Changed the level stage display of the battery in the Nordic chip.
AKOiHeart sees baby.
1. Breathing detection: If the baby does not move, it will be alarmed to prevent danger.
2. Rollover Detection: When your baby turns up, it will alert you to your smartphone to protect you from danger.
3. Diaper Detection: Alarms your smartphone to change your diaper by sensing the baby's urine.
