1. Introducció
The YoLink Smart Temperature and Humidity Sensor (Model YS8003-UC) is an indoor environmental monitoring device designed to provide accurate temperature and humidity readings. Utilizing YoLink's LoRa-based wireless technology, this sensor offers extended range and low power consumption, making it suitable for various applications within your home or business. It requires a YoLink Hub for full functionality, enabling remote monitoring and alert notifications via the YoLink app.

Image 1.1: YoLink Smart Temperature and Humidity Sensor (YS8003-UC) and its companion mobile application interface.
2. Característiques del producte
- Tecnologia sense fils LoRa: Operates on a unique LoRa-based protocol, providing super long-range connectivity (up to 1/4 mile open-air) and low power consumption, without interfering with your WiFi network. Signals can penetrate through metal and concrete.
- Indoor Monitoring: Accurately measures indoor temperature and humidity.
- Ampli rang de mesura: Temperature range of 14°F to 122°F (-10°C to 50°C).
- High-Contrast Digital Display: Easy-to-read display shows current temperature and humidity.
- Llarga vida útil de la bateria: Powered by two AAA batteries (included), with an expected battery life of 2+ years.
- Alertes personalitzables: Receive notifications for high or low temperature and humidity conditions via text, email, phone push notifications (including critical alerts for iOS), and optional automated phone calls.
- In-App Data: View current and historical temperature and humidity graphs within the YoLink app.
- Exportació de dades: Historical data can be exported as a CSV file per a una anàlisi detallada.
- Integració de la llar intel·ligent: Compatible with IFTTT for advanced automation and Alexa for voice queries (temperature only).
- Capacitats d'automatització: Can trigger actions with other YoLink devices (e.g., smart plugs, relays) based on environmental conditions.

Image 2.1: Technical overview and features of the YoLink Temperature and Humidity Sensor.
3. Instruccions de configuració
To set up your YoLink Smart Temperature and Humidity Sensor, follow these steps:
- YoLink Hub Requirement: Ensure you have a YoLink Hub (e.g., SpeakerHub B09FSS95G9 or original Hub B07TQLKQLJ) connected to your internet and powered on. The sensor requires a hub for communication and app functionality.
- Install YoLink App: Download and install the YoLink app on your smartphone (available for Android and iOS).
- Crea un compte: Open the app and create a YoLink account or log in to your existing account.
- Afegeix un dispositiu: In the YoLink app, tap the '+' icon to add a new device. Select 'Sensor' and then 'Temperature & Humidity Sensor'.
- Escaneja el codi QR: Locate the QR code on the back of your YS8003-UC sensor. Use the app to scan this QR code.
- Instal·lació de la bateria: The sensor comes with two AAA batteries pre-installed. If not, open the battery compartment and insert the two AAA batteries, ensuring correct polarity.
- Device Naming and Placement: Follow the in-app prompts to name your sensor and assign it to a room. Place the sensor in your desired indoor location. It can be placed on a flat surface or wall-mounted using the keyhole slot on the back.
- Confirmació: Once successfully added, the sensor's current temperature and humidity readings will appear in the YoLink app.
4. Instruccions de funcionament
Once your sensor is set up, you can monitor environmental conditions and configure alerts.
4.1. Lectura de la pantalla
The sensor's front display shows the current temperature (in °F or °C) and relative humidity percentage (%).
4.2. Monitoring via YoLink App
- Open the YoLink app and navigate to your sensor's page.
- View real-time temperature and humidity readings.
- Access historical data graphs to track trends over time.
- Export historical data for further analysis.

Image 4.1: Real-time monitoring of temperature and humidity via the YoLink app.
4.3. Setting Up Alerts
Configure alerts to be notified of abnormal conditions:
- In the YoLink app, go to your sensor's settings.
- Set desired high and low thresholds for temperature and humidity.
- Choose your preferred notification methods: push notifications (standard or critical alerts), email, or SMS.
- Optional: Enable automated phone calls (subscription service) for critical alerts.
4.4. Integració de la llar intel·ligent
- IFTTT: Create applets to trigger actions based on temperature or humidity thresholds.
- Alexa: Query Alexa for the current temperature reading from your sensor. Humidity readings are not supported by Alexa at this time.
4.5. Device Automation
The sensor can be used to automate other YoLink devices. For example, you can set up rules to:
- Turn on a space heater via a YoLink smart plug if the temperature drops below a set point.
- Activate an exhaust fan via a YoLink smart switch if humidity exceeds a certain level.

Image 4.2: Automation example: controlling devices based on sensor readings.
5. Aplicacions
The YoLink Smart Temperature and Humidity Sensor is versatile and can be used in various indoor environments:
- Refrigerators & Freezers: Monitor internal temperatures to prevent food spoilage.
- Espais de vida: Ensure optimal comfort and health in bedrooms, nurseries, and other rooms.
- Pet & Livestock Care: Monitor conditions in chicken coops, dog kennels, barns, or other animal enclosures.
- Plant Nurseries & Grow Rooms: Maintain ideal temperature and humidity for plant growth.
- Emmagatzematge de vi: Protect wine collections by monitoring cellar conditions.
- Musical Instruments & Heirlooms: Preserve sensitive items like antiques, books, and musical instruments from environmental damage.
- RV Monitoring: Monitor conditions inside recreational vehicles to protect pets or prevent mold/mildew.
- Attic & Whole-House Fan Control: Automate ventilation systems based on temperature and humidity levels.
- Gestió de la humitat: Control humidifiers or dehumidifiers to maintain desired indoor humidity.

Image 5.1: Diverse applications of the YoLink Temperature and Humidity Sensor.
6. Manteniment
6.1. Substitució de la bateria
The YoLink YS8003-UC sensor uses two AAA batteries. With an expected life of 2+ years, replacement is infrequent. When the battery level is low, the YoLink app will notify you. To replace batteries:
- Gently open the battery compartment cover on the back of the device.
- Traieu les piles AAA velles.
- Insert two new AAA batteries, ensuring correct positive (+) and negative (-) polarity.
- Tanqueu bé la tapa del compartiment de la bateria.
6.2. Neteja
To clean the sensor, wipe the exterior with a soft, dry cloth. Do not use liquid cleaners or immerse the device in water.
7. Solució De Problemes
- El sensor no es connecta: Ensure your YoLink Hub is online and within range of the sensor. Check the sensor's batteries.
- Lectures inexactes: Verify the sensor is placed in a location free from direct sunlight, drafts, or heat sources that could affect readings. Allow some time for the sensor to stabilize after placement.
- Sense notificacions: Check your YoLink app notification settings and your phone's system notification permissions for the YoLink app. Ensure alert thresholds are correctly configured.
- Durada de la bateria curta: While expected battery life is 2+ years, extreme temperatures or very frequent data reporting (if configurable) can reduce battery life. Ensure you are using fresh, high-quality AAA alkaline batteries.
8. Especificacions
| Nom del model | YS8003-UC |
| Interval de temperatura de funcionament | De 14 °F a 122 °F (-10 °C a 50 °C) |
| Interval d'humitat de funcionament | ≤ 95% (sense condensació) |
| Durada esperada de la bateria | 2+ anys |
| Bateries | 2 piles AAA (incloses) |
| Tecnologia de connectivitat | Lora |
| Tipus de visualització | Digital |
| Dimensions | 2.44 x 2.44 x 2.44 polzades (62 x 62 x 23.5 mm) |
| Pes de l'article | 2.82 unces |
| Tipus de muntatge | Wall Mount, Countertop |
| Fabricant | YoSmart |
9. Garantia i Suport
For warranty information and technical support, please refer to the official YoLink website or contact YoLink customer service directly. Details are typically provided with your product packaging or available online.





