which connects the Adafruit Clue or Feather sense to Sott Hardens Sound Card ECG:
https://youtu.be/sP_-f5nsOEo
over the Bluetooth LE Sensor Nodes to Raspberry Pi WiFi Bridge:
https://learn.adafruit.com/bluetooth-le ... ifi-bridge
to Adafruit IO:
https://learn.adafruit.com/welcome-to-a ... dafruit-io
Scott Hardens Sound Card ECG is great. But I miss a wireless connection to Adafruit IO. Such an example could open the door to use the cirucuit for biomedical research, as shown here in an example of an ambulatory ECG Data Acquisition with BITalino:
https://youtu.be/lKWM2TL1toM