I’ve been looking for a good serial monitor for mac for a long time, especially one with a serial plotter as well. There are a few good serial monitors for windows but they don’t have plotters. For the past few years I’ve just been using the builtin serial monitor in vscode, but recently I was missing the plotter again, and now that ai code tools are a thing it’s really easy to make simple programs like this that actually look good.


serial monitor


There are multiple things that make this serial plotter special:

  • Automatic stream parsing, which means that separate datastreams can be separated (available for monitor and for plotter)
  • Multiple plot types, like realtime fft, xy, and bargraphs
    • All the plots can be paused, and you can zoom in on stuff to view individual coordinates
  • Stores repetitive commands for if your device has multiple inputs for configuration
    • These can be sent in order, and you can add your own delays between groups of packets
  • Realtime memory viewer, so you can make sure you’re not using all your ram
  • A ton of shortcuts, so you never need to actually click
  • Sent commands history panel
  • It’s really fast (never lags)
  • Cool color theme with dark / light

This is basically everything I ever wanted in a serial monitor / plotter and is the culmination of hours of frustration looking for a good one online. Here’s a video demo showing off a bunch of features:

Give it a try! Still haven’t actually tested it with much, so any feedback would be great.