How long do the batteries last?
The LoRa communication model can drive with three alkaline N batteries.
The battery life depends on the value of Transmission Interval and Input Interval.
[ Reference range for battery consumption ]
|Transmission Interval||Input Interval||Battery life|
|1 hour ( 3600 sec )||
1 hour ( 3600000 msec )
|30 min ( 1800 sec )||30 min ( 1800000 msec )||6 months|
|1 min ( 60 sec )||1 min ( 60000 sec )||1 month|
* In case of frequent communicating, please supply power with USB.
Please don't use the AC adapter with USB PD ( USB Power Delivery ) when you supply power from the AC adapter.
[ How to confirm the battery charge ]
When the battery charge is 3V or under, a red icon appears on the upper left side of the widget.
Clicking on the icon and it says [ Uncertain ], its battery is low.