Explorer HAT tricks
Explorer HAT tricks
fun things to try with your Pimoroni Explorer HAT
About the 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
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