Explorer HAT tricks (The book + code samples)
Explorer HAT tricks
fun things to try with your Pimoroni Explorer HAT
About the Book
If you're
- a beginner who wants to start monitoring and controlling things with your Raspberry Pi
- an experienced maker with a newly purchased Pimoroni Explorer HAT
- an educator looking for fun projects to inspire
- an inventor needing to prototype your ideas
you should buy this book!
You'll learn how to
- configure your Raspberry Pi for use with the Pimoroni Explorer Pro
- turn the four on-board coloured LEDs on and off
- use the capacitive touch sensors to control your Pi
- add push-buttons and specialised LEDs to your projects
- fade the brightness of LEDs up and down
- measure voltage, light level and temperatures
- control electric motors with your Pi
You'll consolidate what you learn through fun projects.
If you have a Pi. the extra hardware will cost about £40.
You don't need to solder.
The programs are written on the Python language. If you don't know Python yet, it's a great way to start learning it!
About the Author
Table of Contents
-
Preface
- About the author
-
How to have fun with this book
- What’s this about?
- Get help if you need it
- Make sure you are registered!
- The Raspberry Pi
- Physical computing
- The Pimoroni Explorer HAT
- How much will the hardware cost?
- What skills do you need?
- What skills will you learn?
- Your choices
- A quick note about spelling
- A quick preview
-
Ready, steady, go!
- What’s this about?
- Prepare your Raspberry Pi
- Installing the HAT on the Pi
- Enabling interfaces
- Use Python 3
- Install software
- Summary
- Next
-
Hello, explorer!
- What’s this about?
- Turning an LED on and off from Python
- Control an LED from inside a Python program
- Blink an LED repeatedly
- Red is not the only LED
- Summary
- Next
-
Traffic lights project - first version
- What’s this about?
- UK traffic light sequence
- Some new Python features
- Defining Python functions
- The complete program
- Summary
- Next
-
SOS! - send Morse code
- What’s this about?
- The program
- Summary
- Next
-
The touchy Explorer HAT
- What’s this about?
- Touchpads
- Summary
- Next
-
LED to the breadboard
- What’s this about?
- Breadboards
- A quick experiment
- Blinking the LED
- Blinking program
- Touchpad control
- Summary
- Next
-
What’s the buzz?
- What’s this about?
- Two sorts of buzzer
- Wiring up the buzzer
- Driving the buzzer
- Buzzing Morse code
- Summary
- Next
-
Traffic lights project - second version
- What’s this about?
- Summary
- Next
-
Measuring analogue values
- What’s this about?
- Analogue measurements with the Explorer HAT
- Start building a weather station
- Measuring light levels with an LDR
- Summary
- Next
-
The plot thickens
- What’s this about?
- Calculating the LDR’s resistance
- Mu can plot your data!
- Summary
- Next
-
Getting pushy
- What’s this about?
- Wiring up a button
- Wiring up the button
- Writing the code
- Summary
- Next
-
Now you’re motoring
- What’s this about?
- The motor you’ll use
- Controlling motor direction
- Summary
- Next
-
Where next?
- Support for readers
- Next, two favours
- Resources for the future
-
Appendix A
- Resistor colour codes
- Wiring colours
- Notes
Authors have earned$9,886,858writing, publishing and selling on Leanpub, earning 80% royalties while saving up to 25 million pounds of CO2 and up to 46,000 trees.
Learn more about writing on Leanpub
The Leanpub 45-day 100% Happiness Guarantee
Within 45 days of purchase you can get a 100% refund on any Leanpub purchase, in two clicks.
See full terms
Free Updates. DRM Free.
If you buy a Leanpub book, you get free updates for as long as the author updates the book! Many authors use Leanpub to publish their books in-progress, while they are writing them. All readers get free updates, regardless of when they bought the book or how much they paid (including free).
Most Leanpub books are available in PDF (for computers), EPUB (for phones and tablets) and MOBI (for Kindle). The formats that a book includes are shown at the top right corner of this page.
Finally, Leanpub books don't have any DRM copy-protection nonsense, so you can easily read them on any supported device.
Learn more about Leanpub's ebook formats and where to read them
Top Books
- #1
C++ Best Practices
Jason TurnerLevel up your C++, get the tools working for you, eliminate common problems, and move on to more exciting things!
- #2
OpenIntro Statistics
David Diez, Christopher Barr, Mine Cetinkaya-Rundel, and OpenIntroA complete foundation for Statistics, also serving as a foundation for Data Science.
Leanpub revenue supports OpenIntro (US-based nonprofit) so we can provide free desk copies to teachers interested in using OpenIntro Statistics in the classroom and expand the project to support free textbooks in other subjects.
More resources: openintro.org.
- #3
Functional Design and Architecture
Alexander GraninSoftware Design in Functional Programming, Design Patterns and Practices, Methodologies and Application Architectures. How to build real software in Haskell with less efforts and low risks. The first complete source of knowledge.
- #4
Atomic Kotlin
Bruce Eckel and Svetlana IsakovaFor both beginning and experienced programmers! From the author of the multi-award-winning Thinking in C++ and Thinking in Java together with a member of the Kotlin language team comes a book that breaks the concepts into small, easy-to-digest "atoms," along with exercises supported by hints and solutions directly inside IntelliJ IDEA!
- #5
R Programming for Data Science
Roger D. PengThis book brings the fundamentals of R programming to you, using the same material developed as part of the industry-leading Johns Hopkins Data Science Specialization. The skills taught in this book will lay the foundation for you to begin your journey learning data science. Printed copies of this book are available through Lulu.
- #6
I am a Software Engineer and I am in Charge
Alexis Monville and Michael DoyleI am a Software Engineer and I am in Charge is a real-world, practical book that helps you increase your impact and satisfaction at work no matter who you work with.
In the book, we will follow Sandrine, a fictional character who learns to think in a new way enabling her to take a different course of action.
- #7
C++20
Rainer GrimmC++20 is the next big C++ standard after C++11. As C++11 did it, C++20 changes the way we program modern C++. This change is, in particular, due to the big four of C++20: ranges, coroutines, concepts, and modules.
- #8
Invest In Digital Health - The Medical Futurist's Guide
Dr. Bertalan MeskoArtificial Intelligence and Digital Health are booming. In this book, we explain why now it's a good time to invest in Digital Health and give recommendations on where to invest by looking at the top 24 technological trends we find the most promising.
- #9
Ansible for DevOps
Jeff GeerlingAnsible is a simple, but powerful, server and configuration management tool. Learn to use Ansible effectively, whether you manage one server—or thousands.
- #10
The Hundred-Page Machine Learning Book
Andriy BurkovEverything you really need to know in Machine Learning in a hundred pages.
Top Bundles
- #1
Software Architecture for Developers: Volumes 1 & 2 - Technical leadership and communication
2 Books
"Software Architecture for Developers" is a practical and pragmatic guide to modern, lightweight software architecture, specifically aimed at developers. You'll learn:The essence of software architecture.Why the software architecture role should include coding, coaching and collaboration.The things that you really need to think about before... - #2
CCIE Service Provider Ultimate Study Bundle
2 Books
Piotr Jablonski, Lukasz Bromirski, and Nick Russo have joined forces to deliver the only CCIE Service Provider training resource you'll ever need. This bundle contains a detailed and challenging collection of workbook labs, plus an extensively detailed technical reference guide. All of us have earned the CCIE Service Provider certification... - #3
The Future of Digital Health
6 Books
We put together the most popular books from The Medical Futurist to provide a clear picture about the major trends shaping the future of medicine and healthcare. Digital health technologies, artificial intelligence, the future of 20 medical specialties, big pharma, data privacy and how technology giants such as Amazon or Google want to conquer... - #4
Cisco CCNA 200-301 Complet
4 Books
Ce lot comprend les quatre volumes du guide préparation à l'examen de certification Cisco CCNA 200-301. - #5
Modern Management Made Easy
3 Books
Read all three Modern Management Made Easy books. Learn to manage yourself, lead and serve others, and lead the organization. - #6
CCDE Practical Studies (All labs)
3 Books
CCDE lab - #7
Modern C++ by Nicolai Josuttis
2 Books
- #8
"The C++ Standard Library" and "Concurrency with Modern C++"
2 Books
Get my books "The C++ Standard Library" and "Concurrency with Modern C++" in a bundle. The first book gives you the details you should know about the C++ standard library; the second one dives deeper into concurrency with modern C++. In sum, you get more than 600 pages full of modern C++ and about 250 source files presenting the standard library... - #9
Linux Administration Complet
4 Books
Ce lot comprend les quatre volumes du Guide Linux Administration :Linux Administration, Volume 1, Administration fondamentale : Guide pratique de préparation aux examens de certification LPIC 1, Linux Essentials, RHCSA et LFCS. Administration fondamentale. Introduction à Linux. Le Shell. Traitement du texte. Arborescence de fichiers. Sécurité... - #10
Advanced Product Management
3 Books
Get The Art of Strategy, Product Discovery and Lean Product Management with a 20% discount.
