it is already open sourced, https://github.com/shannietron/decorrelation_stretch
715 karma · joined January 11, 2012
This likely why the sensor life is advertised as ~12-15 days:
"*Sensor Survival Clarifying Statement: A study was conducted to assess the sensor life where 77.9% of sensors lasted the full 15 days. In other words, when using the product per the package labeling, approximately 20% of sensors may not last for the full 15 days, 10% of these sensors may last less than 12 days."
https://www.stelo.com/faqs/using-stelo/how-long-can-i-wear-m...