simple_pulseox_logger

arduino pulseox logger. this could be used overnight to capture sleep apnea events

Using:

• SparkFun Pulse Oximeter and Heart Rate Monitor
• QT PY (Cortex M0+) -> Feather express M0
• SSD1306 display
• DS3231 rtc (works without, non logging)
• SD card (works without, non logging)

NOTE! the sparkfun pulse ox library seems to be incompatible with the popular U8g2 library