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$0.95
Slot Type IR Optocoupler Speed Sensor Module 3.3V-5V Counter Module 51 AVR PIC 3.3V-5V Diy Kit
AliExpress
$0.95
Slot Type IR Optocoupler Speed Sensor Module 3.3V-5V Counter Module 51 AVR PIC 3.3V-5V Diy Kit
AliExpress
$1.50
Slot Optocoupler RPM Sensor Module - 3.3V/5V Photogate Tachometer & Digital Counter W/ Optoisolation
AliExpress
$1.50
Slot Optocoupler RPM Sensor Module - 3.3V/5V Photogate Tachometer & Digital Counter W/ Optoisolation
AliExpress
$8.59
DWEII 7PCS IR Infrared Slotted Optical Optocoupler Module Speed Measuring Sensor 3.3V To 5V Photo Interrupter Sensor For Arduino
Amazon.com
$8.59
DWEII 7PCS IR Infrared Slotted Optical Optocoupler Module Speed Measuring Sensor 3.3V To 5V Photo Interrupter Sensor For Arduino
Amazon.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
$1.08
$1.10
Photoelectric Beam Speed Sensor Module 3.3V-5V Slot-Type Optocoupler Tacho-Generator Counter For
AliExpress
$1.08
$1.10
Photoelectric Beam Speed Sensor Module 3.3V-5V Slot-Type Optocoupler Tacho-Generator Counter For
AliExpress
$2.01
1/5/10PCS Speed Sensor Tacho Sensor Slot-Type Optocoupler Tacho-Generator Counter Module For Arduino
AliExpress
$2.01
1/5/10PCS Speed Sensor Tacho Sensor Slot-Type Optocoupler Tacho-Generator Counter Module For Arduino
AliExpress
$3.04
10PCS ITR20403 Plug-In Infrared Photoelectric Switch Sensor Fork Optocoupler
AliExpress
$3.04
10PCS ITR20403 Plug-In Infrared Photoelectric Switch Sensor Fork Optocoupler
AliExpress
$1.51
$1.53
Stlxy IR Infrared Slotted Optical Speed Measuring Sensor Detection Optocoupler Module For Motor Test
AliExpress
$1.51
$1.53
Stlxy IR Infrared Slotted Optical Speed Measuring Sensor Detection Optocoupler Module For Motor Test
AliExpress
$0.28
$0.38
IR Infrared Slotted Optical Speed Measuring Sensor Detection Optocoupler Module For Motor Test IR
AliExpress
26% off
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$0.38
IR Infrared Slotted Optical Speed Measuring Sensor Detection Optocoupler Module For Motor Test IR
AliExpress
$2.38
$2.78
Through-Beam Photoelectric Sensor Infrared Through-Beam Counting Sensor Slot Type Optocoupler Module
AliExpress
14% off
$2.38
$2.78
Through-Beam Photoelectric Sensor Infrared Through-Beam Counting Sensor Slot Type Optocoupler Module
AliExpress
$1.39
IR Infrared Speed Sensor Module Distance Measurement Detection Optocoupler For Arduino Smart
AliExpress
$1.39
IR Infrared Speed Sensor Module Distance Measurement Detection Optocoupler For Arduino Smart
AliExpress
$1.43
$1.45
1/5/10Pcs IR Infrared Slotted Optical Speed Measuring Sensor Detection Optocoupler Module For Motor
AliExpress
$1.43
$1.45
1/5/10Pcs IR Infrared Slotted Optical Speed Measuring Sensor Detection Optocoupler Module For Motor
AliExpress
$0.25
$0.36
IR Infrared Slotted Optical Speed Measuring Sensor Detection Optocoupler Module For Motor Test
AliExpress
Free shipping
30% off
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$0.36
IR Infrared Slotted Optical Speed Measuring Sensor Detection Optocoupler Module For Motor Test
AliExpress
$1.24
$1.25
1/5/10PCS IR Infrared Slotted Optical Speed Measuring Sensor Detection Optocoupler Module For Motor
AliExpress
$1.24
$1.25
1/5/10PCS IR Infrared Slotted Optical Speed Measuring Sensor Detection Optocoupler Module For Motor
AliExpress
$0.42
$0.60
20Pcs/2Pcs ITR20403 Infrared IR Photoelectric Switch Sensor Trough Optocoupler Slot Type Optocoupler
AliExpress
30% off
$0.42
$0.60
20Pcs/2Pcs ITR20403 Infrared IR Photoelectric Switch Sensor Trough Optocoupler Slot Type Optocoupler
AliExpress
$2.21
IR Infrared Slotted Optical Speed Measuring Sensor Detection Optocoupler Module For Motor Test For
AliExpress
$2.21
IR Infrared Slotted Optical Speed Measuring Sensor Detection Optocoupler Module For Motor Test For
AliExpress
$1.77
$1.79
110PS EGBO IR Infrared Speed Sensor Module Distance Measurement Detection Optocoupler For Arduino
AliExpress
$1.77
$1.79
110PS EGBO IR Infrared Speed Sensor Module Distance Measurement Detection Optocoupler For Arduino
AliExpress
$0.24
$0.32
5Pcs/1Pc Photoelectric Beam Speed Sensor Module Slot-Type Optocoupler LM393 Opto Coupler
AliExpress
25% off
$0.24
$0.32
5Pcs/1Pc Photoelectric Beam Speed Sensor Module Slot-Type Optocoupler LM393 Opto Coupler
AliExpress
$0.21
$0.34
1-20PCS IR Infrared Slotted Optical Speed Measuring Sensor Optocoupler Module For Motor Test PIC AVR
AliExpress
38% off
$0.21
$0.34
1-20PCS IR Infrared Slotted Optical Speed Measuring Sensor Optocoupler Module For Motor Test PIC AVR
AliExpress
$1.16
$1.65
IR Infrared Speed Sensor Module Distance Measurement Detection Optocoupler For Arduino Smart
AliExpress
29% off
$1.16
$1.65
IR Infrared Speed Sensor Module Distance Measurement Detection Optocoupler For Arduino Smart
AliExpress
$0.67
$0.73
TZT IR Infrared Speed Sensor Module Distance Measurement Detection Optocoupler For Arduino Smart
AliExpress
$0.67
$0.73
TZT IR Infrared Speed Sensor Module Distance Measurement Detection Optocoupler For Arduino Smart
AliExpress
$2.60
10PCS ITR9608 ITR-9608 ITR9606 ITR-9606 Opto Photo Interrupter Optical Sensor DIP DIP-4
AliExpress
$2.60
10PCS ITR9608 ITR-9608 ITR9606 ITR-9606 Opto Photo Interrupter Optical Sensor DIP DIP-4
AliExpress
$0.38
$0.55
IR Infrared Slotted Optical Speed Measuring Sensor Detection Optocoupler Module For Motor Test IR
AliExpress
30% off
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$0.55
IR Infrared Slotted Optical Speed Measuring Sensor Detection Optocoupler Module For Motor Test IR
AliExpress
$3.86
10PCS/LOT IR Infrared Slotted Optical Speed Measuring Sensor Detection Optocoupler Module For Motor
AliExpress
$3.86
10PCS/LOT IR Infrared Slotted Optical Speed Measuring Sensor Detection Optocoupler Module For Motor
AliExpress
$0.33
$0.38
IR Infrared Speed Sensor Module Distance Measurement Detection Optocoupler For Arduino Smart
AliExpress
13% off
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$0.38
IR Infrared Speed Sensor Module Distance Measurement Detection Optocoupler For Arduino Smart
AliExpress
$0.29
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1Pc-100Pcs ITR20403 Infrared IR Photoelectric Switch Reflective Optical Sensor Trough Optocoupler
AliExpress
25% off
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$0.39
1Pc-100Pcs ITR20403 Infrared IR Photoelectric Switch Reflective Optical Sensor Trough Optocoupler
AliExpress
$0.60
$0.65
GREATZT 1/5PCS IR Infrared Speed Sensor Module Distance Measurement Detection Optocoupler For
AliExpress
$0.60
$0.65
GREATZT 1/5PCS IR Infrared Speed Sensor Module Distance Measurement Detection Optocoupler For
AliExpress
$1.35
$2.72
1-50PCS IR Infrared Slotted Optical Speed Measuring Sensor Detection Optocoupler Module For Motor
AliExpress
Free shipping
50% off
$1.35
$2.72
1-50PCS IR Infrared Slotted Optical Speed Measuring Sensor Detection Optocoupler Module For Motor
AliExpress
$12.00
10Sets Speed Measuring Sensor LM393 Speed Measuring Module Sensor Slot Type IR Optocoupler DIY Kit With Encoders
Amazon.com
$12.00
10Sets Speed Measuring Sensor LM393 Speed Measuring Module Sensor Slot Type IR Optocoupler DIY Kit With Encoders
Amazon.com
$2.13
6N137 High-Speed Optocoupler Isolation Module Signal Level Conversion 3.3V 5V 12V 24V NPN
AliExpress
$2.13
6N137 High-Speed Optocoupler Isolation Module Signal Level Conversion 3.3V 5V 12V 24V NPN
AliExpress
$3.60
$5.30
8 Channel Optocoupler Isolation Module Signal Voltage Converter PNP NPN Low High Level Output AC
Aliexpress
32% off
$3.60
$5.30
8 Channel Optocoupler Isolation Module Signal Voltage Converter PNP NPN Low High Level Output AC
Aliexpress
$1.86
$3.77
1/2/5/10 PCS IR Infrared Slotted Optical Speed Measuring Sensors Optocoupler Module For Motor Test
AliExpress
Free shipping
50% off
$1.86
$3.77
1/2/5/10 PCS IR Infrared Slotted Optical Speed Measuring Sensors Optocoupler Module For Motor Test
AliExpress
$0.63
$0.73
TZT 1/5PCS IR Infrared Speed Sensors Module Distance Measurement Detection Optocoupler For Arduino
AliExpress
13% off
$0.63
$0.73
TZT 1/5PCS IR Infrared Speed Sensors Module Distance Measurement Detection Optocoupler For Arduino
AliExpress
$6.89
8 Channel Optocoupler Isolation Module Signal Voltage Converter Pnp Npn Low High Level Output Ac
Aliexpress
$6.89
8 Channel Optocoupler Isolation Module Signal Voltage Converter Pnp Npn Low High Level Output Ac
Aliexpress
$17.06
$17.96
8-Channel Optocoupler Isolation Board Npn Pnp Level Voltage Conversion Module 3.3V 5V 12V 24V Signal
AliExpress
Free shipping
$17.06
$17.96
8-Channel Optocoupler Isolation Board Npn Pnp Level Voltage Conversion Module 3.3V 5V 12V 24V Signal
AliExpress
$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
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Shop optocoupler sensor

Sponsored
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$0.95
Slot Type IR Optocoupler Speed Sensor Module 3.3V-5V Counter Module 51 AVR PIC 3.3V-5V Diy Kit
AliExpress
$0.95
Slot Type IR Optocoupler Speed Sensor Module 3.3V-5V Counter Module 51 AVR PIC 3.3V-5V Diy Kit
AliExpress
$1.50
Slot Optocoupler RPM Sensor Module - 3.3V/5V Photogate Tachometer & Digital Counter W/ Optoisolation
AliExpress
$1.50
Slot Optocoupler RPM Sensor Module - 3.3V/5V Photogate Tachometer & Digital Counter W/ Optoisolation
AliExpress
$8.59
DWEII 7PCS IR Infrared Slotted Optical Optocoupler Module Speed Measuring Sensor 3.3V To 5V Photo Interrupter Sensor For Arduino
Amazon.com
$8.59
DWEII 7PCS IR Infrared Slotted Optical Optocoupler Module Speed Measuring Sensor 3.3V To 5V Photo Interrupter Sensor For Arduino
Amazon.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
$1.08
$1.10
Photoelectric Beam Speed Sensor Module 3.3V-5V Slot-Type Optocoupler Tacho-Generator Counter For
AliExpress
$1.08
$1.10
Photoelectric Beam Speed Sensor Module 3.3V-5V Slot-Type Optocoupler Tacho-Generator Counter For
AliExpress
$2.01
1/5/10PCS Speed Sensor Tacho Sensor Slot-Type Optocoupler Tacho-Generator Counter Module For Arduino
AliExpress
$2.01
1/5/10PCS Speed Sensor Tacho Sensor Slot-Type Optocoupler Tacho-Generator Counter Module For Arduino
AliExpress
$3.04
10PCS ITR20403 Plug-In Infrared Photoelectric Switch Sensor Fork Optocoupler
AliExpress
$3.04
10PCS ITR20403 Plug-In Infrared Photoelectric Switch Sensor Fork Optocoupler
AliExpress
$1.51
$1.53
Stlxy IR Infrared Slotted Optical Speed Measuring Sensor Detection Optocoupler Module For Motor Test
AliExpress
$1.51
$1.53
Stlxy IR Infrared Slotted Optical Speed Measuring Sensor Detection Optocoupler Module For Motor Test
AliExpress
$0.28
$0.38
IR Infrared Slotted Optical Speed Measuring Sensor Detection Optocoupler Module For Motor Test IR
AliExpress
26% off
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$0.38
IR Infrared Slotted Optical Speed Measuring Sensor Detection Optocoupler Module For Motor Test IR
AliExpress
$2.38
$2.78
Through-Beam Photoelectric Sensor Infrared Through-Beam Counting Sensor Slot Type Optocoupler Module
AliExpress
14% off
$2.38
$2.78
Through-Beam Photoelectric Sensor Infrared Through-Beam Counting Sensor Slot Type Optocoupler Module
AliExpress
$1.39
IR Infrared Speed Sensor Module Distance Measurement Detection Optocoupler For Arduino Smart
AliExpress
$1.39
IR Infrared Speed Sensor Module Distance Measurement Detection Optocoupler For Arduino Smart
AliExpress
$1.43
$1.45
1/5/10Pcs IR Infrared Slotted Optical Speed Measuring Sensor Detection Optocoupler Module For Motor
AliExpress
$1.43
$1.45
1/5/10Pcs IR Infrared Slotted Optical Speed Measuring Sensor Detection Optocoupler Module For Motor
AliExpress
$0.25
$0.36
IR Infrared Slotted Optical Speed Measuring Sensor Detection Optocoupler Module For Motor Test
AliExpress
Free shipping
30% off
$0.25
$0.36
IR Infrared Slotted Optical Speed Measuring Sensor Detection Optocoupler Module For Motor Test
AliExpress
$1.24
$1.25
1/5/10PCS IR Infrared Slotted Optical Speed Measuring Sensor Detection Optocoupler Module For Motor
AliExpress
$1.24
$1.25
1/5/10PCS IR Infrared Slotted Optical Speed Measuring Sensor Detection Optocoupler Module For Motor
AliExpress
$0.42
$0.60
20Pcs/2Pcs ITR20403 Infrared IR Photoelectric Switch Sensor Trough Optocoupler Slot Type Optocoupler
AliExpress
30% off
$0.42
$0.60
20Pcs/2Pcs ITR20403 Infrared IR Photoelectric Switch Sensor Trough Optocoupler Slot Type Optocoupler
AliExpress
$2.21
IR Infrared Slotted Optical Speed Measuring Sensor Detection Optocoupler Module For Motor Test For
AliExpress
$2.21
IR Infrared Slotted Optical Speed Measuring Sensor Detection Optocoupler Module For Motor Test For
AliExpress
$1.77
$1.79
110PS EGBO IR Infrared Speed Sensor Module Distance Measurement Detection Optocoupler For Arduino
AliExpress
$1.77
$1.79
110PS EGBO IR Infrared Speed Sensor Module Distance Measurement Detection Optocoupler For Arduino
AliExpress
$0.24
$0.32
5Pcs/1Pc Photoelectric Beam Speed Sensor Module Slot-Type Optocoupler LM393 Opto Coupler
AliExpress
25% off
$0.24
$0.32
5Pcs/1Pc Photoelectric Beam Speed Sensor Module Slot-Type Optocoupler LM393 Opto Coupler
AliExpress

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