05
$4.34
1 Channel 5V Relay Module With Optocoupler Isolation Relay MCU Expansion Board High Level Trigger
Aliexpress
折扣 52%
$2.05
$4.34
1 Channel 5V Relay Module With Optocoupler Isolation Relay MCU Expansion Board High Level Trigger
Aliexpress
$6.20
$6.74
Optocoupler Isolation Relay Module 4 Channel FET Field-Effect Tube Module NMOS FR1205 DC 5-24V
Aliexpress
$6.20
$6.74
Optocoupler Isolation Relay Module 4 Channel FET Field-Effect Tube Module NMOS FR1205 DC 5-24V
Aliexpress
$6.97
Hibctr 4 Packs 5V One Channel Relay Module Relay Switch With OPTO Isolation High Low Level Trigger.
Amazon.com
$6.97
Hibctr 4 Packs 5V One Channel Relay Module Relay Switch With OPTO Isolation High Low Level Trigger.
Amazon.com
$29.66
(10Pcs)1 Channel 5V/12V/24V Relay Module With Optocoupler Isolation Support High/Low Level Trigger Development Boards (5, Volts)
Amazon.com
Free shipping
$29.66
(10Pcs)1 Channel 5V/12V/24V Relay Module With Optocoupler Isolation Support High/Low Level Trigger Development Boards (5, Volts)
Amazon.com
$9.99
AEDIKO 6Pcs 1 Channel Relay Module DC 3V/3.3V High Level Driver Optocoupler Module Isolated Drive Control Board
Amazon.com
$9.99
AEDIKO 6Pcs 1 Channel Relay Module DC 3V/3.3V High Level Driver Optocoupler Module Isolated Drive Control Board
Amazon.com
$17.95
JESSINIE 16 Channel 5V Relay Module With Optocoupler Isolation 10A IIC Expandable Isolation Driver Relay Board XL9535-K16V5
Amazon.com
$17.95
JESSINIE 16 Channel 5V Relay Module With Optocoupler Isolation 10A IIC Expandable Isolation Driver Relay Board XL9535-K16V5
Amazon.com
$16.99
4 Channel 12V Relay Module With Optocoupler High Or Low Level Trigger Expansion Board(2PCS) (4 Channel 12V Relay, 4 Channel 12V Relay)
Amazon.com
$16.99
4 Channel 12V Relay Module With Optocoupler High Or Low Level Trigger Expansion Board(2PCS) (4 Channel 12V Relay, 4 Channel 12V Relay)
Amazon.com
$1.68
$2.58
Relay Module 1 Channel 5V 12V 24V Board Shield With Optocoupler Isolation Support High And Low Level
Aliexpress
折扣 34%
$1.68
$2.58
Relay Module 1 Channel 5V 12V 24V Board Shield With Optocoupler Isolation Support High And Low Level
Aliexpress
$10.29
16 Channel Relay Module With Optocoupler Protection LM2596 Power Control Board Module 5V Or 12V For
Aliexpress
$10.29
16 Channel Relay Module With Optocoupler Protection LM2596 Power Control Board Module 5V Or 12V For
Aliexpress
$8.77
$9.97
JESSINIE 5V Relay Module With Optocoupler Isolation, 8 Channel High/Low Level Trigger, Compatible With Arduino Raspberry Pi For DIY Projects
Amazon.com
折扣 12%
$8.77
$9.97
JESSINIE 5V Relay Module With Optocoupler Isolation, 8 Channel High/Low Level Trigger, Compatible With Arduino Raspberry Pi For DIY Projects
Amazon.com
$17.65
Hi Letgo 12 V 4 Channel Relay Module With Opto Isolated Support High And Low Level Trigger
Everymarket INC
$17.65
Hi Letgo 12 V 4 Channel Relay Module With Opto Isolated Support High And Low Level Trigger
Everymarket INC
$22.97
Hibctr 20 Packs 5V One Channel Relay Module Relay Switch With OPTO Isolation High Low Level Trigger.
Amazon.com
$22.97
Hibctr 20 Packs 5V One Channel Relay Module Relay Switch With OPTO Isolation High Low Level Trigger.
Amazon.com
Configurable Active High or Low Relay Module, with opto-isolated input
1:57
Configurable Active High or Low Relay Module, with opto-isolated i…
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YouTubeCytron Technologies
How Optocouplers work - opto-isolator solid state relays phototransistor
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How Optocouplers work - opto-isolator solid state relays phototra…
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YouTubeThe Engineering Mindset
How a PC817 Isolation Module Can Transform Your Project | Arduino Tutorial
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How a PC817 Isolation Module Can Transform Your Project | Arduino …
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YouTubeDiY恋人たち@工作室
Groovy 8 Way Opto Isolated Relay Board
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在视频中查找 06:11Opto
Groovy 8 Way Opto Isolated Relay Board
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YouTubebackofficeshow
Automation Tools - Solid State Relay Opto Isolator
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Automation Tools - Solid State Relay Opto Isolator
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Optocoupler & SSR: Learn about Opto-Isolator and Solid State Relay SSR (animation video).
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YouTubeGigaOhm
How to Control a Relay Module Using Optocoupler & Transistor in Proteus | Isolated Power Switching
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在视频中查找 00:55Relay Board Setup and Code Modification
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YouTubeBrian Patton
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NO NC Relay (1-Channel) DC 5V with Optocoupler Isolator
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Waveshare Modbus RTU Relay，Supports Modbus RTU/TC…
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5V 1 Channel Level Trigger Optocoupler Relay Module For Ar…
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购买 opto-isolated relay module

广告
关于我们的广告
$15.99
12Pcs 1 Channel Optocoupler Relay High Level Driver Module Optocoupler Relay Module Isolated Drive Control Board 3V/3.3V Relay Power Switch Board For
Amazon.com
$15.99
12Pcs 1 Channel Optocoupler Relay High Level Driver Module Optocoupler Relay Module Isolated Drive Control Board 3V/3.3V Relay Power Switch Board For
Amazon.com
$5.89
Hiletgo 12V 1 Channel Relay Module With Optocoupler Isolation Support High Or Low Level Trigger
Amazon.com
$5.89
Hiletgo 12V 1 Channel Relay Module With Optocoupler Isolation Support High Or Low Level Trigger
Amazon.com
$5.88
1Pc Green 1-Channel PC817 Optocoupler Isolation Module Optoelectronic Isolator Signal Isolation And Anti-Interference 3-5V 12V 24V Optocouplers
Amazon.com
$5.88
1Pc Green 1-Channel PC817 Optocoupler Isolation Module Optoelectronic Isolator Signal Isolation And Anti-Interference 3-5V 12V 24V Optocouplers
Amazon.com
$7.99
Hiletgo 4 Channel 24V Relay Module With OPTO-Isolated Support High And Low Level Trigger For PLC Automation Equipment Control
Amazon.com
$7.99
Hiletgo 4 Channel 24V Relay Module With OPTO-Isolated Support High And Low Level Trigger For PLC Automation Equipment Control
Amazon.com
$10.97
8 Channel 5V Relay Module With Optocoupler Isolation Support High And Low Level Red Board
Amazon.com
$10.97
8 Channel 5V Relay Module With Optocoupler Isolation Support High And Low Level Red Board
Amazon.com
$23.99
Optocoupler Isolated 4-Channel Relay Module, High/Low Trigger Support, 5V-24V 5V
Digitalzakka
$23.99
Optocoupler Isolated 4-Channel Relay Module, High/Low Trigger Support, 5V-24V 5V
Digitalzakka
$23.99
Optocoupler Isolated 4-Channel Relay Module, High/Low Trigger Support, 5V-24V 12V
Digitalzakka
$23.99
Optocoupler Isolated 4-Channel Relay Module, High/Low Trigger Support, 5V-24V 12V
Digitalzakka
$23.99
Optocoupler Isolated 4-Channel Relay Module, High/Low Trigger Support, 5V-24V 24V
Digitalzakka
$23.99
Optocoupler Isolated 4-Channel Relay Module, High/Low Trigger Support, 5V-24V 24V
Digitalzakka
$7.99
CTWHA 1 Channel 5V Relay Module With Optocoupler Isolated Load For PLC Automation Equipment Control Industrial Control High Low Level Trigger Internet
Amazon.com
$7.99
CTWHA 1 Channel 5V Relay Module With Optocoupler Isolated Load For PLC Automation Equipment Control Industrial Control High Low Level Trigger Internet
Amazon.com
$194.35
Opto 22 SNAP-OMR6-C | OUTPUT MODULE, 4-CHANNEL, ISOLATED MECHANICAL POWER RELAY, FORM C, SNAP SERIES | PLC Expansion Modules | NULL
RS
$194.35
Opto 22 SNAP-OMR6-C | OUTPUT MODULE, 4-CHANNEL, ISOLATED MECHANICAL POWER RELAY, FORM C, SNAP SERIES | PLC Expansion Modules | NULL
RS
$11.18
Hibctr 12V 8-Channel Relay Module With Optocoupler Isolation - High/Low Level Trigger 10A 250VAC For Arduino/PLC Industrial Control
Amazon.com
$11.18
Hibctr 12V 8-Channel Relay Module With Optocoupler Isolation - High/Low Level Trigger 10A 250VAC For Arduino/PLC Industrial Control
Amazon.com
$12.99
Teyleten Robot DC 1 Channel Optocoupler 3V/3.3V Relay High Level Driver Module Isolated Drive Control Board 3V/3.3V Relay Module For Arduino (Pack Of
Amazon.com
$12.99
Teyleten Robot DC 1 Channel Optocoupler 3V/3.3V Relay High Level Driver Module Isolated Drive Control Board 3V/3.3V Relay Module For Arduino (Pack Of
Amazon.com
$9.98
Podazz 5Pcs DC 1-Channel Optocoupler 3V/3.3V Relay High Level Driver Module, Isolated Driver Controller Board For Arduino 3V/3.3V Relay Module
Amazon.com
$9.98
Podazz 5Pcs DC 1-Channel Optocoupler 3V/3.3V Relay High Level Driver Module, Isolated Driver Controller Board For Arduino 3V/3.3V Relay Module
Amazon.com
$7.11
Relay Board, Relay Module 4 Channel With Optocoupler Low Level Expansion Board For 5V/12V/24V(5V)
Amazon.com
$7.11
Relay Board, Relay Module 4 Channel With Optocoupler Low Level Expansion Board For 5V/12V/24V(5V)
Amazon.com
$8.79
ABS With Optocoupler DC Output 817 4 Channel Voltage Isolation Board Level Relay Module Relay Module Board For Calibrating
Amazon.com
Free shipping
$8.79
ABS With Optocoupler DC Output 817 4 Channel Voltage Isolation Board Level Relay Module Relay Module Board For Calibrating
Amazon.com
$2.05
$4.34
1 Channel 5V Relay Module With Optocoupler Isolation Relay MCU Expansion Board High Level Trigger
Aliexpress
折扣 52%
$2.05
$4.34
1 Channel 5V Relay Module With Optocoupler Isolation Relay MCU Expansion Board High Level Trigger
Aliexpress
$6.20
$6.74
Optocoupler Isolation Relay Module 4 Channel FET Field-Effect Tube Module NMOS FR1205 DC 5-24V
Aliexpress
$6.20
$6.74
Optocoupler Isolation Relay Module 4 Channel FET Field-Effect Tube Module NMOS FR1205 DC 5-24V
Aliexpress
$6.97
Hibctr 4 Packs 5V One Channel Relay Module Relay Switch With OPTO Isolation High Low Level Trigger.
Amazon.com
$6.97
Hibctr 4 Packs 5V One Channel Relay Module Relay Switch With OPTO Isolation High Low Level Trigger.
Amazon.com