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Adding more features and improving its speed in (screen, SPI) and adding more and useful commands. I'm currently working with esp idf, but I'm primarily a javascript developer. I like to design mostly with javascript, but esp idf is great too.

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With esp idf I wrote code that is really fast on STXXXX and ILIXXXX series displays and works perfectly with 16-bit RGB colors without slowing down. I want to add these features to Espruino.