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Reverse engineering Solos smart glasses
Posted 2025/8/28 Reverse engineering Solos smart glasses First and foremost: If you’ve got any documentation on this hardware, please contact me! I would love to read the actual specs for this protocol. Background Before the audio-only AI-based smart glasses of today, we’d periodically see companies announcing smart glasses with displays, usually to small fanfare and little success.
I guessed that the glasses probably didn’t run a lot of software on-board but instead received bitmaps or vector graphics from the smartphone app via Bluetooth. All zeroes means start at the top-left, but it seems that the app likes to draw a status bar w/ time and battery level at the top, then refresh a smaller box lower down to show the gauges. After some experimentation, I came up with the following Python script, which will read any number of 428x240 image files (specified as command line arguments), RLE-encode them, and ship to the device with a 2 second pause between each:
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