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Gravity: Digital 10A Relay Module

SKU: DFR0473

DFRobot’s Gravity Digital Relay Module is a versatile tool for makers and hobbyists, compatible with both 3.3V and 5V devices, including Raspberry Pi, BBB (BeagleBoard Black), and mbed. Operating within a voltage range of 2.8~5.5V, it features a high-quality 3V relay capable of handling up to 10A current, promising durability with up to 100 million mechanical uses. The module includes an onboard state LED and provides normally open (NO) and normally closed (NC) terminals for flexible use. Its Gravity-3 pin interface allows for easy plug-and-play connectivity without the need for soldering, making it an essential component for efficient and reliable project building.

Front of DFRobot 10A relay module with 3.3V and 5V relay options-DFRobot product sku:DFR0473 image.

Downloadable Resources

  • Docs
  • Tech Specs
  • Projects
  • Contributions
    • 1. Example Code for Arduino-Relay Control

    This article offers a comprehensive guide on using Arduino to control a relay, including necessary hardware and software setups, wiring instructions, and sample code to switch the relay on and off, ensuring efficient control of electrical components.
    Reference

    This article explores the principles of relay operation, detailing how electromagnetic switches control circuit breaker switches, enabling low voltage inputs to manage high voltage circuits efficiently. A water level alarm schematic is also included to illustrate practical applications.

    Specification

    Parameter Value
    Operating Voltage 2.8V ~ 5.5V
    Input Signal High Level (≥2.8V); Low Level (≤0.5V)
    Max Switching Current 10A
    Max Switching Voltage 35VAC; 30VDC
    Rating Load 10A@35VAC; 10A@28VDC
    Max Switching Power 300W
    Operate Time ≤10ms
    Release Time ≤5ms
    Dimension 38x33x20 mm /1.5x1.3x0.81 inches
    Mechanical Life 1 million times
    Electrical Life 50 thousand times
    Weight 20 g

    Pinout

    Gravity: Digital 10A Relay Module Pinout

    Num Label Description
    1 - GND
    2 + VCC
    3 D Control signal
    4 NC Normally Closed
    5 NO Normally Open
    6 N/A Empty Terminal
    7 COM Common port

    FAQ

    • What is the working principle?
      In brief, a relay is an electronic switch, which can use a small voltage to control high voltage or high current.
    • What is working principle?
      In brief, a relay is an electronic switch, which can use a small voltage to control high voltage or high current.

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