4-CH 12V Power Relay Module - Red + Blue

SKU: 173827 (Added on -)
Price:
US$
7.47
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4-CH 12V Power Relay Module - Red + Blue
ModelN/A
Quantity1
ColorRed + Blue
MaterialRF4
Features2 Indication LEDs for status, PCB location hole: 3mm
SpecificationPower supply: 12V; Drive level: 12V TTL (High level drive)
ApplicationGreat for Arduino DIY projects
Packing List1 x Relay module
Dimensions: 3.03 in x 2.17 in x 0.79 in (7.7 cm x 5.5 cm x 2.0 cm)
Weight: 2.08 oz (59 g)

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Quantity 3+ units 5+ units 10+ units
Rate USD$ 6.62 shipped USD$ 6.6 shipped USD$ 6.58 shipped

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Average Customer Review (1 customer reviews) 5

100% of customers would recommend this product to a friend (1 out of 1)

  • 5 star: 1 (0%)
  • 4 star: 0 (0%)
  • 3 star: 0 (0%)
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  • Easy to use device for separate your micropocessor from the rest on circuit

    posted by richardfabo on 05:35:39 G4T 09/04/2014 certificated customer

    Involvement Level: Expert (understands the inner workings)

    Pros: It's easy to use, when you know, where should be connected what. It comes without scheme, but connection is easy: VCC + GND = +12V DC and GND IN1 .. IN4 = your 5V outputs from microcontroller COM = your GND from microcontroller GND = the same as 12 V GND Note: there is a jumper for connecting COM (=microcontroller GND) and GND (=12V source GND), to have the same potential. But this is not needed, when disconnected, the circuit of microcontroller and other 12V circuit are isolated (unless there is any other connection)... Other pros: red LEDs showing state of relais (on/off), one LED is ON when 12V DC supply is present.

    Cons: Not everybody likes pinhead connectors, maybe using any terminals can be welcomed.

    Other: Worthy to buy. Cheaper than buy the parts anf build by yourself.

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