Environmental logging [temperature, humidity, pressure, light]
Environmental data can be logged by attaching different sensors to the microSoundRecorder. At the moment there is support for the following sensors:
BME280: temperature, humidity, pressure [4,- EURO] https://www.ebay.de/itm/322667108319
BME 280: Vin = 3.3V, GND = GND, SCL = SCL pin 19, SDA = SDA pin 18, I2C adress: 0x76
BH1750: Vcc = 3.3V, GND = GND, SCL = SCL pin 19, SDA = SDA pin 18, I2C adress: 0x23
The environmental data measurements are written onto the SD card into a separate txt.-file that can be read with any spread sheet software.
The frequency with which the environmental data is read and written to the SD card, is set in: Audio_hibernate.h --> line 161
#define ShortSleepDuration 10 // every ten seconds the Teensy wakes up and records environmental data