OK, went looking for app notes, Microchip has a couple of sites to browse .= ... http://www.microchip.com/design-centers/medical/applications/wearable-activ= ity-monitors?iesrc=3Dctr has design files for various wearable activity monitor devices. http://www.microchip.com/design-centers/medical lists a whole heap of other= applications, glucose meter, pulse oximeter, digital thermometer, etc. ST has a number of applications as well ... http://www.st.com/en/applications/medical-and-healthcare.html and click the= + by the Portable and Telehealth Monitoring on the right hand side, also g= ives glucose monitoring, blood pressure and digital thermometer. Analog devices has a section on healthcare ... http://www.analog.com/en/applications/markets/healthcare.html looks like it= would be worth browsing. Maxim has a healthcare section ... https://www.maximintegrated.com/en/markets/healthcare.html includes wearabl= es and diagnostic/therapy sections. NXP seems to have kept away from medical things. On Semi have some medical applications including portable medical devices .= ... http://www.onsemi.com/PowerSolutions/content.do?id=3D16602 TI have a wide range of medical things, the bits of interest are probably a= ll under 'Home healthcare' (includes blood monitoring, thermometry & CPAP). http://www.ti.com/applications/industrial/medical/overview.html I think that is about it from the links I have saved. --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .