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Auto-Fill Water Tank System

Category :

Automation | Embedded Systems | Sensor Integration

Client :

Freelance Project

Start Date :

2018

Role:

Embedded Systems Engineer

Overview

Developed a non-contact water-level detection and refill automation system for filter tanks, providing a consistent water supply without manual monitoring. The system intelligently controlled valve operation based on real-time sensor feedback for efficient and reliable performance.

Key Features

  • Dual Microcontroller Control — Implemented using ATtiny85 and PIC16F84A, managing sensing, timing, and valve actuation.
  • Non-Contact Sensors — Used capacitive sensors for accurate level detection without water contact.
  • Automatic Refill Logic — Controlled solenoid valves to maintain optimal tank levels automatically.
  • Fail-Safe Operation — Built-in logic to prevent overflow conditions.
  • Low-Power, Compact Design — Suitable for continuous operation in household or industrial environments.

Outcome

Achieved fully automated tank refilling, eliminating manual intervention and ensuring uninterrupted water availability with minimal maintenance.

GitHub Repo

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