1. Rhagymadrodd
The SONOFF DUALR3 Lite is a dual-relay Wi-Fi smart switch module designed to transform traditional switches and motorized devices into smart ones. It supports two-way control and is compatible with various smart home platforms, including Alexa and Google Assistant. This module is ideal for automating curtains, blinds, roller shutters, and other motorized facilities, offering both motor mode and switch mode functionalities.
The DUALR3 Lite has received TUV certifications, ensuring a safer and more reliable product for your home automation needs.

Figure 1: SONOFF DUALR3 Lite Smart Switch Modules
2. Gwybodaeth Diogelwch
Please read and understand all safety instructions before installation and operation. Failure to follow these instructions may result in electric shock, fire, or other hazards.
- Dylai'r gosodiad gael ei wneud gan drydanwr neu weithiwr proffesiynol cymwys.
- Sicrhewch fod y cyflenwad pŵer wedi'i ddatgysylltu cyn gosod neu gynnal a chadw.
- Peidiwch â gwneud y ddyfais yn agored i leithder neu dymheredd eithafol.
- Operate the device within its specified electrical ratings (100-240V AC, 10A Max).
- Cadwch allan o gyrraedd plant.
3. Product Features and Applications
The DUALR3 Lite offers versatile control for various motorized and electrical appliances:
- Dual Relay Control: Independently control two devices or a single motorized device with two directions (e.g., open/close).
- Cysylltedd Wi-Fi: Connects to your home Wi-Fi network for remote control via the eWeLink app.
- Modd Modur: Specifically designed for 100-240V AC motors, enabling smart control of curtains, blinds, roller shutters, awnings, and more. Supports four-wire AC motors (GND, Neutral, Forward, Reverse).
- Modd Newid: Can also function as a standard smart switch for lights and other appliances.
- Rheoli llais: Yn gydnaws ag Amazon Alexa a Google Assistant ar gyfer gweithrediad di-dwylo.
- Scheduling & Scenes: Set timers, schedules, and create smart scenes for automated operation.
- Existing Switch Compatibility: Retains functionality with your existing wall switches.

Figure 2: DIY Automated Motorized Facilities with DUALR3 Lite
DUALR3 Lite vs. DUALR3 Comparison
The DUALR3 Lite is a streamlined version of the DUALR3. Key differences are outlined below:

Figure 3: Feature Comparison: DUALR3 vs. DUALR3 Lite
| Nodweddion | DUALR3 | DUALR3 Lite |
|---|---|---|
| Power metering (monitoring, real-time & historical power statistics) | ✓ | ✗ |
| Gorlwytho amddiffyn | ✓ | ✗ |
| Roller motor stroke calibration | ✓ | ✗ |
| Progress bar control with percentage (motor position display) | ✓ | ✗ |
| Modd Mesurydd | ✓ | ✗ |
| Modd Modur | ✓ | ✓ |
| External switch control in both Motor and Switch Mode | ✓ | ✓ |
| Modd Newid | ✓ | ✓ |
Note: The roller motor requires the travel limit function.
4. Gosod a Gosod
Before proceeding with installation, ensure the main power supply is turned off at the circuit breaker to prevent electric shock.
4.1 Gwifrau
The DUALR3 Lite module requires connection to live, neutral, and load wires. For motorized applications, it connects to the motor's forward and reverse control wires. Refer to the wiring diagram provided in the product packaging or the eWeLink app for detailed instructions specific to your application (e.g., curtain motor, light switch).
- Mewnbwn: Connect Live (L) and Neutral (N) wires from your power supply.
- Allbwn: Connect Live Out 1 (L Out 1) and Live Out 2 (L Out 2) to your devices or motor.
- Switsh Allanol: Connect your existing wall switch to S1 and S2 terminals for manual control.
Pwysig: Ensure all connections are secure and insulated. If you are unsure about electrical wiring, consult a qualified electrician.
4.2 Paru ag Ap eWeLink
- Lawrlwythwch yr ap eWeLink o'r App Store neu Google Play.
- Register and log in to your eWeLink account.
- Power on the DUALR3 Lite module. It will automatically enter pairing mode (indicated by a blinking LED). If not, press and hold the pairing button for 5 seconds.
- In the eWeLink app, tap the '+' icon to add a device.
- Dilynwch y cyfarwyddiadau ar y sgrin i gysylltu'r ddyfais â'ch rhwydwaith Wi-Fi 2.4GHz.
- Once connected, you can name your device and assign it to a room.
4.3 Mathau o Switshis Cydnaws
The DUALR3 Lite is designed to work with various existing switch types, allowing you to retain manual control alongside app control.

Figure 4: Compatible Existing Switch Types
5. Cyfarwyddiadau Gweithredu
Once installed and paired, you can control your DUALR3 Lite using the eWeLink app, voice commands, or your existing wall switches.
5.1 Rheoli App
Open the eWeLink app to access your DUALR3 Lite. You can:
- Turn devices on/off.
- Control motorized devices (e.g., open/close curtains, adjust position).
- Gosod amserlenni ac amseryddion.
- Create smart scenes to automate actions based on conditions (e.g., time, other device status).

Figure 5: Remote Control via eWeLink App
5.2 Rheoli Llais
Integrate your DUALR3 Lite with Amazon Alexa or Google Assistant for convenient voice control. Link your eWeLink account in the respective assistant app and use commands such as:
- "Alexa, open the living room curtain."
- "Hei Google, diffoddwch olau'r ystafell wely."

Figure 6: Voice Control Example
5.3 Amserlennu
Set up schedules to automatically open or close your curtains, blinds, or other devices at specific times. This feature enhances comfort and energy efficiency.

Figure 7: Scheduling for Automated Comfort
6. cynnal
To ensure optimal performance and longevity of your DUALR3 Lite module:
- Cadwch y ddyfais yn lân ac yn rhydd o lwch. Defnyddiwch frethyn sych, meddal i'w lanhau.
- Osgoi dinoethi'r modiwl i ddŵr neu hylifau eraill.
- Regularly check the eWeLink app for firmware updates to ensure you have the latest features and security enhancements.
- Peidiwch â cheisio dadosod na thrwsio'r ddyfais eich hun. Cysylltwch â chymorth cwsmeriaid os bydd problemau'n codi.
7. Datrys Problemau
If you encounter issues with your DUALR3 Lite, consider the following common solutions:
- Dyfais All-lein: Check your Wi-Fi connection. Ensure the module is within range of your 2.4GHz Wi-Fi router. Restart the module and your router.
- Methu paru: Ensure the device is in pairing mode (blinking LED). Verify your Wi-Fi password and network type (only 2.4GHz is supported). Try resetting the device by holding the pairing button for 5 seconds.
- Modur Ddim yn Ymateb: Check wiring connections to the motor. Ensure the module is in 'Motor Mode' in the eWeLink app settings. Verify the motor itself is functioning correctly.
- Rheoli Llais Ddim yn Gweithio: Ensure your eWeLink account is correctly linked to Alexa or Google Assistant. Check the device name in the eWeLink app and use clear voice commands.
- Intermittent Control: This could be due to weak Wi-Fi signal. Consider relocating your router or adding a Wi-Fi extender.
For further assistance, refer to the eWeLink app's help section or contact SONOFF customer support.
8. manylebau
| Manyleb | Manylyn |
|---|---|
| Rhif Model | DUALR3 Lite |
| Dimensiynau Cynnyrch | 1.3 x 2.68 x 4.02 modfedd; 4.8 owns |
| Gwneuthurwr | SONOFF |
| Modd Gweithredu | Switsh Smart |
| Graddfa Gyfredol | 10 Amps |
| Vol Gweithredutage | 120 Volts (Supports 100-240V AC) |
| Math Cyswllt | Digyffwrdd |
| Math o Gysylltydd | Crimp |
| Newid Math | Rocwr |
| Terfynell | Sgriw |
| Deunydd | Copr |
| Safon Di-wifr | Wi-Fi IEEE 802.11 b / g / n 2.4GHz |
9. Gwarant a Chefnogaeth
SONOFF products typically come with a limited warranty. Please refer to the warranty card included with your product or visit the official SONOFF websafle am delerau ac amodau gwarant manwl.
For technical support, troubleshooting, or any inquiries, please contact SONOFF customer service through their official website or the eWeLink app's support section.
Ni chanfuwyd unrhyw fideos cynnyrch swyddogol gan y gwerthwr yn y data a ddarparwyd.





