1. Introduction
The HIMOJO Smart Curtain Robot is an intelligent device designed to automate the opening and closing of curtains. It offers convenient control via a mobile application, voice commands through third-party smart speakers, and includes built-in sensors for enhanced automation. This manual provides detailed instructions for installation, operation, and maintenance of your smart curtain robot.

2. Product Features
- Regular opening and closing of curtains based on schedule.
- Control via Tuya APP.
- Automatic learning and saving of curtain schedules.
- Full open, close, or pause control of curtains.
- Built-in Luminosity sensor for automatic closing when luminosity exceeds a set value.
- Built-in Temperature sensor for automatic closing when temperature exceeds a set value.
- Supports single-opening or double-opening curtain configurations (double-opening requires a package with two robots).
- Supports remote control.
- Supports voice control with third-party smart speakers like Alexa and Google Assistant (requires a Bluetooth gateway).
3. Setup
3.1. Installation
The Smart Curtain Robot is designed for easy installation on various curtain tracks. It is suitable for 99% of curtain tracks in the market, including Roman rods, T-shaped, and U-shaped rails. Note: Telescopic curtain rods are not suitable for Roman rod curtain robots.

3.1.1. Roman Rod Installation
For Roman rods, ensure the rod diameter is between 15-40mm.
Video 1: Demonstrates the installation process for the smart curtain robot on a Roman rod.

3.1.2. T-Type and Inner Groove Rail Installation
The curtain robot can be used for T-shaped guide rails meeting size requirements (7mm-16mm) and inner groove guide rails meeting size requirements (5.3mm-10mm and 16mm-30mm).


3.2. Powering On/Off

- To turn on: Single press the Power Button. The indicator light will flash.
- To turn off: Long press the Power Button for 5 seconds. The indicator light will turn off.
3.3. APP Connection Method
The HIMOJO Smart Curtain Robot connects via Bluetooth to the Tuya Smart Life APP. For voice control with Alexa or Google Assistant, a Bluetooth gateway is required.
Video 2: Demonstrates the mobile phone APP connection process for the smart curtain robot.
- Download the Tuya Smart Life APP from your app store.
- Open the APP and register/log in.
- Ensure your device is powered on and in pairing mode (indicator light flashing).
- In the APP, tap 'Add Device' or the '+' icon. The APP may automatically discover the device.
- If not automatically discovered, select 'Add Manually' and search for 'Smart curtain robot' or 'Curtain Motor Controller'.
- Follow the on-screen instructions to complete the connection.


3.4. Learning Method (Curtain Calibration)
After connecting, the robot needs to learn the curtain's full open and close positions.

- In the device interface, ensure curtains are completely closed.
- Tap 'Start Study'.
- The robot will move the curtain to its fully open position.
- Confirm the position in the APP.
- The robot will then move to its fully closed position.
- Confirm the position in the APP to complete the learning process.
3.5. Voice Control Setup (with Bluetooth Gateway)
To enable voice control with Amazon Alexa or Google Assistant, a Bluetooth gateway is required. This gateway bridges the Bluetooth connection of the curtain robot to your home WiFi network, allowing integration with these smart home platforms.

Video 3: Demonstrates how to connect the curtain robot to Alexa via the Tuya app and a Bluetooth gateway.
- Set up your Bluetooth gateway according to its instructions and connect it to your Tuya Smart Life APP.
- Ensure your Smart Curtain Robot is already connected to the Tuya Smart Life APP.
- Open the Amazon Alexa or Google Home app.
- Go to 'Devices' and select 'Add Device'.
- Search for 'Tuya' and follow the instructions to link your Tuya Smart Life account.
- Once linked, discover devices. Your 'Smart curtain robot' should appear.
- You can now use voice commands like "Alexa, open curtains" or "Hey Google, close curtains."
4. Operating Instructions
4.1. APP Remote Control
Control your curtains from anywhere using the Tuya Smart Life APP.

- Open the Tuya Smart Life APP.
- Select your Smart Curtain Robot device.
- Use the 'Open', 'Close', or 'Ajar' (half-open) buttons to control the curtains.
4.2. Voice Control
Once integrated with Alexa or Google Assistant via a Bluetooth gateway, you can use voice commands.

- Example Commands:
- "Alexa, open the curtains."
- "Hey Google, close the curtains."
4.3. Timer Control and Schedules
Set up automated schedules for your curtains through the Tuya Smart Life APP.


- In the APP, navigate to the device settings.
- Select 'Timing' or 'Schedule' to create new routines.
- Set desired open/close times for specific days.
4.4. Sensor-Based Automation
The robot features built-in luminosity and temperature sensors for intelligent automation.


- In the APP's device settings, access 'Multi-function Settings'.
- Adjust the luminosity threshold: Curtains will automatically close if the ambient light exceeds the set luminosity.
- Adjust the temperature threshold: Curtains will automatically close if the room temperature exceeds the set temperature.
5. Maintenance
5.1. Charging
The Smart Curtain Robot is equipped with a built-in 4000mAh lithium battery. It charges via a Type-C interface.

- Connect the provided Type-C charging cable to the charging port on the device (refer to Figure 6).
- Connect the other end to a 5V-1A power adapter.
- A full charge allows the motor to run continuously for about 40 hours. With typical usage (opening and closing 4 times a day), the battery can last up to 6 months.
5.2. Cleaning
Wipe the device with a soft, dry cloth. Do not use liquid cleaners or immerse the device in water.
6. Troubleshooting
- Device not pairing with APP: Ensure the device is powered on and the indicator light is flashing. Try restarting the device and your phone's Bluetooth. Make sure you are within Bluetooth range.
- Remote control not pairing: Follow the pairing instructions in the manual carefully. If issues persist, try resetting the remote and the robot.
- Voice control not working: Verify that your Bluetooth gateway is properly connected to your WiFi and linked to your Alexa/Google Home account. Ensure the curtain robot is connected to the gateway via the Tuya Smart Life APP.
- Curtains not moving correctly: Re-run the 'Learning Method' (Curtain Calibration) in the APP to ensure the open/close positions are correctly set. Check for any obstructions on the curtain track.
- Battery draining quickly: Ensure the device is fully charged. Frequent manual operation or very heavy curtains might consume more power.
- Telescopic curtain rod compatibility: Note that telescopic curtain rods are not suitable for Roman rod curtain robots. Ensure you have the correct robot type for your curtain track.
7. Specifications
| Feature | Specification |
|---|---|
| Brand Name | HIMOJO |
| Model Number | Switch bot (LY-1688, LY-1689, LY-1670, LY-1671) |
| Product Name | Tuya Curtain Smart Electric Motor |
| Communication Type | Bluetooth (for direct APP control) |
| Control | Tuya APP, Remote Control, Voice Control (Alexa, Google Assistant with gateway) |
| Built-in Sensors | Luminosity sensor, Temperature sensor |
| Battery Type | Built-in 4000mAh Lithium Battery |
| Charging Interface | Type-C |
| Charging Voltage | 5V-1A |
| Standby Power Consumption | 600uA |
| Product Material | ABS+PC |
| Product Weight (single) | 0.478kg |
| Push Weight | 7-8 kg |
| Adaptation Size (Roman Rod) | Diameter 15-40mm |
| Adaptation Size (T-rail) | 7mm-16mm |
| Adaptation Size (Inner Groove Rail) | 5.3mm-10mm, 16mm-30mm |
| Certification | CE, RoHS, CQC |
| Product Launch Date | March 2021 |
8. User Tips
- For heavy or floor-length curtains: Consider purchasing the New Power Upgrade version of the curtain robot for enhanced performance.
- Battery Life: A fully charged robot can operate continuously for approximately 40 hours. With typical usage (opening and closing 4 times a day), the battery can last up to 6 months.
- Voice Control: Remember that a Bluetooth gateway is essential for integrating your curtain robot with Alexa or Google Home for voice commands.
- Multiple Robots: If you have multiple robots and a gateway, ensure each robot is individually paired with the Tuya app and then added to the gateway for centralized control.
9. Warranty and Support
For detailed guides and further assistance, please refer to the official user manual PDF available at: User manual (PDF).
For technical support or inquiries, you may contact Lianyou Intelligence:
- Contact Person: 彭先生
- Email Address: lyzn688@163.com
- Phone: 18802678750
- WhatsApp: 18802678750





