Irfora S09
User Manual for Irfora S09 Tuya WiFi 3-in-1 Smart Sensor
Model: S09
1. Introduction
Thank you for choosing the Irfora S09 Tuya WiFi 3-in-1 Smart Sensor. This device integrates temperature and humidity detection with infrared remote control capabilities, allowing you to monitor your environment and control IR-enabled appliances through a single smart device. This manual provides detailed instructions for setup, operation, and maintenance to ensure optimal performance and a seamless user experience.
2. Product Overview
The Irfora S09 is a versatile smart sensor designed to enhance your smart home experience. It features a clear LCD display for real-time temperature and humidity readings, and its integrated infrared remote control allows you to manage various household appliances. Key features include:
- 3-in-1 Functionality: Combines temperature detection, humidity detection, and infrared remote control.
- Accurate Measurement: Provides precise temperature (±1℃) and humidity (±5%RH) readings with real-time updates.
- ℃/℉ Conversion: Easily switch between Celsius and Fahrenheit display units.
- Intelligent Linkage: Supports automation rules to control IR devices based on environmental conditions (e.g., turn on AC when temperature reaches a certain level).
- Remote Control: Control IR-enabled devices like TVs, air conditioners, and set-top boxes via the Tuya Smart APP.
- Voice Control Support: Compatible with Amazon Alexa and Google Assistant for hands-free operation.
- USB Type-C Power: Reliable power supply via a Type-C cable.

Figure 2.1: Front view of the Irfora S09 Smart Sensor, displaying temperature (32.6°C), humidity (68%), current time (10:23 AM), and date (2021/03/28) on its LCD screen. The device is black with a stand.
3. Specifications
| Feature | Specification |
|---|---|
| Material | ABS |
| LED Display Color | Blue |
| Infrared Frequency | 38 kHz |
| Infrared Range | ≤12 Meters |
| Input Power | DC 5V 1A |
| WiFi Frequency | 2.4 GHz IEEE 802.11b/g/n |
| Humidity Measurement Range | 0% ~ 99% RH |
| Temperature Measurement Range | 0 ~ 60 °C |
| Temperature Measurement Accuracy | ±1℃ |
| Humidity Measurement Accuracy | ±5% RH |
| Compatibility | Android 4.4+ or iOS 8.0+ |
| Power Supply | Type-C Cable ONLY (No internal battery) |
| Product Dimensions | 14 x 8.3 x 2 cm |
| Packaging Weight | 95 g |

Figure 3.1: The Irfora S09 Smart Sensor highlighting its accurate measurement capabilities, showing a temperature accuracy of ±1°C and humidity accuracy of ±5% RH.
4. Package Contents
Please check the package for the following items:
- 1 x Irfora S09 Smart Sensor
- 1 x Type-C Cable
- 1 x User Manual (this document)
Note: This product does not contain a battery. It requires continuous power via the included Type-C cable for operation.
5. Setup
5.1 Powering On the Device
- Connect the provided Type-C cable to the power input port on the Irfora S09 Smart Sensor.
- Plug the other end of the Type-C cable into a standard USB power adapter (5V 1A, not included) or a compatible USB port.
- The LCD display will light up, indicating the device is powered on.
5.2 App Installation and Pairing
To utilize the smart features and remote control functions, you need to install the Tuya Smart APP on your mobile device.
- Download the Tuya Smart APP from the App Store (iOS) or Google Play Store (Android).
- Register or log in to your Tuya Smart account.
- Ensure your mobile device is connected to a 2.4 GHz WiFi network. The Irfora S09 only supports 2.4 GHz WiFi.
- In the Tuya Smart APP, tap the "Add Device" or "+" icon.
- Follow the on-screen instructions in the app to add the "Infrared Remote Control" or "Smart Sensor" device. You may need to put the S09 into pairing mode (refer to the app's specific instructions for pairing).
- Once successfully paired, the device will appear in your app, and you can begin configuring its features.
5.3 Temperature Unit Conversion (℃/℉)
You can switch the temperature display unit between Celsius (℃) and Fahrenheit (℉) directly on the device.
- Locate the reset button on the device (usually a small pinhole button).
- Press the reset button once briefly. The temperature unit on the LCD display will toggle between ℃ and ℉.

Figure 5.1: Illustration of the temperature unit conversion feature on the Irfora S09 Smart Sensor, demonstrating how the display changes from Celsius to Fahrenheit with a single press of the reset button.
6. Operating Instructions
6.1 Monitoring Temperature and Humidity
The Irfora S09 continuously monitors and displays the current temperature and humidity on its LCD screen. The readings are updated in real-time.
- The large number on the top left of the display indicates the temperature.
- The number on the top right indicates the relative humidity.
- You can also view historical data and real-time graphs within the Tuya Smart APP.
6.2 Infrared Remote Control Functionality
The S09 acts as a universal infrared remote control hub. You can add and control various IR-enabled devices through the Tuya Smart APP.
- Open the Tuya Smart APP and select your Irfora S09 device.
- Tap on "Add Remote Control" or a similar option.
- Choose the type of device you want to control (e.g., TV, Air Conditioner, Set-top Box, Fan).
- Follow the app's instructions to pair your appliance. This usually involves selecting the brand and testing pre-set codes, or using a learning function by pointing your original remote at the S09.
- Once added, you can control the appliance directly from the app, even when you are away from home.

Figure 6.1: The Irfora S09 Smart Sensor integrated into a smart home environment, demonstrating its ability to act as a temperature sensor and control an air conditioner via the mobile app.

Figure 6.2: The Irfora S09 Smart Sensor functioning as a humidity sensor, illustrating its capability to monitor indoor humidity and potentially control a humidifier through the mobile application.
6.3 Intelligent Linkage and Automation
The S09 supports intelligent automation rules within the Tuya Smart APP, allowing devices to react to environmental changes.
- In the Tuya Smart APP, navigate to the "Smart" or "Automation" section.
- Create a new automation. For example:
- Condition: When the indoor temperature reaches 25.7℃ (or your desired temperature).
- Action: Turn on the air conditioner (controlled via the S09's IR function).
- Another example:
- Condition: When the humidity is lower than 76% (or your desired humidity).
- Action: Turn on the humidifier (controlled via the S09's IR function).
- Save and enable the automation.

Figure 6.3: Visual representation of intelligent linkage scenarios using the Irfora S09 Smart Sensor, showing how it can automatically activate an air conditioner based on temperature or a humidifier based on humidity levels.
6.4 Voice Control Integration
The Irfora S09 can be integrated with voice assistants like Amazon Alexa and Google Assistant for convenient hands-free control of your IR devices.
- Ensure your Irfora S09 is successfully paired with the Tuya Smart APP.
- Open your Amazon Alexa or Google Home app.
- Enable the "Tuya Smart" skill/service.
- Link your Tuya Smart account with your voice assistant account.
- Discover devices. Your IR-controlled appliances (e.g., TV, AC) that are set up through the S09 in the Tuya app should now be discoverable by your voice assistant.
- You can now use voice commands such as:
- "Alexa, turn on the TV."
- "Hey Google, set the air conditioner to 24 degrees."

Figure 6.4: An illustration showing the Irfora S09 Smart Sensor's compatibility with voice assistants like Google Home and Amazon Alexa, enabling users to control IR devices such as a TV using voice commands.

Figure 6.5: Overview of the Irfora S09 Smart Sensor's voice control capabilities, demonstrating its ability to control a range of IR-enabled devices including air conditioners, TVs, and smart switches via Amazon Alexa and Google Assistant.
6.5 Device Sharing
You can share control of your Irfora S09 and its connected IR devices with family members through the Tuya Smart APP.
- In the Tuya Smart APP, go to the device settings for your S09.
- Look for a "Share Device" or "Device Sharing" option.
- Add family members by entering their Tuya Smart account details. They will then have access to control the S09 and its paired IR devices.

Figure 6.6: An image illustrating the device sharing feature of the Irfora S09 Smart Sensor, allowing multiple family members to control the universal remote via their mobile phones.
7. Maintenance
- Cleaning: Use a soft, dry cloth to clean the device. Do not use abrasive cleaners or solvents.
- Placement: Place the sensor in a central location within the room, away from direct sunlight, heat sources, or drafts, to ensure accurate temperature and humidity readings. Ensure there are no obstructions between the sensor and the IR-controlled devices.
- Power Supply: Always use the provided Type-C cable and a compatible 5V 1A power adapter.
- Firmware Updates: Periodically check the Tuya Smart APP for any available firmware updates for your device to ensure optimal performance and new features.
8. Troubleshooting
| Problem | Possible Cause / Solution |
|---|---|
| Device not powering on. |
|
| Cannot connect to WiFi. |
|
| IR remote control not working. |
|
| Inaccurate temperature/humidity readings. |
|
| Voice control not responding. |
|
9. Warranty and Support
This product is covered by a standard manufacturer's warranty. For specific warranty terms and conditions, please refer to the documentation provided at the time of purchase or contact your retailer.
If you encounter any issues or have questions regarding the Irfora S09 Smart Sensor that are not addressed in this manual, please contact Irfora customer support or your local distributor for assistance. Please have your product model (S09) and purchase details ready when contacting support.
For the latest information and support resources, you may also visit the official Irfora store on Amazon: Irfora Store
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