Getting Adafruit Circuit Playground Express to respond to music

In a previous post, Adafruit Circuit Playground reacting to music (updated with simulator) using vibrations to change the RGB of pixels on the Circuit Playground Express was played with (it is too much fun to not). Here I am going to go even simpler, using the sound level directly, again using MakeCode.




The circuit playground includes a microphone so sound levels can be used directly, by using them to vary the RGB inputs and brightness of the pixel (see the code above). You can try the idea out on the simulator below; the circle bottom left can be used to simulate varying the sound level. 

Please feel free to alter the code and share; the code is available at https://makecode.com/_8UPY8oD54bmE










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

Webcam and Scratch

I have to admit I do enjoy playing with Scratch. I heard you can connect a webcam to Scratch and though there might be quite a lot of set-up. I was wrong, it is was very easy just one block really. So in this very short post, I share my (very simple) code. Getting Scratch the Cat to follow my finger left or right.





I am intrigued to see what else can be done.

Code is at https://scratch.mit.edu/projects/263334488/ 

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

Strictly Cube:Bit

In previous posts I looked at using the 4Tronix Cube:Bit with Python (http://bit.ly/2DcXcei) or Adafruit Circuit Playground with MakeCode (http://bit.ly/2T0ddcN) both used to make a 'Disco-Light' essentially reacting to vibrations from a speaker and therefore indirectly react to music.

In this post, a short experiment with the Cube:Bit combined with MakeCode is shown. First thing once you are in https://makecode.microbit.org/# is to add the MakeCode package for the Cube released by 4tronix; details on setting this up are at https://4tronix.co.uk/blog/?p=1770.

So the basic (and it is basic) idea in the code, is change one of the pixel/LEDs colour in response to the acceleration in the three axes, with each axis controlling either the amount of Red, Green or Blue in the LED's output. The colour is shifted one pixel along each time and the process repeats. The effect is run the colours through all the LEDs. The code is shown below:







One of the other things of found I quite enjoy doing with it; is putting the cube at different angles and see what colours are produced.


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