Plant Watering Alarm Humidity Moisture Sensor Module
₹230.10 incl. GST (₹195.00 + GST)
The Smart Plant Watering Alarm is an intelligent plant-care device that uses capacitive soil moisture sensing to detect when plants need watering. It provides customizable moisture alerts through intelligent chirping and remains silent at night using ambient light detection. The device also monitors temperature and light, features low-power deep sleep operation, and supports adjustable I2C addressing, making it ideal for smart gardening, indoor plants, DIY electronics, and IoT projects.
Smart Plant Watering Alarm – Capacitive Soil Moisture Sensor
Product Description
The Smart Plant Watering Alarm is an intelligent plant-monitoring device designed to alert you when your plants need watering. It uses capacitive soil moisture sensing, which helps avoid electrode corrosion and soil electrolysis while providing reliable moisture monitoring. The device also monitors ambient light and temperature and uses intelligent chirping to indicate increasing soil dryness. With customizable alarm levels, night-time silent operation, and an energy-efficient deep sleep mode, it is ideal for home gardening, indoor plants, smart plant care, and DIY IoT projects.
Features
- Capacitive soil moisture sensing
- Helps prevent electrode corrosion and soil electrolysis
- Adjustable moisture alarm levels
- Intelligent chirping based on soil dryness
- Silent operation during nighttime
- Ambient light and temperature monitoring
- Low-power design with deep sleep mode
- Extended battery life
- Adjustable I2C address
- Compact and easy-to-use design
- Suitable for individual plant monitoring
Specifications
| Parameter | Specification |
|---|---|
| Product Type | Smart Plant Watering Alarm |
| Moisture Sensing | Capacitive |
| Additional Sensors | Light and Temperature |
| Alarm Type | Audible Chirp |
| Night Mode | Silent |
| Moisture Level | Customizable |
| Power Saving | Deep Sleep Mode |
| Communication | I2C |
| I2C Address | Adjustable |
| Soil Electrolysis | Prevented |
| Application | Plant Moisture Monitoring |
Design and Construction
The Smart Plant Watering Alarm combines a capacitive moisture sensor, ambient light sensing, temperature monitoring, alarm circuit, and low-power control system in a compact device. Its capacitive sensing approach reduces the problems associated with exposed metal electrodes, making it suitable for longer-term soil monitoring.
Working Principle
The device measures soil moisture using capacitive sensing and compares the detected moisture level with the configured alarm threshold. When the soil begins to dry, it produces occasional short chirps. As moisture continues to decrease, the chirping frequency increases to indicate that watering is becoming more urgent.
The ambient light sensor allows the device to identify nighttime conditions and suppress the alarm, while temperature and light measurements provide additional environmental information. A low-power sleep mode helps reduce battery consumption when continuous operation is not required.
Applications
- Indoor plant monitoring
- Smart gardening
- Plant watering reminders
- Home gardening
- DIY plant-care projects
- IoT agriculture projects
- Greenhouse monitoring
- Educational electronics
- Automated plant monitoring
- Long-term soil moisture monitoring
Package Includes
- 1 × Smart Plant Watering Alarm
Product Disclaimer
This product is designed as a plant moisture monitoring and watering alarm device. Actual sensing performance may vary depending on soil type, plant pot, environmental conditions, and sensor placement.
Product images are for representation only. The actual product may differ slightly in appearance, colour, dimensions, or component placement.
FAQs – Smart Plant Watering Alarm
1. What is the Smart Plant Watering Alarm?
It is a smart plant monitoring device that detects soil moisture and provides an audible alert when a plant requires watering.2. What type of moisture sensing does it use?
It uses capacitive soil moisture sensing, which helps reduce electrode corrosion and soil electrolysis.3. How does the watering alarm work?
As the soil dries, the device produces short chirps. The chirping frequency increases as the soil becomes progressively drier.4. Can the alarm level be adjusted?
Yes. The moisture alarm level can be customized according to the watering requirements of individual plants.5. Does it work silently at night?
Yes. It uses ambient light detection to identify nighttime conditions and can remain silent during the night.6. What additional parameters can it monitor?
Besides soil moisture, the device can monitor ambient light and temperature.7. Does it prevent soil electrolysis?
Yes. Its capacitive sensing method avoids direct electrical contact with the soil, helping prevent soil electrolysis.8. Is it suitable for indoor plants?
Yes. It is particularly useful for indoor plants, potted plants, home gardens, and plant-care applications.9. Does it consume a lot of power?
No. The device is designed for low-power operation and supports deep sleep mode to help extend battery life.10. Does it support I2C communication?
Yes. It supports an I2C interface and provides an adjustable I2C address for integration into different projects.11. Can the device be used with multiple sensors?
The adjustable I2C address allows greater flexibility when integrating compatible devices on an I2C bus.12. Can the alarm directly water the plant?
No. It provides a moisture alert but does not directly operate a water pump. An additional control circuit would be required for automatic watering.13. Where should the sensor be placed?
Place the sensing portion in the soil near the plant roots and keep the device positioned securely so it is not unnecessarily disturbed.14. What are the main applications?
It is suitable for smart gardening, indoor plant care, DIY electronics, IoT projects, greenhouse monitoring, and plant moisture monitoring.15. Does the package include the plant or watering system?
No. Plants, pots, pumps, batteries, and other accessories are not included unless specifically mentioned in the package contents.16. Does the capacitive sensor require direct electrical contact with the soil?
No. Capacitive sensing detects changes in soil moisture without relying on direct conductive contact like traditional electrode-based sensors.17. Why does the chirping rate increase?
The increasing chirp frequency provides an audible indication that the soil is becoming progressively drier and the plant may need watering soon.18. Can it be used for different types of plants?
Yes. The adjustable alarm level allows it to be configured according to the moisture requirements of different plants.19. Is the device suitable for long-term plant monitoring?
Yes. Its capacitive sensing and low-power design make it suitable for ongoing plant moisture monitoring.20. Can the Smart Plant Watering Alarm be used in DIY projects?
Yes. Its I2C interface, adjustable address, environmental sensing, and low-power operation make it suitable for DIY and IoT-based plant monitoring projects.Only logged in customers who have purchased this product may leave a review.








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