The Chrome browser supports WebSerial - that means you can get serial port data fast and easy into a webbrowser - easier than WebUSB! So of course Melissa whipped up a great little plotter/monitor that you can use to display incoming data from an Arduino, Circuitpython, whatever microcontroller! Works great, we're still working on features and performance but you can try sending it CSV data here: https://adafruit-webserial-plotter.glitch.me/
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