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  1. 1-Bit AC 220V Optocoupler Isolation Module Voltage Detect Board Adaptive 3-5V For PLC 24V Level TTL

    1-Bit AC 220V Optocoupler Isolation Module Voltage Detect Board Adaptive 3-5V For PLC 24V Level TTL

    Aliexpress UK

  2. 240V 220V AC Mains Sensor opto-isolator optoisolator optocoupler 5V 3.3V Arduino

    220V Live to L. 220V Neutral to N.

    eBay

  3. 1 Channel Voltage Detector Board AC 220V Optocoupler Isolation Module TTL 3-5V SCM Testing for

    1 Channel Voltage Detector Board AC 220V Optocoupler Isolation Module TTL 3-5V SCM Testing for

    Aliexpress UK

  4. AC 220V 1-Bit Optocoupler Isolation Module Voltage Detect Board Adaptive for PLC

    1pcs 1-Bit AC 220V Optocoupler Isolation Module Testing Board Adaptive For PLC L8. Adaptive to PLC 24V level. Functuon:Testing whether AC 220V is existed. Board Size:73 15mm.

    eBay

  5. 1-Bit AC 220V Optocoupler Isolation Module Voltage Detect Board Adaptive 3-5V For PLC Isolamento

    1-Bit AC 220V Optocoupler Isolation Module Voltage Detect Board Adaptive 3-5V For PLC Isolamento

    Aliexpress UK

  6. 5V/12V/24V Relay Module with Optocoupler 1/2/4/6/8/16 Channel for Arduino Pi UK

    1/2/4/6/8/16 Channel Relay with Optocoupler. 5V 12V 24V for Arduino Raspberry PI. A power relay module is an electrical switch that is operated by an electromagnet. 1 Channel Relay Module. 2 Channel Relay Module.

    eBay

  7. 2 Channel Relay Module 12V 5V 24V Output Capacity Within DC 30V 30A or AC 250V 30A Optocoupler

    2 Channel Relay Module 12V 5V 24V Output Capacity Within DC 30V 30A or AC 250V 30A Optocoupler

    Aliexpress UK

  8. Opto Isolator Module PCB 1 Channel Optocoupler Isolation Board PLC AC 220V NPN

    LED LIGHT INDICATOR: When there is 220V input, the LED is on, the optocoupler is turned on and the output is low. When there is no 220V input, the LED is off, the optocoupler is not connected. The output is pulled high by the resistor.

    eBay

  9. AC 8-36V 8-channel Multifunction Time Delay Relay Interface Board Module Optocoupler with light

    AC 8-36V 8-channel Multifunction Time Delay Relay Interface Board Module Optocoupler with light

    Aliexpress UK

  10. 5V Relay Module 1,2,4,6,8 Channel Arduino Raspberry Pi ESP8266 ESP32 Optocoupler

    Relay Module 5V Channel 1, 2, 4,6 and 8 for Arduino Raspberry Pi ARM ESP8266 ESP32 with Optocoupler.

    eBay

  11. 1/3/8 channel AC 220V MCU TTL Level 8 Ch Optocoupler Isolation Test Board Isolated Detection Tester

    1/3/8 channel AC 220V MCU TTL Level 8 Ch Optocoupler Isolation Test Board Isolated Detection Tester

    Aliexpress UK

  12. NEW 1/3 Channel Bit AC 220V Optocoupler Isolation Module Board Adaptive For PLC

    3-Channel Optocoupler Isolation Module. Function:test whether AC 220V is existed;when there is 220V,optocoupler can be conductive to ground;otherwise,it is not conductive. 1 x 3-Channel Optocoupler Isolation Module.

    eBay

  13. AC 220V 1/3/8 Channel MCU TTL Level 8 Ch Optocoupler Isolation Test Board Isolated Detection Tester

    AC 220V 1/3/8 Channel MCU TTL Level 8 Ch Optocoupler Isolation Test Board Isolated Detection Tester

    Aliexpress UK

  14. 1/2/4/8 Channel Relay Module - AC/DC Optocoupler Isolation Arduino/Pi Compatible

    COM: Common interface of the relay. Dual indicator lights: a power indicator and a relay status indicator. Module Interfaces.

    eBay

  15. 8 Channel Optocoupler Isolation Module Signal Voltage Converter PNP NPN Low High Level Output AC

    8 Channel Optocoupler Isolation Module Signal Voltage Converter PNP NPN Low High Level Output AC

    Aliexpress UK

  16. 1 channel 5V Relay Module, Opto-coupler isolated, for Arduino and MCU projects.

    • NO: normally open relay interface. • Fault-tolerant design. • NC: normally closed relay interface. Module interface Relay Outputs • module size: 50mm 26mm 18.5mm (L W H). • Maximum load: AC 250V/10A, DC 30V/10A.

    eBay

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