Emergency System for the Elderly Based on Sound Sensor with Telegram Bot Notification and Voice Alarm

Abstract

According to data from the Central Statistics Agency, in 2022, the percentage of the elderly population in Indonesia is 10.48%. In emergencies, such as accidents or sudden illness, the elderly often find it difficult to ask for help because of the physical and cognitive limitations they experience. The recommended distance to perform voice commands is 5cm. Testing of sound sensors performed by children's age was unsuccessful. The system can be used in occasional conditions such as pressing the panic button and giving voice commands, can last 1 hour 25 minutes up to a threshold of 20% in a voltage of 6.49V until the battery runs out the system can be used for 1 hour 36 minutes, while in idle conditions the system can be used for 1 hour 28 minutes to a threshold of 20% in a voltage of 6,49V until the battery runs out at a voltage of 611V the system can be used for 1 hour 38 minutes. Connecting the prototype with telegram as a remote notification shows that the system successfully sent messages to telegram 100% in real-time. A full battery charge of 7,11V and the battery threshold of 20% discharge at 6,49V for a completely discharged battery at 6,11V.