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Final Project for Physics 271 - belt attachment that aids the visually impaired by utilizing arduino, ultrasonic sensors, and a vibrating motor to provide the user with feedback on the distance from objects.
The monitoring system collects temperature, moisture and gas values around the mine, and then transmits the data through wireless underground sensor network.
VibrationShockMonitor Arduino - Continuously sample a piezo vibration sensor and a 6-axis MPU-6050 accelerometer. • Vibration event: piezo voltage > threshold → check accelerometer. • Shock event: acceleration magnitude > threshold → package event data and send via LoRaWAN. • LoRaWAN: ABP (Activation By Personalization) on 868 MHz (EU). • Status LE