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
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
Do Well. Do Good.
Authors have earned$10,884,695writing, 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
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
Functional event-driven architecture: Powered by Scala 3
Gabriel VolpeExplore the event-driven architecture (EDA) in a purely functional way, mainly powered by Fs2 streams in Scala 3!
Leverage your functional programming skills by designing and writing stateless microservices that scale, powered by stateful message brokers.
- #2
Book of Monads
Alejandro Serrano MenaIn functional programming, at the heart of input/output, failure, state, logic, and much more, lies a powerful abstraction called monad. This book provides a journey from the very first concepts, to the myriad of monads available to programmers, down to the categorical foundations.
- #3
Functional Programming Made Easier
Charles ScalfaniA Functional Programming book from beginner to advanced without skipping a single step along the way.
In my 40 years of programming, I've felt that programming books always let me down, especially Functional Programming books. So, I wrote the book I wish I had 5 years ago.
Functional Programming will never be easy, but it can be easier.
- #4
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.
- #5
Practical FP in Scala: A hands-on approach
Gabriel VolpeA practical book aimed for those familiar with functional programming in Scala who are yet not confident about architecting an application from scratch.
Together, we will develop a purely functional application using the best libraries in the Cats ecosystem, while learning about design patterns and best practices.
- #6
Introducing EventStorming
Alberto BrandoliniThe deepest tutorial and explanation about EventStorming, straight from the inventor.
- #7
入門 日本語自然言語処理
Masato Hagiwara and Paul O'Leary McCann日本語テキストを処理したい全てのプログラマ・エンジニアの方へ。分かち書きなどの基本から、自然言語生成などの最新の話題までをカバー。動かして学べるコードや、参照文献も付いています。言語学や機械学習の知識が無くても問題ありません。
- #8
Stratospheric
Tom Hombergs, Björn Wilmsmann, and Philip RiecksFrom Zero to Production with Spring Boot and AWS. All you need to know to get a Spring Boot application into production with AWS. No previous AWS knowledge required.
Go to stratospheric.dev for a tour of the contents.
- #9
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.
- #10
Building Virtual Machine Labs: A Hands-on Guide (Second Edition)
Tony RobinsonThe premise of this book is to provide students a hands-on, go-to resource for building a secure, customizable lab environment in order to enable their own specific pursuits.
Top Bundles
- #1
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... - #2
Modern C++ Collection
3 Books
Get All about Modern C++C++ Standard Library, including C++20Concurrency with Modern C++, including C++20C++20Each book has about 200 complete code examples. Updates are included. When I update one of the books, you immediately get the updated bundle. You can expect significant updates to each new C++ standard (C++23, C++26, .. ) and also... - #3
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... - #4
The Indie Python Extravaganza
5 Books
The Indie Python Extravaganza! A collection of books that will help you to improve your knowledge of the Python programming language one page at a time. Join four indie authors in a journey from the basics of Python to the structure of production-ready systems, going through the core features of the language, some intermediate projects and a... - #6
All the Books of The Medical Futurist
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, digital health investments and how technology giants such as Amazon... - #7
Abandon Your Job - Leaving the Rat Race with Python
8 Books
Now, get all the great Python and Freelancing books from finxter.com in one single bundle!Coffee Break Python - All Python BasicsCoffee Break Python Workbook - Practice the basics of PythonCoffee Break Python Mastery Workouts - Practice advanced Python conceptsCoffee Break Python Slicing - All about SlicingCoffee Break Python NumPy - Get started... - #9
Pattern-Oriented Memory Forensics and Malware Detection
2 Books
This training bundle for security engineers and researchers, malware and memory forensics analysts includes two accelerated training courses for Windows memory dump analysis using WinDbg. It is also useful for technical support and escalation engineers who analyze memory dumps from complex software environments and need to check for possible...
