AQE: Enhanced RGB User Feedback

Over the weekend I worked on making the color expressions of the Air Quality Egg more… well, expressive. The update is on Git-Hub so feel free to update your software (howto videos) for the Remote and Base units. This is the 1.03 version of both baselines (version number gets printed to the serial console).

As the Eggs have been reaching their destinations, feedback from users indicated that the setup process had some significant holes in diagnostic feedback. The most important of these was that the outcome of the pairing interval was invisible to the end user; the only way you knew that pairing succeeded was that the system started working a couple minutes later. If the system didn’t start working, you were left scratching your head and trying again. So I added an acknowledgement to the pairing behavior, and now there’s clear feedback about the outcome of the pairing interval: after the yellow pulses that signify pairing in progress, three magenta blinks indicate “pairing was not acknowledged” and three cyan (light blue) blinks indicate “pairing was acknowledged.”

The second feedback notable feedback confusion was related to Cosm provisioning. The previous behavior was to indicate solid green when provisioning succeeded, but *only the first time* after that you would never see green again. So now, if provisioning has previously succeeded, you get three green blinks.

In summary, the colors the Egg expresses now come in three “flavors”:

  • Pulsing colors are used to indicate normal activity and progress (I know some people find this annoying, but I’m erring on the side of more feedback)
  • Blinking colors are used to signify status
  • Solid colors are used to indicate conditions that result in a restart
  • Blinking/Solid green, blue, and cyan are used as “positive” indicators
  • Blinking/Solid red and magenta are used as “negative” indicators

The following flowchart describes the feedback behavior of the 1.03 baseline.

Egg Color Patterns

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