The author reviews the Stelo CGM by Dexcom, praising its affordability and accessible data export. The device tracks glucose levels every 5 minutes and transmits the data to your phone via Bluetooth. The internals of the device are dissected, revealing details about the microcontroller and battery life. The author questions the lifetime of the battery and the function of certain chips within the device. They express interest in the cost breakdown of the components but acknowledge the complexity of estimating the total cost. The author concludes by suggesting that the device could potentially be powered by energy harvesting, offering a novel perspective on continuous glucose monitoring.
https://andykong.org/blog/cgmteardown1