Makers & Projects

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All about Raspberry pi Projects

             There is a lot to discuss in this chapter, this is all about the projects that you will be able to put together whit the Raspberry pi , a prototype board, a couple of cables, some sensor and peripherals such as displays and the raspberry-pi camera and voila!! Your projects will be brought to live.


GitHub is an Internet hosting service for software development and version control using Git. It provides the distributed version control of Git plus access control, bug tracking, software feature requests, task management, continuous integration, and wikis for every project.

We will use github just as an additional tool for the people who would like to copy the code of the projects the main link is the one below:

GitHub – mariomeraztechauthor/Linux_Raspberrypi_Book

GitHub – mariomeraztechauthor/Linux_Raspberrypi_BookContribute to mariomeraztechauthor/Linux_Raspberrypi_Book development by creating an account on GitHub.


The software,code.scripts in this book are provided “as is” without warranty of any kind, express or implied, including but not limited to the warranties of merchantability, fitness for a particular purpose and noninfringement. In no event shall the author of this book (Mario Meraz) is liable for any claim, damages or other liability, whether in an action of contract, tort or otherwise, arising from, out of or in connection with the software or use or other dealings in the software, code and scripts here presented in the book the github links and the web site:

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What is the internet of Things (IoT) ?

According to Wikipedia: The internet of things is the network of physical devices, vehicles, home appliances and many other items embedded with electronics, software, sensors, actuators and network connectivity which enable these objects to connect and exchange data.


[Data Collection & Measurement]

Wired or Wireless Network

[Transmission of Data through network]


[Data Assessment]

User Interaction

[Action or response based on assessment]

The IoT technologies are nowadays everywhere and the ecosystem is really rich and extended to almost all industries, these days currently things as streets lights, trash cans, containers, caws, cars, smartwatch’s ,  medical devices, smart grids, makers-types small boards such as arduino and raspberry are considered IoT devices as well, needless to say trees are connected to the internet of things networks.

There are estimations that by 2025 around 20 Billion of IoT will be connected to any type of network either private or public network such as the internet.

Reference: IoT & 5G Architectures and Standards.

Internet of Things, 5G Open RAN, 3GPP Standards & Industry 4.0, by Mario Meraz

Let’s start off with the types of sensors. There are several types of sensors, which we will define below:

What is build-essential Python?

Build-essential is what is called a meta-package. It in itself does not install anything. Instead, it is a link to several other packages that will be installed as dependencies. In the case of the build-essential meta-package, it will install everything required for compiling basic software written in C and C++.

mariomeraz@raspberrypi: ~ $sudo apt install build-essential python-dev

Reading package lists… Done

Building dependency tree       

Reading state information… Done

build-essential is already the newest version (12.6).

python-dev is already the newest version (2.7.16-1).

python-dev set to manually installed.

The following packages were automatically installed and are no longer required:

  libmicrodns0 rpi-eeprom-images

Use ‘sudo apt autoremove’ to remove them.

0 upgraded, 0 newly installed, 0 to remove and 224 not upgraded.