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1-Channel Relay Board With Qwiic

Qwiic Ecosystem Qwiic Actuators
Actuators & Outputs Relays & High-Power Switching
Interface ['i2c'] Qwiic Yes

Easily control high voltage devices with this 1-channel relay board featuring a Qwiic connector for simple, solder-free connections.

Have you ever wanted to turn on and off a device that needs large current or voltage? Whether operating on DC or AC, a relay is what you need. A relay is actually an electronic switch that is activated by a signal we send from a Dasduino or Arduino. This module further simplifies the whole process because it contains everything you need for the relay to work, and you just have to connect it to the microcontroller and power supply. You don't have to think about voltages and currents, insulation between high and low voltage or grounding, everything is already taken care of on the board.

This board has a Qwiic connector. Thanks to the Qwiic ecosystem, this board can be connected using off-the-shelf cables, without soldering. Controlling the is as simple as it gets, too.

  • Max. DC voltage and current: 30V, 10A
  • Max. AC voltage and current: 250V, 10A
  • Number of relays: 1 relay
  • Dimensions: 70 x 22 mm / 2.8 x 0.9 inch

Interface

Interface I2C
Qwiic Compatible Yes
I2C Address Default 0x30
I2C Address Changeable Yes
Breadboard Compatible Yes

Power

Logic Level 3V3 Only
Max Output Current A 10

Other

Ic Part Number SRD-05VDC-SL-C
Mcu Part Number ATTINY404
Start Here
1
Connect

Plug into any Soldered Dasduino or microcontroller with an easyC cable — no soldering required.

2
Install the library

Add the Soldered library for your language (below).

3
Run an example

Open the get-started example and read your first value.

What's in the Box
1-Channel Relay Board With Qwiic 333021
Pinout
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