How to build ECG & EEG devices from single electronics components & InfluxDB by ourselves & visualize sensor data in Grafana?

«How to Visualize Apple Health data in Home Assistant Starting from the instruction «How to Visualize Apple Health data in Home Assistant: Tutorial by Udo Berndt on the YouTube channel smart-live.net» For users who do not speak German, here is the written transcription of the tutorial which can easily translated by Google Translate: We can …