Book Image

Practical C Programming

By : B. M. Harwani
Book Image

Practical C Programming

By: B. M. Harwani

Overview of this book

Used in everything from microcontrollers to operating systems, C is a popular programming language among developers because of its flexibility and versatility. This book helps you get hands-on with various tasks, covering the fundamental as well as complex C programming concepts that are essential for making real-life applications. You’ll start with recipes for arrays, strings, user-defined functions, and pre-processing directives. Once you’re familiar with the basic features, you’ll gradually move on to learning pointers, file handling, concurrency, networking, and inter-process communication (IPC). The book then illustrates how to carry out searching and arrange data using different sorting techniques, before demonstrating the implementation of data structures such as stacks and queues. Later, you’ll learn interesting programming features such as using graphics for drawing and animation, and the application of general-purpose utilities. Finally, the book will take you through advanced concepts such as low-level programming, embedded software, IoT, and security in coding, as well as techniques for improving code performance. By the end of this book, you'll have a clear understanding of C programming, and have the skills you need to develop robust apps.
Table of Contents (20 chapters)

Sensing the temperature using Arduino with the LM35 sensor

In this recipe, we will learn how to sense temperature using the LM35 sensor connected to the Arduino board and will display the temperature in Celsius and Fahrenheit.

Getting ready...

For this recipe, we will require the following three components: a breadboard, Arduino Uno R3, and an LM35 sensor.

The LM35 is a temperature sensor that produces an output voltage that is linearly proportional to centigrade temperature. It does not require any external calibration or trimming to provide an accurate temperature. It has three terminals, Vs, Vout, and Ground, as shown in the following diagram:

Figure 5.12

We will connect the LM35 sensor to the Arduino board as...