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$6.89
PC817 4-Channel 3.6V-30V Optocoupler Isolation Board Voltage Converter Module
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PC817 4-Channel 3.6V-30V Optocoupler Isolation Board Voltage Converter Module
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PC817 2-Channel 3.6V-30V Optocoupler Isolation Board Voltage Converter Module
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PC817 2-Channel 3.6V-30V Optocoupler Isolation Board Voltage Converter Module
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1PCS Module Signal Optocoupler Isolation Conversion Module PNP(NPN)-NPN-4/8
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1PCS Module Signal Optocoupler Isolation Conversion Module PNP(NPN)-NPN-4/8
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1 Relay Module With Optocoupler Isolation High And Low Level Trigger 24V. 1 Relay Module. General Purpose Relays.
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1 Relay Module With Optocoupler Isolation High And Low Level Trigger 24V. 1 Relay Module. General Purpose Relays.
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PC817 1 2 4 8 Channel Optocoupler Isolation Board Voltage Converter Adapter Module 3.6-30V Driver
Aliexpress
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PC817 1 2 4 8 Channel Optocoupler Isolation Board Voltage Converter Adapter Module 3.6-30V Driver
Aliexpress
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PC817 2/4-Channel Optocoupler Isolation Board Voltage Converter Adapter Module
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PC817 2/4-Channel Optocoupler Isolation Board Voltage Converter Adapter Module
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TLP281 4 CH Channel Opto-Isolator IC Module High Low Level Optocoupler Isolation
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TLP281 4 CH Channel Opto-Isolator IC Module High Low Level Optocoupler Isolation
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TLP281 4 CH Channel Opto-Isolator IC Module Board Optocoupler Isolation
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TLP281 4 CH Channel Opto-Isolator IC Module Board Optocoupler Isolation
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4 5V Relays With Optocoupler Isolation Support AVR/51/PIC MCU Expansion Board. 4-Way 5V Relay Module. Relay Accessories.
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4 5V Relays With Optocoupler Isolation Support AVR/51/PIC MCU Expansion Board. 4-Way 5V Relay Module. Relay Accessories.
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Optical Isolation Module 24V To 5V 8 Channel Optocoupler PLC Signal Converter. PLC Processors.
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Optical Isolation Module 24V To 5V 8 Channel Optocoupler PLC Signal Converter. PLC Processors.
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Single Channel Optocoupler Isolated Relays Module 3V Relays Isolated Drive
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Single Channel Optocoupler Isolated Relays Module 3V Relays Isolated Drive
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1/5/10PCS 1Channel Way Optocoupler Isolation Module PC817 3V-5V 12V 24V Photoelectric Isolator Rail
Aliexpress
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1/5/10PCS 1Channel Way Optocoupler Isolation Module PC817 3V-5V 12V 24V Photoelectric Isolator Rail
Aliexpress
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EL357N C Optocoupler Isolation Module Self-Adjusting Isolation Module. Relay Accessories.
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EL357N C Optocoupler Isolation Module Self-Adjusting Isolation Module. Relay Accessories.
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2PCS 12V 80Khz 1-CH Optocoupler Isolation Module Board No Din Rail PLC Processor
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2PCS 12V 80Khz 1-CH Optocoupler Isolation Module Board No Din Rail PLC Processor
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Channel Relay Module Level Trigger Dual Optocoupler Isolation Relay Module Board
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Channel Relay Module Level Trigger Dual Optocoupler Isolation Relay Module Board
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12V 80Khz 1 Channel Optocoupler Isolation Module Board No Din Rail PLC Processor
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12V 80Khz 1 Channel Optocoupler Isolation Module Board No Din Rail PLC Processor
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$9.85
2PCS 817 Optocoupler 2/4/8-Channel Voltage Isolation Board/Adapter Module TT. 817 Optocoupler. Chipsets.
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2PCS 817 Optocoupler 2/4/8-Channel Voltage Isolation Board/Adapter Module TT. 817 Optocoupler. Chipsets.
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24V Optical Isolator Module - 1-Channel PC817 Optocoupler Optoisolator
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24V Optical Isolator Module - 1-Channel PC817 Optocoupler Optoisolator
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DC3.7V-27V MOS Optocoupler Isolation Drive Module Of LR7843 Field Effect Transistor Trigger Switch
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DC3.7V-27V MOS Optocoupler Isolation Drive Module Of LR7843 Field Effect Transistor Trigger Switch
Aliexpress
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Optical Isolation Module Limit Switching Frequency 20KHZ 12V To 3.3V 8 Channel. Optocouplers.
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Optical Isolation Module Limit Switching Frequency 20KHZ 12V To 3.3V 8 Channel. Optocouplers.
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AC 220V Optocoupler Isolation Module High Voltage Isolator Channel
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AC 220V Optocoupler Isolation Module High Voltage Isolator Channel
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$49.67
8 Channel 5V/12V/24V High And Low Level Optocoupler Isolation Relay Module
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8 Channel 5V/12V/24V High And Low Level Optocoupler Isolation Relay Module
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3-Channel Relay Module Optocoupler Isolation Fit For Signal 3.3V 5V New. GCSUPERMARKET. Other Electrical Equipment & Supplies.
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3-Channel Relay Module Optocoupler Isolation Fit For Signal 3.3V 5V New. GCSUPERMARKET. Other Electrical Equipment & Supplies.
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$103.68
Optocoupler Isolation Board,Dc 3.3 V 5 V Pnp Npn 8 Channel Signal Converter Opto Voltage Isolation Module Driver Photoel
Everymarket INC
$103.68
Optocoupler Isolation Board,Dc 3.3 V 5 V Pnp Npn 8 Channel Signal Converter Opto Voltage Isolation Module Driver Photoel
Everymarket INC
$58.87
Optocoupler Isolation Board,AC 110V 220V 8 Channel Optical Control Module PLC...
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Optocoupler Isolation Board,AC 110V 220V 8 Channel Optical Control Module PLC...
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Noyito 1 Channel Pc817 Optocoupler Isolation Module Optoelectronic Isolator Signal Isolation And Anti Interference 3 5 V
Everymarket INC
$31.74
Noyito 1 Channel Pc817 Optocoupler Isolation Module Optoelectronic Isolator Signal Isolation And Anti Interference 3 5 V
Everymarket INC
$12,278.00
Relay Module Channel Opto Isolation
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Relay Module Channel Opto Isolation
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1-Channel 12V Relay Module With Optocoupler Isolation Supports High And Low...
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1-Channel 12V Relay Module With Optocoupler Isolation Supports High And Low...
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3-Channel Relay Module With Optocoupler Isolation Compatible 3.3V 5V Signal K9
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3-Channel Relay Module With Optocoupler Isolation Compatible 3.3V 5V Signal K9
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30A Relay Module Optocoupler Isolation High And Low Level Trigger Single Power U
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30A Relay Module Optocoupler Isolation High And Low Level Trigger Single Power U
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PC817 3.6-24V Optocoupler Isolation Driving Module 4 Channel Voltage Converter
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PC817 3.6-24V Optocoupler Isolation Driving Module 4 Channel Voltage Converter
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$8.32
3-Channel Relay Module With Optocoupler Isolation Compatible 3.3V 5V Signal Kit
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3-Channel Relay Module With Optocoupler Isolation Compatible 3.3V 5V Signal Kit
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$12.08
Optocoupler Isolation Board 8 Channel PLC Voltage Detection Module 220V AC. Other Electrical Equipment & Supplies.
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Optocoupler Isolation Board 8 Channel PLC Voltage Detection Module 220V AC. Other Electrical Equipment & Supplies.
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12V 1 Channel Module With Optocoupler Isolation High & Low Level Trigger Relay. Diymore. Relay Accessories.
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12V 1 Channel Module With Optocoupler Isolation High & Low Level Trigger Relay. Diymore. Relay Accessories.
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$5.40
1PC 1-Channel Optocoupler Isolation Module 5.0-Pitch Terminal DC3-5V/12V/24V LL. Optocoupler Isolation Module. 24V. Chipsets.
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1PC 1-Channel Optocoupler Isolation Module 5.0-Pitch Terminal DC3-5V/12V/24V LL. Optocoupler Isolation Module. 24V. Chipsets.
eBay
$33.92
Hi Letgo 2Pcs Pc817 4 Channel Optocoupler Isolation Board 817 Voltage Isolation Module Voltage Converter Module 3.6 30 V
Everymarket INC
$33.92
Hi Letgo 2Pcs Pc817 4 Channel Optocoupler Isolation Board 817 Voltage Isolation Module Voltage Converter Module 3.6 30 V
Everymarket INC
How Optocouplers work - opto-isolator solid state relays phototransistor
18:07
YouTubeThe Engineering Mindset
How Optocouplers work - opto-isolator solid state relays phototransistor
Optocoupler. In this video we learn how optocouplers work and also look at some simple electron circuits you can make yourself to understand how an optocoupler, opto-isolator, phototransistor, photocoupler works. Photo transistor Correction 13:21 Upper text "220Ω" resistor should say "22Ω" calculation in lower screen is correct 0:38 Pin ...
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Working Principle of Opto Coupler IC 4N35 Circuit
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2K viewsMay 26, 2021
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$6.89
PC817 4-Channel 3.6V-30V Optocoupler Isolation Board Voltage Converter Module
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$6.89
PC817 4-Channel 3.6V-30V Optocoupler Isolation Board Voltage Converter Module
eBay
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PC817 2-Channel 3.6V-30V Optocoupler Isolation Board Voltage Converter Module
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PC817 2-Channel 3.6V-30V Optocoupler Isolation Board Voltage Converter Module
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$95.00
1PCS Module Signal Optocoupler Isolation Conversion Module PNP(NPN)-NPN-4/8
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$95.00
1PCS Module Signal Optocoupler Isolation Conversion Module PNP(NPN)-NPN-4/8
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$5.85
1 Relay Module With Optocoupler Isolation High And Low Level Trigger 24V. 1 Relay Module. General Purpose Relays.
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1 Relay Module With Optocoupler Isolation High And Low Level Trigger 24V. 1 Relay Module. General Purpose Relays.
eBay
$1.52
$2.98
PC817 1 2 4 8 Channel Optocoupler Isolation Board Voltage Converter Adapter Module 3.6-30V Driver
Aliexpress
48% off
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PC817 1 2 4 8 Channel Optocoupler Isolation Board Voltage Converter Adapter Module 3.6-30V Driver
Aliexpress
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PC817 2/4-Channel Optocoupler Isolation Board Voltage Converter Adapter Module
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PC817 2/4-Channel Optocoupler Isolation Board Voltage Converter Adapter Module
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$4.29
TLP281 4 CH Channel Opto-Isolator IC Module High Low Level Optocoupler Isolation
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TLP281 4 CH Channel Opto-Isolator IC Module High Low Level Optocoupler Isolation
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TLP281 4 CH Channel Opto-Isolator IC Module Board Optocoupler Isolation
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TLP281 4 CH Channel Opto-Isolator IC Module Board Optocoupler Isolation
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4 5V Relays With Optocoupler Isolation Support AVR/51/PIC MCU Expansion Board. 4-Way 5V Relay Module. Relay Accessories.
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4 5V Relays With Optocoupler Isolation Support AVR/51/PIC MCU Expansion Board. 4-Way 5V Relay Module. Relay Accessories.
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Optical Isolation Module 24V To 5V 8 Channel Optocoupler PLC Signal Converter. PLC Processors.
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Optical Isolation Module 24V To 5V 8 Channel Optocoupler PLC Signal Converter. PLC Processors.
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Single Channel Optocoupler Isolated Relays Module 3V Relays Isolated Drive
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Single Channel Optocoupler Isolated Relays Module 3V Relays Isolated Drive
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$1.41
$2.82
1/5/10PCS 1Channel Way Optocoupler Isolation Module PC817 3V-5V 12V 24V Photoelectric Isolator Rail
Aliexpress
50% off
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$2.82
1/5/10PCS 1Channel Way Optocoupler Isolation Module PC817 3V-5V 12V 24V Photoelectric Isolator Rail
Aliexpress
$9.44
EL357N C Optocoupler Isolation Module Self-Adjusting Isolation Module. Relay Accessories.
eBay
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$9.44
EL357N C Optocoupler Isolation Module Self-Adjusting Isolation Module. Relay Accessories.
eBay
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$4.80
2PCS 12V 80Khz 1-CH Optocoupler Isolation Module Board No Din Rail PLC Processor
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$4.80
2PCS 12V 80Khz 1-CH Optocoupler Isolation Module Board No Din Rail PLC Processor
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Channel Relay Module Level Trigger Dual Optocoupler Isolation Relay Module Board
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Channel Relay Module Level Trigger Dual Optocoupler Isolation Relay Module Board
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12V 80Khz 1 Channel Optocoupler Isolation Module Board No Din Rail PLC Processor
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12V 80Khz 1 Channel Optocoupler Isolation Module Board No Din Rail PLC Processor
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$9.85
2PCS 817 Optocoupler 2/4/8-Channel Voltage Isolation Board/Adapter Module TT. 817 Optocoupler. Chipsets.
eBay
$9.85
2PCS 817 Optocoupler 2/4/8-Channel Voltage Isolation Board/Adapter Module TT. 817 Optocoupler. Chipsets.
eBay
$15.99
24V Optical Isolator Module - 1-Channel PC817 Optocoupler Optoisolator
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24V Optical Isolator Module - 1-Channel PC817 Optocoupler Optoisolator
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