Shop optocoupler relay

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$15.99
Dafurui 5V Relay Module8pack 1 Channel Relay Module 5V Relays Board With Optocoupler Support High/Low Level Trigger For Arduino Relays
Amazon.com
77
$15.99
Dafurui 5V Relay Module8pack 1 Channel Relay Module 5V Relays Board With Optocoupler Support High/Low Level Trigger For Arduino Relays
Amazon.com
$20.00
Optocoupler Relay: 0.5A, SPST, 35mm DIN rail mount (PN# 52507)
Automation Direct
$20.00
Optocoupler Relay: 0.5A, SPST, 35mm DIN rail mount (PN# 52507)
Automation Direct
$20.50
Optocoupler Relay: 2A, SPST, 35mm DIN rail mount (PN# 52501)
Automation Direct
1
$20.50
Optocoupler Relay: 2A, SPST, 35mm DIN rail mount (PN# 52501)
Automation Direct
$129.66
Broadcom Limited 8302401EA Logic Output Optocouplers
Mouser Electronics
$129.66
Broadcom Limited 8302401EA Logic Output Optocouplers
Mouser Electronics
$22.50
Optocoupler Relay: 0.2A, SPST, 35mm DIN rail mount (PN# 52511)
Automation Direct
2
$22.50
Optocoupler Relay: 0.2A, SPST, 35mm DIN rail mount (PN# 52511)
Automation Direct
$22.50
Optocoupler Relay: 0.5A, SPST, 35mm DIN rail mount (PN# 52550)
Automation Direct
$22.50
Optocoupler Relay: 0.5A, SPST, 35mm DIN rail mount (PN# 52550)
Automation Direct
$5.89
Hiletgo 12V 1 Channel Relay Module With Optocoupler Isolation Support High Or Low Level Trigger
Amazon.com
205
$5.89
Hiletgo 12V 1 Channel Relay Module With Optocoupler Isolation Support High Or Low Level Trigger
Amazon.com
$11.39
Lystin 8 Channel DC 5V DC 230V Relay Module Control Board With Optocoupler For UNO R3 MEGA 2560 1280 DSP ARM PIC AVR TTL Logic STM32 Raspberry Pi
Amazon.com
40
$11.39
Lystin 8 Channel DC 5V DC 230V Relay Module Control Board With Optocoupler For UNO R3 MEGA 2560 1280 DSP ARM PIC AVR TTL Logic STM32 Raspberry Pi
Amazon.com
$11.99
AEDIKO 10Pcs Relay Module DC 12V Relay Board 1 Channel With Optocoupler Isolation Support High Or Low Level
Amazon.com
129
$11.99
AEDIKO 10Pcs Relay Module DC 12V Relay Board 1 Channel With Optocoupler Isolation Support High Or Low Level
Amazon.com
$129.18
Broadcom Limited 8302401EC Logic Output Optocouplers
Mouser Electronics
$129.18
Broadcom Limited 8302401EC Logic Output Optocouplers
Mouser Electronics
$1.38
5V 12V 1 2 4 6 8 Way Relay Module For Arduino 1 2 4 6 8 Channel Relay Module With Optocoupler Relay
Aliexpress
$1.38
5V 12V 1 2 4 6 8 Way Relay Module For Arduino 1 2 4 6 8 Channel Relay Module With Optocoupler Relay
Aliexpress
$1.52
1-5Pcs DC 5V 9V 12V 24V 1 Channel Relay Module With Optocoupler Shield Board High Low Level Trigger
Aliexpress
$1.52
1-5Pcs DC 5V 9V 12V 24V 1 Channel Relay Module With Optocoupler Shield Board High Low Level Trigger
Aliexpress
$100.50
5V 12V 24V Relay High Low Level Optocoupler Board Module 1-2-4-6-8 Pi Channel
eBay
$100.50
5V 12V 24V Relay High Low Level Optocoupler Board Module 1-2-4-6-8 Pi Channel
eBay
$266.70
$330.04
12V 30A One Channel Relay Module With Optocoupler Isolation Support High And Low Level Trigger
zithazi
19% off
$266.70
$330.04
12V 30A One Channel Relay Module With Optocoupler Isolation Support High And Low Level Trigger
zithazi
$85.18
Phoenix Contact 5521856 | OPTOCOUPLER, MODULE, DIN RAIL ADAPTER, FOR OPTO 22 G4/GRAYHILL G5 SOLID-STATE RELAY | Industrial Optocouplers | FLKM I/O-G4
RS
$85.18
Phoenix Contact 5521856 | OPTOCOUPLER, MODULE, DIN RAIL ADAPTER, FOR OPTO 22 G4/GRAYHILL G5 SOLID-STATE RELAY | Industrial Optocouplers | FLKM I/O-G4
RS
$131.10
5V 12V 24V Relay High Low Level Optocoupler Board Module 1-2-4-6-8 Pi Channel
eBay
$131.10
5V 12V 24V Relay High Low Level Optocoupler Board Module 1-2-4-6-8 Pi Channel
eBay
$130.34
3/3.3/5/12/24V Relay Module With Optocoupler 1/2/4/8 Channel Electronic Moulding
eBay
$130.34
3/3.3/5/12/24V Relay Module With Optocoupler 1/2/4/8 Channel Electronic Moulding
eBay
$289.30
4Pcs 12V 2CH Channel Relay Module With Optocoupler For PIC AVR DSP ARM
zithazi
$289.30
4Pcs 12V 2CH Channel Relay Module With Optocoupler For PIC AVR DSP ARM
zithazi
$3.37
OPI1264C - TT Electronics - Optocouplers / Photocouplers
Sager Electronics
$3.37
OPI1264C - TT Electronics - Optocouplers / Photocouplers
Sager Electronics
$44.16
859-796 WAGO Optocoupler Module - 24VDC Input - Gray
Valin Process Control Solutions
$44.16
859-796 WAGO Optocoupler Module - 24VDC Input - Gray
Valin Process Control Solutions
$1.25
$2.48
DC 5V 12V 24V 1 2 4 6 8 Channel Relay Module Board Shield With Optocoupler / High And Low Level
Aliexpress
49% off
$1.25
$2.48
DC 5V 12V 24V 1 2 4 6 8 Channel Relay Module Board Shield With Optocoupler / High And Low Level
Aliexpress
$9.89
Sunfounder 5V 8 Channel Relay Shield Module For Arduino R3 2560 1280 ARM PIC AVR STM32 Raspberry Pi 3, 2 Model B & B+
Amazon.com
1K+
$9.89
Sunfounder 5V 8 Channel Relay Shield Module For Arduino R3 2560 1280 ARM PIC AVR STM32 Raspberry Pi 3, 2 Model B & B+
Amazon.com
$60.78
5V 12V 24V Relay High Low Level Optocoupler Board Module 1-2-4-6-8 Pi Channel
eBay
$60.78
5V 12V 24V Relay High Low Level Optocoupler Board Module 1-2-4-6-8 Pi Channel
eBay
$48.18
5V 12V 24V 4 Channel Relay High Low Level Optocoupler Module With Optocoupler
eBay
$48.18
5V 12V 24V 4 Channel Relay High Low Level Optocoupler Module With Optocoupler
eBay
$67.45
1/2/4/8 Channel Relay Board Module Optocoupler Relay High Low 5V 12V 24V New
eBay
$67.45
1/2/4/8 Channel Relay Board Module Optocoupler Relay High Low 5V 12V 24V New
eBay
$95.98
5V 12V 24V 4 Channel Relay High Low Level Optocoupler Module With Optocoupler
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$95.98
5V 12V 24V 4 Channel Relay High Low Level Optocoupler Module With Optocoupler
eBay
$78.63
5V 12V 24V 1-2-4-6-8 Channel Relay High Level Low Level Optocoupler Module PI
eBay
$78.63
5V 12V 24V 1-2-4-6-8 Channel Relay High Level Low Level Optocoupler Module PI
eBay
$168.10
Phoenix Contact 2941374 | TERMINAL BLOCK POWER OPTOCOUPLER 24VDC INPUT 3-30VDC 3A OUTPUT 6.2mm W | Solid State Relays | DEK-OV- 24DC/24DC/3
RS
$168.10
Phoenix Contact 2941374 | TERMINAL BLOCK POWER OPTOCOUPLER 24VDC INPUT 3-30VDC 3A OUTPUT 6.2mm W | Solid State Relays | DEK-OV- 24DC/24DC/3
RS
$52.24
5V 12V 24V 1-2-4-6-8 Channel Relay High Low Level Optocoupler Module For PI
eBay
$52.24
5V 12V 24V 1-2-4-6-8 Channel Relay High Low Level Optocoupler Module For PI
eBay
$42.62
5V 12V 24V 1-2-4-6-8 Channel Relay High Level Low Level Optocoupler Module PI
eBay
$42.62
5V 12V 24V 1-2-4-6-8 Channel Relay High Level Low Level Optocoupler Module PI
eBay
$43.49
5V 12V 24V 1-2-4-6-8 Channel Relay High Level Low Level Optocoupler Module PI
eBay
$43.49
5V 12V 24V 1-2-4-6-8 Channel Relay High Level Low Level Optocoupler Module PI
eBay
$33.30
5603263 Phoenix Contact - Optocoupler - PLC-OSC-120UC/ 48DC/100/C1D2
WiAutomation US
$33.30
5603263 Phoenix Contact - Optocoupler - PLC-OSC-120UC/ 48DC/100/C1D2
WiAutomation US
$55.33
1/2/4/6/8 Channel Relay Board Module 5V 12V24V Optocoupler Isolation Arduino Pid
eBay
$55.33
1/2/4/6/8 Channel Relay Board Module 5V 12V24V Optocoupler Isolation Arduino Pid
eBay
$50.94
5V 12V 24V 1-2-4-6-8 Channel Relay High Level Low Level Optocoupler Module PI
eBay
$50.94
5V 12V 24V 1-2-4-6-8 Channel Relay High Level Low Level Optocoupler Module PI
eBay
$98.10
5V 12V 24V 4 Channel Relay High Low Level Optocoupler Module With Optocoupler. General Purpose Relays.
eBay
$98.10
5V 12V 24V 4 Channel Relay High Low Level Optocoupler Module With Optocoupler. General Purpose Relays.
eBay
$17.70
SSR Relay 24VDC 16..30V 7Ma - Optocoupler 6A 34...
delupe.com
$17.70
SSR Relay 24VDC 16..30V 7Ma - Optocoupler 6A 34...
delupe.com
Relay 12V with Optocupler, how to?
Relay 12V with Optocupler, how to?
Sep 1, 2018
arduino.cc
How Optocouplers work - opto-isolator solid state relays phototransistor
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How Optocouplers work - opto-isolator solid state relays phototra…
1.5M viewsMar 21, 2021
YouTubeThe Engineering Mindset
How to Control a Relay Module Using Optocoupler & Transistor in Proteus | Isolated Power Switching
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How to Control a Relay Module Using Optocoupler & Transistor i…
658 views2 months ago
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How to Design Relay Module using Optocoupler || Relay Module Circuit
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How to Design Relay Module using Optocoupler || Relay Module Circuit
423 views8 months ago
YouTubeTechEcos
How to use an Optocoupler Relay with FPB-RA0E1
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How to use an Optocoupler Relay with FPB-RA0E1
74 views3 months ago
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How Optocouplers Work and How to Use Them - DC To Daylight
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How Optocouplers Work and How to Use Them - DC To Daylight
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NO NC Relay (1-Channel) DC 5V with Optocoupler Isolator
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"Optocoupler 817 Project – Isolated Control of High Voltage Devices"
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Understanding Optocouplers: How They Work and Applications
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Shop optocoupler relay

Sponsored
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$1.52
1-5Pcs DC 5V 9V 12V 24V 1 Channel Relay Module With Optocoupler Shield Board High Low Level Trigger
Aliexpress
$1.52
1-5Pcs DC 5V 9V 12V 24V 1 Channel Relay Module With Optocoupler Shield Board High Low Level Trigger
Aliexpress
$100.50
5V 12V 24V Relay High Low Level Optocoupler Board Module 1-2-4-6-8 Pi Channel
eBay
$100.50
5V 12V 24V Relay High Low Level Optocoupler Board Module 1-2-4-6-8 Pi Channel
eBay
$266.70
$330.04
12V 30A One Channel Relay Module With Optocoupler Isolation Support High And Low Level Trigger
zithazi
19% off
$266.70
$330.04
12V 30A One Channel Relay Module With Optocoupler Isolation Support High And Low Level Trigger
zithazi
$85.18
Phoenix Contact 5521856 | OPTOCOUPLER, MODULE, DIN RAIL ADAPTER, FOR OPTO 22 G4/GRAYHILL G5 SOLID-STATE RELAY | Industrial Optocouplers | FLKM I/O-G4
RS
$85.18
Phoenix Contact 5521856 | OPTOCOUPLER, MODULE, DIN RAIL ADAPTER, FOR OPTO 22 G4/GRAYHILL G5 SOLID-STATE RELAY | Industrial Optocouplers | FLKM I/O-G4
RS
$131.10
5V 12V 24V Relay High Low Level Optocoupler Board Module 1-2-4-6-8 Pi Channel
eBay
$131.10
5V 12V 24V Relay High Low Level Optocoupler Board Module 1-2-4-6-8 Pi Channel
eBay
$130.34
3/3.3/5/12/24V Relay Module With Optocoupler 1/2/4/8 Channel Electronic Moulding
eBay
$130.34
3/3.3/5/12/24V Relay Module With Optocoupler 1/2/4/8 Channel Electronic Moulding
eBay
$289.30
4Pcs 12V 2CH Channel Relay Module With Optocoupler For PIC AVR DSP ARM
zithazi
$289.30
4Pcs 12V 2CH Channel Relay Module With Optocoupler For PIC AVR DSP ARM
zithazi
$3.37
OPI1264C - TT Electronics - Optocouplers / Photocouplers
Sager Electronics
$3.37
OPI1264C - TT Electronics - Optocouplers / Photocouplers
Sager Electronics
$44.16
859-796 WAGO Optocoupler Module - 24VDC Input - Gray
Valin Process Control Solutions
$44.16
859-796 WAGO Optocoupler Module - 24VDC Input - Gray
Valin Process Control Solutions
$1.25
$2.48
DC 5V 12V 24V 1 2 4 6 8 Channel Relay Module Board Shield With Optocoupler / High And Low Level
Aliexpress
49% off
$1.25
$2.48
DC 5V 12V 24V 1 2 4 6 8 Channel Relay Module Board Shield With Optocoupler / High And Low Level
Aliexpress
$9.89
Sunfounder 5V 8 Channel Relay Shield Module For Arduino R3 2560 1280 ARM PIC AVR STM32 Raspberry Pi 3, 2 Model B & B+
Amazon.com
1K+
$9.89
Sunfounder 5V 8 Channel Relay Shield Module For Arduino R3 2560 1280 ARM PIC AVR STM32 Raspberry Pi 3, 2 Model B & B+
Amazon.com
$60.78
5V 12V 24V Relay High Low Level Optocoupler Board Module 1-2-4-6-8 Pi Channel
eBay
$60.78
5V 12V 24V Relay High Low Level Optocoupler Board Module 1-2-4-6-8 Pi Channel
eBay
$48.18
5V 12V 24V 4 Channel Relay High Low Level Optocoupler Module With Optocoupler
eBay
$48.18
5V 12V 24V 4 Channel Relay High Low Level Optocoupler Module With Optocoupler
eBay
$67.45
1/2/4/8 Channel Relay Board Module Optocoupler Relay High Low 5V 12V 24V New
eBay
$67.45
1/2/4/8 Channel Relay Board Module Optocoupler Relay High Low 5V 12V 24V New
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$95.98
5V 12V 24V 4 Channel Relay High Low Level Optocoupler Module With Optocoupler
eBay
$95.98
5V 12V 24V 4 Channel Relay High Low Level Optocoupler Module With Optocoupler
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$78.63
5V 12V 24V 1-2-4-6-8 Channel Relay High Level Low Level Optocoupler Module PI
eBay
$78.63
5V 12V 24V 1-2-4-6-8 Channel Relay High Level Low Level Optocoupler Module PI
eBay
$168.10
Phoenix Contact 2941374 | TERMINAL BLOCK POWER OPTOCOUPLER 24VDC INPUT 3-30VDC 3A OUTPUT 6.2mm W | Solid State Relays | DEK-OV- 24DC/24DC/3
RS
$168.10
Phoenix Contact 2941374 | TERMINAL BLOCK POWER OPTOCOUPLER 24VDC INPUT 3-30VDC 3A OUTPUT 6.2mm W | Solid State Relays | DEK-OV- 24DC/24DC/3
RS
$52.24
5V 12V 24V 1-2-4-6-8 Channel Relay High Low Level Optocoupler Module For PI
eBay
$52.24
5V 12V 24V 1-2-4-6-8 Channel Relay High Low Level Optocoupler Module For PI
eBay

Shop optocoupler relay

Sponsored
About our ads
$15.99
Dafurui 5V Relay Module8pack 1 Channel Relay Module 5V Relays Board With Optocoupler Support High/Low Level Trigger For Arduino Relays
Amazon.com
77
$15.99
Dafurui 5V Relay Module8pack 1 Channel Relay Module 5V Relays Board With Optocoupler Support High/Low Level Trigger For Arduino Relays
Amazon.com
$20.00
Optocoupler Relay: 0.5A, SPST, 35mm DIN rail mount (PN# 52507)
Automation Direct
$20.00
Optocoupler Relay: 0.5A, SPST, 35mm DIN rail mount (PN# 52507)
Automation Direct
$20.50
Optocoupler Relay: 2A, SPST, 35mm DIN rail mount (PN# 52501)
Automation Direct
1
$20.50
Optocoupler Relay: 2A, SPST, 35mm DIN rail mount (PN# 52501)
Automation Direct
$129.66
Broadcom Limited 8302401EA Logic Output Optocouplers
Mouser Electronics
$129.66
Broadcom Limited 8302401EA Logic Output Optocouplers
Mouser Electronics
$22.50
Optocoupler Relay: 0.2A, SPST, 35mm DIN rail mount (PN# 52511)
Automation Direct
2
$22.50
Optocoupler Relay: 0.2A, SPST, 35mm DIN rail mount (PN# 52511)
Automation Direct
$22.50
Optocoupler Relay: 0.5A, SPST, 35mm DIN rail mount (PN# 52550)
Automation Direct
$22.50
Optocoupler Relay: 0.5A, SPST, 35mm DIN rail mount (PN# 52550)
Automation Direct
$5.89
Hiletgo 12V 1 Channel Relay Module With Optocoupler Isolation Support High Or Low Level Trigger
Amazon.com
205
$5.89
Hiletgo 12V 1 Channel Relay Module With Optocoupler Isolation Support High Or Low Level Trigger
Amazon.com
$11.39
Lystin 8 Channel DC 5V DC 230V Relay Module Control Board With Optocoupler For UNO R3 MEGA 2560 1280 DSP ARM PIC AVR TTL Logic STM32 Raspberry Pi
Amazon.com
40
$11.39
Lystin 8 Channel DC 5V DC 230V Relay Module Control Board With Optocoupler For UNO R3 MEGA 2560 1280 DSP ARM PIC AVR TTL Logic STM32 Raspberry Pi
Amazon.com
$11.99
AEDIKO 10Pcs Relay Module DC 12V Relay Board 1 Channel With Optocoupler Isolation Support High Or Low Level
Amazon.com
129
$11.99
AEDIKO 10Pcs Relay Module DC 12V Relay Board 1 Channel With Optocoupler Isolation Support High Or Low Level
Amazon.com
$129.18
Broadcom Limited 8302401EC Logic Output Optocouplers
Mouser Electronics
$129.18
Broadcom Limited 8302401EC Logic Output Optocouplers
Mouser Electronics
$1.38
5V 12V 1 2 4 6 8 Way Relay Module For Arduino 1 2 4 6 8 Channel Relay Module With Optocoupler Relay
Aliexpress
$1.38
5V 12V 1 2 4 6 8 Way Relay Module For Arduino 1 2 4 6 8 Channel Relay Module With Optocoupler Relay
Aliexpress
$1.52
1-5Pcs DC 5V 9V 12V 24V 1 Channel Relay Module With Optocoupler Shield Board High Low Level Trigger
Aliexpress
$1.52
1-5Pcs DC 5V 9V 12V 24V 1 Channel Relay Module With Optocoupler Shield Board High Low Level Trigger
Aliexpress
$100.50
5V 12V 24V Relay High Low Level Optocoupler Board Module 1-2-4-6-8 Pi Channel
eBay
$100.50
5V 12V 24V Relay High Low Level Optocoupler Board Module 1-2-4-6-8 Pi Channel
eBay
$266.70
$330.04
12V 30A One Channel Relay Module With Optocoupler Isolation Support High And Low Level Trigger
zithazi
19% off
$266.70
$330.04
12V 30A One Channel Relay Module With Optocoupler Isolation Support High And Low Level Trigger
zithazi
$85.18
Phoenix Contact 5521856 | OPTOCOUPLER, MODULE, DIN RAIL ADAPTER, FOR OPTO 22 G4/GRAYHILL G5 SOLID-STATE RELAY | Industrial Optocouplers | FLKM I/O-G4
RS
$85.18
Phoenix Contact 5521856 | OPTOCOUPLER, MODULE, DIN RAIL ADAPTER, FOR OPTO 22 G4/GRAYHILL G5 SOLID-STATE RELAY | Industrial Optocouplers | FLKM I/O-G4
RS
$131.10
5V 12V 24V Relay High Low Level Optocoupler Board Module 1-2-4-6-8 Pi Channel
eBay
$131.10
5V 12V 24V Relay High Low Level Optocoupler Board Module 1-2-4-6-8 Pi Channel
eBay
$130.34
3/3.3/5/12/24V Relay Module With Optocoupler 1/2/4/8 Channel Electronic Moulding
eBay
$130.34
3/3.3/5/12/24V Relay Module With Optocoupler 1/2/4/8 Channel Electronic Moulding
eBay
$289.30
4Pcs 12V 2CH Channel Relay Module With Optocoupler For PIC AVR DSP ARM
zithazi
$289.30
4Pcs 12V 2CH Channel Relay Module With Optocoupler For PIC AVR DSP ARM
zithazi