SeeedStudio Grove 4 Channel SPDT Relay


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SKU: 672611
  1. High-temperature resistant plastic shell
  2. High voltage load
  3. Low power consumption
  4. Long-lasting
  5. 128 Optional I2C address


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Category: Relay Modules

The Single Pole Double Throw SPDT relay is quite useful in certain applications because it has one common terminal and 2 contacts which are great for selecting between two options.

The Grove – 4-Channel SPDT Relay has four single pole – double throw (SPDT) switches. It only requires low-voltage and low current signals to control those switches. Specifically, you can use 5V DC to control max.250V AC or 110V DC.

The I2C address is changeable so that you can use multiple relay modules in the same project.

We use an onboard STM32F030F4P6 to control the channels separately. The command from Arduino or other boards is transmitted via the I2C interface, the on-board STM32F030F4P6 will parse the command so that you can control the switch you want.

Pin Diagram

Seeed Studio 48


  1. High-temperature resistant plastic shell
  2. High voltage load
  3. Low power consumption
  4. Long-lasting
  5. 128 Optional I2C address


  1. Domestic appliance
  2. Office machine
  3. The remote control TV receiver
  4. Monitor display
  5. Audio equipment high rushing current use application

Useful Links:


Package Includes:

1 x Grove – 4 Channel SPDT Relay

1 x Grove Cable

1 x Acrylic Case

1 x A bag of Nylon nuts, studs and bolts

SKU: 672611 Category:
Working voltage


Nominal Coil Current


TUV Certification Load

10A 250VAC/ 10A 30VDC

UL Certification Load

10A 125VAC 28VDC

Power Consumption

abt. 0.45W

Trigger Voltage (VDC)


Switching Voltage (VDC)


Switching Voltage (VAC)


Insulation Resistance

100MΩ Min. (500VDC)

Contact Resistance

100mΩ Max.

Max. ON/OFF Switching

30 operation/min

Ambient Temperature

-40°C to +85°C

Operating Humidity

45% to 85% r.h.

Contact Material


Input Interface


Default I2C Address

0x11 or 0x12

Available I2C Address

0x00 ~ 0x7F

Output Interface

3 Pins DIP Female Screw Terminal-Green

Shipping Weight 0.04 kg
Shipping Dimensions 12 × 6 × 2 cm
6 Months Warranty

This item is covered with a supplier warranty of 6 months from the time of delivery against manufacturing defects only. This is a quality product from the original manufacturer. Only manufacturing defects are covered under this warranty. Replacement will be done against manufacturing defects.

What voids the warranty:

If the product is subject to misuse, tampering, static discharge, accident, water or fire damage, use of chemicals & soldered or altered in any way.

Datasheet of SRD 5VDC SLC Relay

Datasheet of S9013

Datasheet of STM32

Grove-4-Channel SPDT Relay eagle files

Multi Channel Relay Arduino Library

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Country Of Origin: China