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  1. Useful 380V 8A 1/2/4 Channel High Low Level H-L Trigger Board D3808 for Arduino

    Theory: Solid State Relay. 1 x 1 Way Relay Module. 1 x 2 Way Relay Module. 1 x 4-Way Relay Module. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures.

    eBay

  2. Dsport Dc 12V 8 Channel Pro Mini Plc Board Relay Shield Module For Arduino Multifunction Delay Timer Switch Board Size 12

  3. 380V 8A 1/2/4 Channel SSR Board Solid State Relay Module Useful for Arduino

    Theory: Solid State Relay. input interface 1 x 1 Way Relay Module. 1 x 2 Way Relay Module. 1 x 4-Way Relay Module. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures.

    eBay

  4. NE555 Timing Relay Shield Board 5/12V Time Delay Relay Module 0~10S for Arduino

    Main chip: NE555. Turn on the power relay delayed absorption. With relay suction indicator light. With relay current protection. Type: Module. With input power indicator. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures.

    eBay

  5. Sensitec EBK7000 Evaluation Kit, Arduino Compatible Board

  6. 1/2/4/8 Channel Relay Module Board Shield with Optocoupler Isolation for Arduino

    Optocoupler Isolation: The high and low level relay module utilizes optocoupler isolation, providing increased stability and preventing interference between the input and output signals. 1 2 4 8 Channel High Or Low Level Trigger DC 5/12/24V High Low Level Trigger Relay Switch with Optocoupler Isolation for Arduino.

    eBay

  7. New Greenzech Module Development Board Geekcreit For Arduino

  8. Orangepip Mega2560 Compatible With Arduino Mega2560 Development Board

  9. 5V 12V 24V Relay Board with Optocoupler Isolation for Arduino DIY (12V 1S) #g

    5V 12V 24V Relay Module Trigger Board 1 2 4 6 8 Channel Relay Output Mudule Support High Or Low Level Trigger with Optocoupler Isolation Electronic Components. Product Introduction: 1. The high-quality Songle relays used in the design provide durability and efficient functionality.

    eBay

  10. Bare Conductive Touch Board, Arduino Compatible Board

  11. 5V 12V 24V Power Relay Board 1 2 4 6 8 Channel DC Relay Module for Arduino DIY

    5V 12V 24V Relay Module Trigger Board 1 2 4 6 8 Channel Relay Output Mudule Support High Or Low Level Trigger with Optocoupler Isolation Electronic Components. 5V 1-way relay, 12V 1-way relay, 24V 1-way relay 1.

    eBay

  12. Dsport Dc 12V 8 Channel Pro Mini Plc Board Relay Shield Module For Arduino Multifunction Delay Timer Switch Board Size 12

  13. Hcsc Dc 12V 8 Channel Pro Mini Plc Relay Shield Module Delay Timer Switch Board For Arduino(8 Channel Pro Mini Plc Relay Board Pro Mini Board Pro Mini Down Size 12

  14. 5V Power Relay Board 1 2 4 6 8 Channel Solid State Relay Module for Arduino DIY

    A high-level signal (3.35V) triggers the relay to disengage and cut off power to the load circuit. 5V Relay Module Trigger Board 1 2 4 6 8 Channel Solid State Relay Module Support High Or Low Level Trigger Electronic Components.

    eBay

  15. Orangepip Kona328 Compatible With Arduino Uno Development Board

  16. 16 Channel DC Relay Module Relay Module Trigger Board 12V LM2576 for Arduino DIY

    16 Channel Relay Module Trigger Board 12V LM2576 Relay Module Smart Expansion Board with Optocoupler Electronic Components. Each relay also features normally closed and normally open ports. With indicator lights for relay actions, you can easily monitor the status of each channel.

    eBay

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