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M5 Stack

M5 Stack Mini 3A Relay Unit

M5 Stack Mini 3A Relay Unit

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Regular price Rs. 349
Regular price Rs. 464 Sale price Rs. 349
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  • Single-BUS control
  • Up to 3A @ 30 V DC or 220 V AC
  • Software Development Platform: Arduino, UIFlow (Blockly, Python)
  • Two Lego-compatible holes
Also checkout M5 Stack Development Kits, Sensors&Hats, Cameras and Modules collection

M5 Stack Mini 3A Relay Unit

RELAY as it says is an M5Unit that implements Relay functions. Relay can be used as an electrically operated switch, uses an electromagnet to mechanically operate a switch, where it is necessary to control a large power load circuit by a separate low-power signal such as digital signal output from a microprocessor.

The Relay support input voltage of up to 30V DC and 220V AC.

There are 3 pins named: ON, OFF, COM. You can program to make COM connect to ON or OFF, just by high and low output of a digital GPIO.


Remote control of high-power appliances, such as refrigerators, air conditioners, TVs, etc.

Also check the M5 Stack Grove-T Connector, which comes in a package of 5 pieces. It is a T-shaped hub called CONNEXT-T, used for CONNEXT port expansion.

Also check M5 Stack 1 to 3 HUB Unit. The HUB Unit is a device that allows you to connect more GROVE ports to your M5Stack device. This is useful if you want to use multiple sensors or other devices at the same time. 

Package Includes:

1x RELAY Unit
1x Grove Cable
1x 3.96 socket


48 x 24 x 21mm
Weight 26gm

Shipping & Returns

  • All orders confirmed before 3 pm IST are shipped on the
    same day, barring rare pickup delays on holidays or disturbances
  • Delivery time in Metro cities is 1-3 days, Others it is
    3-7 days. It varies based on location, reliant on courier services
  • Return window: 7 days from receipt unless stated
    otherwise. No refunds/replacements after
  • Returns only for non-working/damaged products are accepted
  • Initiate return requests to our customer service team via Support ticket or contact us at +91-8123057137
  • Refunds are processed within 3-4 working days post inspection and approval.

For more details, please check our Shipping and Return Policy

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