TECHIN 514 Final Project

Children's Safety Habit Builder

Freya Yu 2372732

Overview

• The project includes wearable sensors paired with a fixed-spot sensor to detect distance between children's hand and dangerous place, using light and sound to trigger children's discomfort to caltivate children's habit to not touch dangerous places.
• Targeted children age: 1-2 year old

Above is a general sketch of the project, highlighting the physical features.

Sensor Device

The sensor system contains one wearable sensor paired with multiple fixed-spot sensors around home environemnt to detect distance between children's hand and dangerous place.

• Clip form to easy attach to children's clothes
• in pair with the embedded sensor on display device (multiple location)
• possible selections: ToF sensor OPT3101, RF sensor RF430FRL15xH
• processor: XIAO ESP32S3

Above: Detailed Sensor Device Sketch

Display Device

The purpose of display design is to use beeping sound and red led blinking to make children (under 2 years) uncomfortable and quit action

• gauge indicating the extent of danger
• turn off switch button
• warning leds
• embedded speaker
• Battery: Chargeable battery, button or AAA size

Above: Detailed Display Device Sketch.

Communication and Diagram

System Architetcure Diagram