Raspberry Pi Pico Synth_Dexed? – Part 6

One last thing I definitely wanted for my PicoDexed was the option for PWM output. This post is by way of a short coda detailing how to do PWM on a Raspberry Pi Pico. Part 1: Building Synth_Dexed for the Pico. Part 2: Assessing the performance and analysis of the Pico audio library. Part 3: … Continue reading Raspberry Pi Pico Synth_Dexed? – Part 6 →

Raspberry Pi Pico Synth_Dexed? – Part 5

Ok, ignore my last comment about Part 4 being my last post on this topic. I thought I ought to pull together all the hardware notes on how to build one as I haven't really written that down anywhere. So this shows the connections required between the Pico, I2S DAC and MIDI IN. Part 1: … Continue reading Raspberry Pi Pico Synth_Dexed? – Part 5 →

Raspberry Pi Pico Synth_Dexed? – Part 4

I was going to leave things at Part 3 blog-wise, and just get on with filling in the gaps in code now, but I've come back to add a few more notes. But this is likely to be the final part now. Recall so far, I have: Part 1 where I work out how to … Continue reading Raspberry Pi Pico Synth_Dexed? – Part 4 →

Raspberry Pi Pico Synth_Dexed? – Part 3

The story so far... In Part 1 I work out how to build Synth_Dexed using the Pico SDK and get some sounds coming out. In Part 2 I take a detailed look at the performance with a diversion into the workings of the pico_audio library and floating point maths on the pico, on the way. … Continue reading Raspberry Pi Pico Synth_Dexed? – Part 3 →