Wednesday 23 December 2020

10 top read posts on Robots and Physical Computing blog in 2020

microbit and neopixel cube reacting to 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

Friday 11 December 2020

Cube and microbit reacting to music


In a previous post - 'Dancing' Snowman - ok flashing LEDs to music - I played with Microbit V2 with its built-in microphone in combination with a Ryan Walmsley's SnowPi RGB https://www.kickstarter.com/projects/ryanwalmsley/snowpi-rgb-edition to make a Snowman that reacts to music.

In this post, the aim is to show the idea been extended to a Cube of programmable LEDs the 4tronix's Cube:Bit. Essentially the process is the same as the previous post the microphone detects the sound level and cause an LED to light up. 

Only a few minor changes were made to the code from the previous example.
- The Pin had to be changed from 2 to 0 in the code (see Figure 1);
- Increase the number of pixels/LEDs in the settings (see Figure 1);
- It no longer chooses random LEDs/pixels to light up; but alters the first one and shifts the result to the result to the next one - so the lights shifts through the LEDs (see figure 2);
- Add in when it is quiet set the first LED to set a value and shift along (see figure 2)

 


Figure 1.




Figure 2


The code used is available at https://makecode.microbit.org/_3pT6zaRgy8T5 please feel to play and adapted and share your improvements.


The video below shows it in action:









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

ChatGPT, Data Scientist - fitting it a bit

This is a second post about using ChatGPT to do some data analysis. In the first looked at using it to some basic statistics  https://robots...