Description
What it is
The ARD0011182 Low Level Relay is an electronic control device that allows managing electrical devices with voltages up to 240V and currents up to 2A, using logic signals from Arduino or other microcontrollers.
Features
- Low level solid state relay (SSR) with stable fuse
- 4 independent control channels
- Operating logic voltage: 5V
- Maximum voltage managed: 240V
- Maximum current for single device: 2A
What it is for
This relay is ideal for home or industrial automation projects, such as creating an automatic lighting system with light sensors. It is compatible with Arduino and other microcontrollers that support 5V logic signals.
Tutorial: How to use the 4 Channel SSR 5V Relay
This solid state relay is ideal for controlling 240V electrical devices with a small 5V signal. Useful for beginner and intermediate makers.
What you need
- Arduino or compatible microcontroller
- Connection cable
- Thermostat or device to control
- Multimeter
Steps
- 1. Ensure the relay has a stable 240V 2A fuse.
- 2. Connect the relay to an Arduino or microcontroller (5V).
- 3. Connect the thermostat or controlled device between the relay pins and 240V current.
- 4. Configure the Arduino code to control the channels.
- 5. Check the datasheet for voltage and current values.
- 6. Test the relay with a multimeter.
- 7. Program the relay with an Arduino sketch.
- 8. Check the stability of the relay.
Mini project
Create an automatic lighting system with a light sensor and a relay.
Common mistakes
- Connect the relay to voltages higher than 240V.
- Omit the fuse.
- Do not test the relay before use.
- Ignore the values specified in the datasheet.
Recommended accessories
- Light sensor
- Thermostat
- Arduino Uno
- Connection cable
Frequently asked questions
Does the relay work with voltages different from 240V?
Check the datasheet. The relay is designed for 240V.
How long can the relay operate?
Check the datasheet for lifespan and stability times.
Can it control high current devices?
Yes, up to 2A per channel.





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