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Slot Type IR Optocoupler Speed Sensor Module 3.3V-5V Counter Module 51 AVR PIC 3.3V-5V Diy Kit
Aliexpress
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Slot Type IR Optocoupler Speed Sensor Module 3.3V-5V Counter Module 51 AVR PIC 3.3V-5V Diy Kit
Aliexpress
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PCHI012 OPTO ENGINEERING - Sensors & Switches & Sensor Accessory Supplies
Radwell.com
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Radwell.com
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Slot Type IR Optocoupler Speed Sensor Module 3.3V-5V Counter Module 51 AVR PIC 3.3V-5V Diy Kit
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Slot Type IR Optocoupler Speed Sensor Module 3.3V-5V Counter Module 51 AVR PIC 3.3V-5V Diy Kit
Aliexpress
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PCHI023 OPTO ENGINEERING - Sensors & Switches & Sensor Accessory Supplies
Radwell.com
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Radwell.com
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IR Infrared Slotted Optical Speed Measuring Sensor Detection Optocoupler Module For Motor Test IR
Aliexpress
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IR Infrared Slotted Optical Speed Measuring Sensor Detection Optocoupler Module For Motor Test IR
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Stlxy IR Infrared Slotted Optical Speed Measuring Sensor Detection Optocoupler Module For Motor Test
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Stlxy IR Infrared Slotted Optical Speed Measuring Sensor Detection Optocoupler Module For Motor Test
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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
$0.41
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Stlxy EL357N-C Optocoupler Isolation Module Signal Level Conversion 3.3V 5V 12V 24V NPN PNP
Aliexpress
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Stlxy EL357N-C Optocoupler Isolation Module Signal Level Conversion 3.3V 5V 12V 24V NPN PNP
Aliexpress
$40.38
VTL5C1 Optocoupler, Photocell / LDR Output, Axial, 4 Pins, 40 Ma, 2.5 Kv
eBay
$40.38
VTL5C1 Optocoupler, Photocell / LDR Output, Axial, 4 Pins, 40 Ma, 2.5 Kv
eBay
$1.88
$3.81
1/2/5/10 PCS IR Infrared Slotted Optical Speed Measuring Sensors Optocoupler Module For Motor Test
Aliexpress
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1/2/5/10 PCS IR Infrared Slotted Optical Speed Measuring Sensors Optocoupler Module For Motor Test
Aliexpress
$62.25
859-791 WAGO Optocoupler Module - Nominal Input Voltage: 24 VDC - Output Voltage Range: 20 € 60 VDC - Limiting Continuous Current: 0.1 A - 2-Wire
Onlinecomponents.com
$62.25
859-791 WAGO Optocoupler Module - Nominal Input Voltage: 24 VDC - Output Voltage Range: 20 € 60 VDC - Limiting Continuous Current: 0.1 A - 2-Wire
Onlinecomponents.com
$2.15
$2.20
Stlxy 1-Bit AC 220V Optocoupler Isolation Module Voltage Detect Board Adaptive 3-5V For PLC
Aliexpress
$2.15
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Stlxy 1-Bit AC 220V Optocoupler Isolation Module Voltage Detect Board Adaptive 3-5V For PLC
Aliexpress
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1 Piece 4-Pin Test Optocoupler Tester Optocoupler Detection Tool Online Test Module Replacement
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1 Piece 4-Pin Test Optocoupler Tester Optocoupler Detection Tool Online Test Module Replacement
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1/5/10Pcs 1 Channel 220V AC Optocoupler Module 220V Optocoupler Isolation Detection 220V Voltage Can
Aliexpress
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$1.01
1/5/10Pcs 1 Channel 220V AC Optocoupler Module 220V Optocoupler Isolation Detection 220V Voltage Can
Aliexpress
$136.34
5603260 Phoenix Contact - Optocoupler - PLC-OSC- 24DC/ 24DC/ 2/C1D2 | PLC Direct | Programmable Logic Controllers And Industrial Automation Products
PLC Direct
$136.34
5603260 Phoenix Contact - Optocoupler - PLC-OSC- 24DC/ 24DC/ 2/C1D2 | PLC Direct | Programmable Logic Controllers And Industrial Automation Products
PLC Direct
$66.98
$87.07
Phoenix Contact 2905491 Optocoupler 24V St
Cheekyhost USA
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$66.98
$87.07
Phoenix Contact 2905491 Optocoupler 24V St
Cheekyhost USA
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1Pc V3.0 V4.0 V6.0 Optocoupler Tester Optocoupler Test Detection Tool Optocoupler Online Test Module
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1Pc V3.0 V4.0 V6.0 Optocoupler Tester Optocoupler Test Detection Tool Optocoupler Online Test Module
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OPT101 Analog Light Sensor Monolithic Photodiode CJMCU101 Light Strength Module
eBay
$47.22
OPT101 Analog Light Sensor Monolithic Photodiode CJMCU101 Light Strength Module
eBay
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V3.0 V4.0 V6.0 Optocoupler Tester Optocoupler Test Detection Tool Optocoupler Online Test Module
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V3.0 V4.0 V6.0 Optocoupler Tester Optocoupler Test Detection Tool Optocoupler Online Test Module
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VTL5C4 Optocoupler, Photocell LDR Output, Axial, 4 Pins, 40 Ma, 2.5 Kv. PERKINELM/Excelitas. Electrical Wire & Cable Connectors. VTL5C4.
eBay
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VTL5C4 Optocoupler, Photocell LDR Output, Axial, 4 Pins, 40 Ma, 2.5 Kv. PERKINELM/Excelitas. Electrical Wire & Cable Connectors. VTL5C4.
eBay
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($8.97/Pc) OPL801 Optek Technology/TT Electronics Optocoupler Leaded Process Compatible: Y Optocoupler Leaded Process Compatible: Yes
Onlinecomponents.com
$44.85
($8.97/Pc) OPL801 Optek Technology/TT Electronics Optocoupler Leaded Process Compatible: Y Optocoupler Leaded Process Compatible: Yes
Onlinecomponents.com
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Aliexpress
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Optocoupler Tester Optocoupler Test Detection Tool Optocoupler Online Test Module Optocoupler
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Optocoupler Tester Optocoupler Test Detection Tool Optocoupler Online Test Module Optocoupler
Aliexpress
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5V 1 2 4 6 8 Channel Relay Module With Optocoupler Relay Output 1 2 4 6 8 Way Relay Module For
Aliexpress
$0.67
$0.70
5V 1 2 4 6 8 Channel Relay Module With Optocoupler Relay Output 1 2 4 6 8 Way Relay Module For
Aliexpress
$169.99
5PCS Tfmini-S Lidar Range Finder Sensor Module Micro Ranging Module For Arduino
eBay
$169.99
5PCS Tfmini-S Lidar Range Finder Sensor Module Micro Ranging Module For Arduino
eBay
$3.63
V5.0 Optocoupler Test Instrument 4 Pin Online Detection Tool For Electronic PCB Repair
Aliexpress
$3.63
V5.0 Optocoupler Test Instrument 4 Pin Online Detection Tool For Electronic PCB Repair
Aliexpress
$3.87
$7.58
Optocoupler Tester Optocoupler Test Detection Tool Multifunctional Rapid Detection Tool Electronic
Aliexpress
48% off
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$7.58
Optocoupler Tester Optocoupler Test Detection Tool Multifunctional Rapid Detection Tool Electronic
Aliexpress
$115.50
($3.85/Pc) OPI7002 Optek Technology/TT Electronics Single Channel 30 V 6000 VDC Through Hole Transistor Output Optocoupler
Onlinecomponents.com
$115.50
($3.85/Pc) OPI7002 Optek Technology/TT Electronics Single Channel 30 V 6000 VDC Through Hole Transistor Output Optocoupler
Onlinecomponents.com
Optocoupler working principle
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4N25 Phototransistor Optocoupler IC Proteus Simulation
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Opto-Couplers Theory and Circuits
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5V 1 Channel Level Trigger Optocoupler Relay Module For Ar…
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How Optocoupler works, Practical Demo, applications
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#277 Understanding OPTOCOUPLER or OPTO-ISOLAT…
20.7K viewsOct 10, 2020
YouTubeHaseeb Electronics
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DIY Digital Arduino Tachometer | RPM Counter Using Proximity Sen…
88.7K viewsMay 4, 2020
YouTubeELECTRO MOD
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PC817 Adapter Module Optocoupler with Arduino - zonemaker.com
117.6K viewsJan 6, 2019
YouTubeMaker Tutor
28:53
Senors and Actuators | LED | 7-Segment Display | Optocoupler | S…
8.3K viewsSep 4, 2020
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6:27
Exploring Photovoltaic Optocouplers as MOSFET Drivers
7.5K viewsJul 10, 2019
YouTubeLewis Loflin
5:03
led flasher circuit with optocoupler
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4:51
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38.1K viewsOct 26, 2016
YouTubeNova Technologies
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10:37
#225 How to Test Optocoupler OR Opto-Isolator 4N25GV, 4N35GV
19.3K viewsJul 22, 2020
YouTubeHaseeb Electronics
3:15
How to Test Optocoupler, super simple and easy
251.7K viewsMay 18, 2019
YouTubeABTabi
6:24
How an Optocoupler Works and Example Circuit
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YouTubeLudic Science
1:57
Configurable Active High or Low Relay Module, with opto-isolated i…
63.8K viewsAug 10, 2019
YouTubeCytron Technologies
3:43
What is Optocoupler and How to Check it Easily With Multimeter
241.1K viewsJun 10, 2018
YouTubeElectric Point
See more videos
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Shop optocoupler sensor

Sponsored
About our ads
$1.00
$1.44
Slot Type IR Optocoupler Speed Sensor Module 3.3V-5V Counter Module 51 AVR PIC 3.3V-5V Diy Kit
Aliexpress
30% off
$1.00
$1.44
Slot Type IR Optocoupler Speed Sensor Module 3.3V-5V Counter Module 51 AVR PIC 3.3V-5V Diy Kit
Aliexpress
$2,152.80
PCHI012 OPTO ENGINEERING - Sensors & Switches & Sensor Accessory Supplies
Radwell.com
$2,152.80
PCHI012 OPTO ENGINEERING - Sensors & Switches & Sensor Accessory Supplies
Radwell.com
$0.40
$0.56
Slot Type IR Optocoupler Speed Sensor Module 3.3V-5V Counter Module 51 AVR PIC 3.3V-5V Diy Kit
Aliexpress
28% off
$0.40
$0.56
Slot Type IR Optocoupler Speed Sensor Module 3.3V-5V Counter Module 51 AVR PIC 3.3V-5V Diy Kit
Aliexpress
$1,963.02
PCHI023 OPTO ENGINEERING - Sensors & Switches & Sensor Accessory Supplies
Radwell.com
$1,963.02
PCHI023 OPTO ENGINEERING - Sensors & Switches & Sensor Accessory Supplies
Radwell.com
$0.27
$0.36
IR Infrared Slotted Optical Speed Measuring Sensor Detection Optocoupler Module For Motor Test IR
Aliexpress
25% off
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$0.36
IR Infrared Slotted Optical Speed Measuring Sensor Detection Optocoupler Module For Motor Test IR
Aliexpress
$1.53
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Stlxy IR Infrared Slotted Optical Speed Measuring Sensor Detection Optocoupler Module For Motor Test
Aliexpress
$1.53
$1.55
Stlxy IR Infrared Slotted Optical Speed Measuring Sensor Detection Optocoupler Module For Motor Test
Aliexpress
$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
$0.41
$0.57
Stlxy EL357N-C Optocoupler Isolation Module Signal Level Conversion 3.3V 5V 12V 24V NPN PNP
Aliexpress
28% off
$0.41
$0.57
Stlxy EL357N-C Optocoupler Isolation Module Signal Level Conversion 3.3V 5V 12V 24V NPN PNP
Aliexpress
$40.38
VTL5C1 Optocoupler, Photocell / LDR Output, Axial, 4 Pins, 40 Ma, 2.5 Kv
eBay
$40.38
VTL5C1 Optocoupler, Photocell / LDR Output, Axial, 4 Pins, 40 Ma, 2.5 Kv
eBay
$1.88
$3.81
1/2/5/10 PCS IR Infrared Slotted Optical Speed Measuring Sensors Optocoupler Module For Motor Test
Aliexpress
Free shipping
50% off
$1.88
$3.81
1/2/5/10 PCS IR Infrared Slotted Optical Speed Measuring Sensors Optocoupler Module For Motor Test
Aliexpress
$62.25
859-791 WAGO Optocoupler Module - Nominal Input Voltage: 24 VDC - Output Voltage Range: 20 € 60 VDC - Limiting Continuous Current: 0.1 A - 2-Wire
Onlinecomponents.com
$62.25
859-791 WAGO Optocoupler Module - Nominal Input Voltage: 24 VDC - Output Voltage Range: 20 € 60 VDC - Limiting Continuous Current: 0.1 A - 2-Wire
Onlinecomponents.com
$2.15
$2.20
Stlxy 1-Bit AC 220V Optocoupler Isolation Module Voltage Detect Board Adaptive 3-5V For PLC
Aliexpress
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Stlxy 1-Bit AC 220V Optocoupler Isolation Module Voltage Detect Board Adaptive 3-5V For PLC
Aliexpress
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1 Piece 4-Pin Test Optocoupler Tester Optocoupler Detection Tool Online Test Module Replacement
Aliexpress
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1 Piece 4-Pin Test Optocoupler Tester Optocoupler Detection Tool Online Test Module Replacement
Aliexpress
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$1.01
1/5/10Pcs 1 Channel 220V AC Optocoupler Module 220V Optocoupler Isolation Detection 220V Voltage Can
Aliexpress
$0.99
$1.01
1/5/10Pcs 1 Channel 220V AC Optocoupler Module 220V Optocoupler Isolation Detection 220V Voltage Can
Aliexpress
$136.34
5603260 Phoenix Contact - Optocoupler - PLC-OSC- 24DC/ 24DC/ 2/C1D2 | PLC Direct | Programmable Logic Controllers And Industrial Automation Products
PLC Direct
$136.34
5603260 Phoenix Contact - Optocoupler - PLC-OSC- 24DC/ 24DC/ 2/C1D2 | PLC Direct | Programmable Logic Controllers And Industrial Automation Products
PLC Direct
$66.98
$87.07
Phoenix Contact 2905491 Optocoupler 24V St
Cheekyhost USA
23% off
$66.98
$87.07
Phoenix Contact 2905491 Optocoupler 24V St
Cheekyhost USA
$3.77
$7.62
1Pc V3.0 V4.0 V6.0 Optocoupler Tester Optocoupler Test Detection Tool Optocoupler Online Test Module
Aliexpress
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$3.77
$7.62
1Pc V3.0 V4.0 V6.0 Optocoupler Tester Optocoupler Test Detection Tool Optocoupler Online Test Module
Aliexpress
$47.22
OPT101 Analog Light Sensor Monolithic Photodiode CJMCU101 Light Strength Module
eBay
$47.22
OPT101 Analog Light Sensor Monolithic Photodiode CJMCU101 Light Strength Module
eBay