Introducing the Smart Touchless Water Tap, an intelligent and hygienic water dispensing solution developed using Arduino UNO technology. This system uses an ultrasonic sensor to detect hand movement near the tap and automatically turns the water ON/OFF using a relay-controlled water pump—completely touch-free.
The system helps prevent water wastage, improves cleanliness, and offers a modern automation experience. It is especially useful in public places where hygiene and water conservation are critical.
Designed with durable electronic components and powered by a rechargeable Li-ion battery, the Smart Water Tap operates efficiently with low power consumption and minimal maintenance
Hardware Components
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Microcontroller: Arduino UNO
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Sensor: Ultrasonic Sensor (HC-SR04)
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Actuator: 5V DC Water Pump
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Control Module: Single Channel Relay Module (5V)
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Power Source: Li-ion Battery with Battery Holder
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Switch: Mini ON/OFF Switch
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Wiring: High-quality Jumper Wires
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Tap Structure: Plastic / Metal (customizable)
Software Details
Program Features
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Continuous distance sensing
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Automatic water ON/OFF control
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Adjustable detection distance
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Low-power operation
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Reliable relay switching
Working Principle
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Ultrasonic sensor continuously monitors distance.
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When hands come within preset range (~15–20 cm), signal is sent to Arduino.
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Arduino activates relay module.
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Relay turns water pump ON → water flows.
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When hands move away, pump turns OFF automatically.
Performance
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Response Time: < 0.5 seconds
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Operating Distance: ~15–20 cm (adjustable)
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Water Saving: Up to 60%
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Operating Mode: Fully automatic & touchless
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Power Consumption: Low & efficient
Attributes – Title & Details
| Attribute Title |
Details |
| Product Name |
Smart Touchless Water Tap |
| Model |
SWT-2025 (Arduino-Based) |
| Technology Used |
Ultrasonic Sensing + Relay Automation |
| Sensor Range |
~20 cm Adjustable |
| Power Source |
Li-ion Battery |
| Control Method |
Automatic, Contactless |
| Material |
Durable Plastic / Metal |
| Ideal For |
Homes, Schools, Hospitals, Offices, Public Washrooms |
| Special Feature |
Water Saving & Hygienic Operation |
| Project Type |
Smart Water Management System |
| Made By |
Sparkovation Hub of Science & Technology Pvt. Ltd. |
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