Author Archives: Andrew

The Wolfson Sound Card Noise Gate and 24 bit Data

Recently I did some measurements on the Wolfson card to get an idea of the dynamic range. When playing a 24bit file @ -100dBfs there was no output from the card. This was perplexing, as the noise floor is some … Continue reading

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Improving PSU filtering on the Wolfson Raspberry Pi Sound Card

I’ve been thinking about elegant ways to improve the PSU filtering of the Wolfson card and to ensure that any switching noise from the relatively noisy power supplies Raspberry Pi’s are usually used with is effectively¬†filtered. There’s plenty of possible … Continue reading

Posted in Engineering, Music, Streaming | 6 Comments

BBC micro:bit Modified tilt sensor in Python

This is a modified version of the previous tilt sensor application, this one tidies the code a little for readability, adding more comments and adds the ability to adjust the sensitivity. Enjoy!  

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