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ESP32: leaving love notes and entering demoscene territory (2022)


I’ve been tinkering with arduino-like platforms recently (more on the midi synth soon) and got the idea to make a small message board to leave notes to my girlfriend. This is how I ended up with a simulator, an integration with a demoscene tracker, custom tools to make palette cycling effects, having to learn CAD to make a laser-cut front panel and more.

I’ve been tinkering with arduino-like platforms recently (more on the midi synth soon) and got the idea to make a small message board to leave notes to my girlfriend. Holding a ‘secret’ capacitive button starts a small web server with a primitive form to change the message. I used AssemblyScript, which is basically typescript-to-wasm, to output a web assembly binary, that would get ’curl’ed to the web-server, giving me hot-reloading on save.

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