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Programmable IO (PIO) for MIDI with the Rasberry Pi Pico

I recently read a few posts on https://diyelectromusic.wordpress.com/ about using the Raspberry Pi Pico to interface with synthesizers over MIDI. The Pico is an interesting beast and I was curious how far it can be pushed - how many devices can a Pico control at once? It turns out that it is possible to create a MIDI thru device of up to 25 outputs with PIO doing most of the heavy liftingleaving the main CPUs to handle program logic (and perhaps USB / WiFi / Bluetooth / etc).

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Introducing JUnit JSON Params

Yesterday, I released junit-json-params, a small java library built on JUnit 5 that enables parameterizing unit tests with inline JSON and JSON resource files.

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Installing .NET Core on OSX

Note: this post contains outdated instructions for a problem that occurred installing .NET core on OSX in 2016. https://github.com/dotnet/sdk/issues/4600 suggests that you can now install dotnet core on macOS by running brew install dotnet. The instructions at https://learn.microsoft.com/en-us/dotnet/core/install/macos are also worth reading rather than this post.

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My Geek Origin Story

Like many a software engineer does again and again, I’m restarting my blog. This time I’m going to kick this iteration off with an idea inspired by Michael Kordahi (@delicateGenius) many years ago for Tech.Ed 2011, the Geek Origin Story.

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