From there, we can try to stream sensor data to Home Assistant and InfluxDB. Thingspeak and internet are not necessary. There are many temperature and humidity sensors which can be connected directly to Home Assistant. Physiological sensors like EEG sensors, ECG sensors or Open Source Pulse Sensors: https://docs.openbci.com/ThirdParty/Pulse_Sensor/Pulse_Sensor_Landing/ can be connected to OpenBCI boards and …