Hello! Does anyone know what the low voltage cuff-off is for the 1.2.0 AudioMoth devices when using lithium batteries? Also, what is the daily energy consumption when the device is in standby mode (waiting for a custom recording schedule to start)? Thank you!
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If you’re using a custom recording schedule, the power consumption might vary slightly based on how frequently the device wakes up. geometry dash
Standby consumption is about 2.4mAh per day - about 100uA background consumption to flash the LED.
The low-voltage cutoff is implemented by tracking the actual supply voltage to the micro-controller. When this drops below 2.8V the recording will be stopped. This is related to the battery voltage but is more directly relevant. With Li-ion batteries it will generally stop recording when the batteries reach about 3.3V by which time they are pretty much completely discharged.
The biggest source of uncertainty in the estimated energy consumption is the SD card that is used. The Config App calculates consumption based on values for a 32GB SanDisk Extreme card. Other cards can have significantly greater energy consumption - https://www.openacousticdevices.info/sd-card-guide.