Contents

Introduction 1. Application Overview 1.1. pH Sensor 1.2. Temperature Sensor 1.3. Water Level Sensor 2. Building the System 2.1. Part One: The pH Sensor 2.2. Part Two: The Temperature and Water Level Sensors 2.3. Part Three: The I2C Master 3. Conclusion The Microchip Website Product Change Notification Service Customer Support Microchip Devices Code Protection Feature Legal Notice Trademarks Quality Management System Worldwide Sales and Service