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Espruino is a JavaScript interpreter for low-power Microcontrollers. This site is both a support community for Espruino and a place to share what you are working on.
@jeffmer
Thanks, that is really neat. I will try to compare the performance with my driver which uses drawImage. I suspect the performance of drawImage implemented on top of single pixel operations will not be great.
I still think it would be generally useful to be able to write parts of flat buffers to SPI .