4 Channel 5V Relay Module Relay module for Arduino TTL logic

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  • Fits and works okay with Raspberry Pi  

    4 Channel 5V Relay Module Relay module for Arduino TTL logic
    The relay works without major problems even with the Pi - think there is / was here some uncertainty (felt the same way!) The important thing is this: The jumper connects the tension between the JD-VCC and the VCC pin. This must be removed be. Then +
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  • Good product with long delivery times  

    4 Channel 5V Relay Module Relay module for Arduino TTL logic
    As Raspberry Pi hobbyists one is apparently always a little less favorably than the Arduino Group, because you have to make a few compromises on many available hardware. This relay module exactly, because actually it is designed for TTL level, not fo
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  • Complete unit at a fair price  

    4 Channel 5V Relay Module Relay module for Arduino TTL logic
    On the board is all it entails. The relays are provided with input drivers, drill holes at the corners provide for easy assembly. Only the terminals are likely not very many open / close operations to endure. But you can overlook at the price, they m
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  • Strong Part 1  

    4 Channel 5V Relay Module Relay module for Arduino TTL logic
    Grease terminals, board with milled protection zones (vs. 220V low voltage as prescribed by VDE), 10A at 125-250V AC, 10A at 28-30V DC - so you can already start something in the house! Only criticism I would have wished that the control bar (proper
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  • Good and affordable solution for home automation.  

    4 Channel 5V Relay Module Relay module for Arduino TTL logic
    Good and affordable solution for home automation. Use with Raspberry Pi or (and) Arduino. Ideal for hobbyists and quite simple.
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  • Does what it is supposed 52  

    4 Channel 5V Relay Module Relay module for Arduino TTL logic
    I run several of these relays to Arduino and Raspberry Pis and have it eg sockets is tinkering, on the example of Pi independently can launch external hard drives. From the printer off over Christmas and chargers to exercise Pi and Arduino with me fe
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  • Processing and quality is very good  

    4 Channel 5V Relay Module Relay module for Arduino TTL logic
    The price is worth his build. The workmanship is very good. Separation of 230 leading parts executed with sufficient distance (air). Note: It come optocouplers for use but the coils of the relays are not galvanically separated from the control input
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  • Very good workmanship 6  

    4 Channel 5V Relay Module Relay module for Arduino TTL logic
    Relay switches Easily my 2000W air conditioning. Processing very good, the compact design can accommodate it almost anywhere. Price performance also top!
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  • Relay Module  

    4 Channel 5V Relay Module Relay module for Arduino TTL logic
    The delivery arrived within the specified period. The device works with my previous tests entirely properly. Since it can be connected to the mains voltage, the finished building for security reasons seems sensible to me.
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  • With 3.3 volts unsure driving  

    4 Channel 5V Relay Module Relay module for Arduino TTL logic
    I had bought the ticket for my Raspberry Pi, and realized that the 3.3 volts are not sufficient to drive the relay safe. On some broadcast channels as it gets, in others. The tiny transistors to switch the relays are not in saturation, allowing them
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  • Price and achievement are correct  

    4 Channel 5V Relay Module Relay module for Arduino TTL logic
    Works flawlessly. Everything clean and clear labeling. Processing is also very good. All controlled via optocouplers. Relays very quiet. How to Use - You have to remove the jumper - To pin JD-VDD commitment 5V (powered relay) - To the VDD pin commitm
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