10 Top posts on Robot and Physical Computing Blog - August 2020

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  Spooky Hot-Cross Buns - Sonic Pi

  In a previous post on another blog I discussed quick play with Sonic Pi ( see  https://computingnorthampton.blogspot.com/2020/08/quick-play-...
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  PS3 Controller to move a USB Robot Arm

  Guest Blogger Hiren Mistry, Nuffield Research Placement Student working at the University of Northampton. How to use a PS3 Controller to...
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  10 most read post (July 2020) on Robots and Physical Computing Blog

  Popular Posts Speech Recognition in Scratch 3 - turning Hello into Bonjour! The Raspberry Pi Foundation recently released a programming acti...
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  Speech Recognition in Scratch 3 - turning Hello into Bonjour!

  The Raspberry Pi Foundation recently released a programming activity Alien Language , with support Dale from Machine Learning for Kids , tha...
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  Nuffield Foundation Researcher Placement Project: Further Development of Junkbots

  New blog  https://junkbotactivities.blogspot.com/  by  Muhammad Vadia on the Nuffield Foundation Researcher Placement Program has been worki...
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  Build your own Neuron in a Spreadsheet.

  Purpose:  To start to understand the basic idea behind how a Neural Network works by building the most basic unit a simple neuron using a sp...
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  WebVR 5 Playtime: Augmented Reality to display Videos

  In previous posts ( post 1 , post 2 ) I have raved over the brilliant combination of Mozilla's AFrame and Jerome Etienne's fantastic...
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  Raspberry Pi gesture controlled Minecraft X-Wing (revisited)

  figure 1 This post builds on two earlier posts and tries to address some of the very useful comments from people who have tried this. I ...
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  Microbit Remote Control CBiS Car

  I wanted to contol the CBiS micro:Bit Car via gestures whilst holding another micro:Bit (see Figure 1) I went for: - Button A in combinat...
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  Dancing Kitronik's Game Zap - reacts to music

  You will glad to hear this is only a short post.   In an earlier post, Build a Disco Cube:bit that reacts to music ; the vibrations of music...

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All opinions in this blog are the Author's and should not in any way be seen as reflecting the views of any organisation the Author has any association with. Twitter @scottturneruon

Nuffield Foundation Researcher Placement Project: Further Development of Junkbots

New blog https://junkbotactivities.blogspot.com/ by Muhammad Vadia on the Nuffield Foundation Researcher Placement Program has been working on developing a series of activities for the Junkbots project. These activities focus on using Scratch to develop coding skills by building up a simulation of the junkbot.

These can be found at:

What are Junkbots & intro to Scratch : https://junkbotactivities.blogspot.com/2020/08/junkbots-introduction.html

Activity 2 - Learning some new concepts: https://junkbotactivities.blogspot.com/2020/08/junkbots-computational-concepts.html

Junkbots - Understanding Scratch  https://junkbotactivities.blogspot.com/2020/08/junkbots-understanding-scratch.html

Junkbots - Creating a sprite https://junkbotactivities.blogspot.com/2020/08/junkbots-creating-sprite.html

Junkbots - Moving the bot https://junkbotactivities.blogspot.com/2020/08/junkbots-moving-bot.html

Junkbots - Spawning some rocks https://junkbotactivities.blogspot.com/2020/08/junkbots-spawning-some-rocks.html

Junkbots - Scoring https://junkbotactivities.blogspot.com/2020/08/junkbots-scoring.html

Junkbots - Conclusion https://junkbotactivities.blogspot.com/2020/08/junkbots-conclusion.html

All opinions in this blog are the Author's and should not in any way be seen as reflecting the views of any organisation the Author has any association with. Twitter @scottturneruon

Spooky Hot-Cross Buns - Sonic Pi

In a previous post on another blog I discussed quick play with Sonic Pi ( see https://computingnorthampton.blogspot.com/2020/08/quick-play-with-sonic-pi.html ). In this post I am really just going to take it a bit further and some new features.

The goal - spooky/moanful Hot-Cross Buns (the only bit of music I know the notes for), just so I can play a bit. So let us start with resources I have found useful, alongside Sonic Pi (https://sonic-pi.net/); a really useful webpage is https://newt.phys.unsw.edu.au/jw/notes.html to turn the notes into the MIDI number (60, etc) 

So by the end of the last post I going to adding a techno effect on top of the tune:

use_synth :prophet

with_fx :ixi_techno do

  2.times do

    play chord(:b4, :minor7)

    sleep 0.5

    play chord(:a4, :minor7)

    sleep 0.5

    play chord(:g4, :minor7)

    sleep 0.5

  end

  4.times do

    play chord(:g4, :minor7)

    sleep 0.25

  end

  4.times do

    play chord(:a4, :minor7)

    sleep 0.25

  end

  play chord(:b4, :minor7)

  sleep 0.5

  play chord(:a4, :minor7)

  sleep 0.5

  play chord(:g4, :minor7)

  sleep 0.5

end

Sonic Pi is a cool system I found out you get it to pan the sounds from left to right and played with that but didn't include it in the end. What I did change was a different synth but also samples, after trail-and-error, chose the ambi_dark_whoosh (had to with that name)

use_synth :tech_saws

sample :ambi_dark_woosh, amp: 0.25

with_fx :ixi_techno do

  2.times do

    play chord(:b3, :minor7)

    sleep 0.5

    play chord(:a3, :minor7)

    sleep 0.5

    play chord(:g3, :minor7)

    sleep 0.5

  end

  sample :ambi_dark_woosh, amp: 0.25

  4.times do

    play chord(:g3, :minor7)

    sleep 0.25

  end

  4.times do

    play chord(:a3, :minor7)

    sleep 0.25

  end

  sample :ambi_dark_woosh, amp: 0.25

  play chord(:b3, :minor7)

  sleep 0.5

  play chord(:a3, :minor7)

  sleep 0.5

  play chord(:g3, :minor7)

  sleep 0.5

end

This is a bit of software (and support on Patreon) it is just fun and free. I have no musical ability but I enjoy creating with it.

All opinions in this blog are the Author's and should not in any way be seen as reflecting the views of any organisation the Author has any association with. Twitter @scottturneruon