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$1.82
For Arduino Nano V3.0 I/O Expansion Shield I2C Pin Board Prototype Module. Blue. Breadboards & Pinboards. NANOV3.0EXPANSIONBOARD.
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5-12V Relay Board Module Optocoupler LED For Arduino Pic ARM 1/2/4/6/8 Channel
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ANMBEST 2PCS 4 Channel 12V Relay Module With Optocoupler High Or Low Level Trigger Expansion Board For Raspberry Pi Arduino
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Velleman Wpsh209 - Multi-Functional Expansion Shield For Arduino,
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859-796 WAGO Optocoupler Module - 24VDC Input - Gray
Valin Process Control Solutions
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859-796 WAGO Optocoupler Module - 24VDC Input - Gray
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Mini Shield Prototyping Prototype Shield Protoshield Breadboard For Arduino
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Mini Shield Prototyping Prototype Shield Protoshield Breadboard For Arduino
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Velleman I/O Shield Kit For Arduino By Whadda
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DC 5V 3 Channel Relay Module Relay Expansion Board With Optocoupler Insulation Compatible 3.3V 5V Signal For Arduino
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DC 5V 3 Channel Relay Module Relay Expansion Board With Optocoupler Insulation Compatible 3.3V 5V Signal For Arduino
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Hiletgo 12V 1 Channel Relay Module With Optocoupler Isolation Support High Or Low Level Trigger
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Hiletgo 12V 1 Channel Relay Module With Optocoupler Isolation Support High Or Low Level Trigger
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8 Channel Optocoupler Isolation Board Photoelectric Isolated Module Voltage Level Conversion Board 220V AC For MCU Testing
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8 Channel Optocoupler Isolation Board Photoelectric Isolated Module Voltage Level Conversion Board 220V AC For MCU Testing
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AEDIKO 2Pcs DC 5V Relay Module 4 Channel Relay Board Shield With Optocoupler Isolation Suport High/Low Level Trigger
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AEDIKO 2Pcs DC 5V Relay Module 4 Channel Relay Board Shield With Optocoupler Isolation Suport High/Low Level Trigger
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Screw Terminal Block Breakout Shield Module For Arduino Uno R3
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16-Channel 12V Relay Shield Module With Optocoupler LM2576 Power Supply Arduino
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1/5/10PCS 1Channel Way Optocoupler Isolation Module PC817 3V-5V 12V 24V Photoelectric Isolator Rail
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1/5/10PCS 1Channel Way Optocoupler Isolation Module PC817 3V-5V 12V 24V Photoelectric Isolator Rail
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NANO Expansion Prototype Shield I/O Extension Board Module For Arduino Nano V3.0
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Multi-Function Prototyping / Expansion Shield For Arduino UNO Leonardo Mega2560
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Multi-Function Prototyping / Expansion Shield For Arduino UNO Leonardo Mega2560
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Arduino Thermocouple Multiplexer Shield (K - Max31855k) (With Headers)
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NOYITO 1-Channel PC817 Optocoupler Isolation Module Optoelectronic Isolator Signal Isolation And Anti-Interference 3-5V 12V 24V (Pack Of 2) (24V)
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1-10PCS 1 Channel Way Optocoupler Isolation Module PC817 3V-5V 12V 24V Photoelectric Isolator Rail
Aliexpress
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1-10PCS 1 Channel Way Optocoupler Isolation Module PC817 3V-5V 12V 24V Photoelectric Isolator Rail
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5V 1-Channel Optocoupler Relay Module For Arduino High Low Level Triger. Diymore. Red-Blue. Relay Accessories.
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5V 1-Channel Optocoupler Relay Module For Arduino High Low Level Triger. Diymore. Red-Blue. Relay Accessories.
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DONGKER Optocoupler Isolated Module,DC 24V To 5V 8-Channel Optocoupler Relay Module PLC-PNP Signal Converter
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DONGKER Optocoupler Isolated Module,DC 24V To 5V 8-Channel Optocoupler Relay Module PLC-PNP Signal Converter
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ANMBEST Relay Module With Optocoupler High/Low Level Trigger For Arduino (5, 5V Relay 6 Channel)
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ANMBEST Relay Module With Optocoupler High/Low Level Trigger For Arduino (5, 5V Relay 6 Channel)
Amazon.com
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    Shop Arduino Optocoupler Input Shield

    Sponsored
    About our ads
    $1.82
    For Arduino Nano V3.0 I/O Expansion Shield I2C Pin Board Prototype Module. Blue. Breadboards & Pinboards. NANOV3.0EXPANSIONBOARD.
    eBay.com
    $1.82
    For Arduino Nano V3.0 I/O Expansion Shield I2C Pin Board Prototype Module. Blue. Breadboards & Pinboards. NANOV3.0EXPANSIONBOARD.
    eBay.com
    $2.59
    Data Logger Module Logging Shield Data Recorder Shield For Arduino UNO SD Card. Other Consumer Electronics.
    eBay.com
    $2.59
    Data Logger Module Logging Shield Data Recorder Shield For Arduino UNO SD Card. Other Consumer Electronics.
    eBay.com
    $46.94
    Sainsmart Mega2560 R3+12864 LCD+Sensor Shield V5 Kit For Arduino AVR Atmega8u2
    Cnlansi
    $46.94
    Sainsmart Mega2560 R3+12864 LCD+Sensor Shield V5 Kit For Arduino AVR Atmega8u2
    Cnlansi
    $21.99
    NEW - ASX00004 Genuine Arduino MKR 485 Shield Factory Sealed
    eBay
    $21.99
    NEW - ASX00004 Genuine Arduino MKR 485 Shield Factory Sealed
    eBay
    $9.88
    Seeeduino XIAO Expansion Board OLED/UART/I2C/SPI Grove Shield For Arduino
    eBay.com
    $9.88
    Seeeduino XIAO Expansion Board OLED/UART/I2C/SPI Grove Shield For Arduino
    eBay.com
    $18.54
    5-12V Relay Board Module Optocoupler LED For Arduino Pic ARM 1/2/4/6/8 Channel
    eBay.com
    $18.54
    5-12V Relay Board Module Optocoupler LED For Arduino Pic ARM 1/2/4/6/8 Channel
    eBay.com
    $11.99
    ANMBEST 2PCS 4 Channel 12V Relay Module With Optocoupler High Or Low Level Trigger Expansion Board For Raspberry Pi Arduino
    Amazon.com
    $11.99
    ANMBEST 2PCS 4 Channel 12V Relay Module With Optocoupler High Or Low Level Trigger Expansion Board For Raspberry Pi Arduino
    Amazon.com
    $10.42
    Velleman Wpsh209 - Multi-Functional Expansion Shield For Arduino,
    eBay
    $10.42
    Velleman Wpsh209 - Multi-Functional Expansion Shield For Arduino,
    eBay
    $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
    $1.14
    Mini Shield Prototyping Prototype Shield Protoshield Breadboard For Arduino
    eBay.com
    $1.14
    Mini Shield Prototyping Prototype Shield Protoshield Breadboard For Arduino
    eBay.com
    $28.95
    Velleman I/O Shield Kit For Arduino By Whadda
    Jameco Electronics
    $28.95
    Velleman I/O Shield Kit For Arduino By Whadda
    Jameco Electronics
    $6.88
    DC 5V 3 Channel Relay Module Relay Expansion Board With Optocoupler Insulation Compatible 3.3V 5V Signal For Arduino
    Amazon.com
    $6.88
    DC 5V 3 Channel Relay Module Relay Expansion Board With Optocoupler Insulation Compatible 3.3V 5V Signal For Arduino
    Amazon.com