• Introduction of module

• 2.1 Vibration
• 2.2 Smart vibrating alarm clock
• 2.3 Vibration detector

• 3.1 Vibration
• 3.2 Smart vibrating alarm clock
• 3.3 Vibration detector

• 4.1 Vibration
• 4.2 Smart vibrating alarm clock
• 4.3 Vibration detector