Q1) Write a sketch in IDE for an ultrasonic reversing sensor mounted on a mobile robot driven by two stepper motors. The system will turn the stepper motors off whenever the distance read by the ultrasonic is less than 5 cm. Q2) Write a sketch in IDE that uses ultrasonic sensors to detect the presence of people inside the chamber before spraying alcohol. The chamber uses two ultrasonic sensors, as people has variable height, and a pump operated through relay. The task required that both sensors should be activated before operating the motor for 5 seconds spraying. Q3) Due to coronavirus, the number of people inside stores should be limited to a certain number. Write a sketch in IDE that uses two ultrasonic sensors to calculate the number people inside the store and present a message on the entrance door (use serial monitor here instead) if the number of people exceed a predefined threshold. The store has a separate entrance and exit doors.
Q1) Write a sketch in IDE for an ultrasonic reversing sensor mounted on a mobile robot driven by two stepper motors. The system will turn the stepper motors off whenever the distance read by the ultrasonic is less than 5 cm. Q2) Write a sketch in IDE that uses ultrasonic sensors to detect the presence of people inside the chamber before spraying alcohol. The chamber uses two ultrasonic sensors, as people has variable height, and a pump operated through relay. The task required that both sensors should be activated before operating the motor for 5 seconds spraying. Q3) Due to coronavirus, the number of people inside stores should be limited to a certain number. Write a sketch in IDE that uses two ultrasonic sensors to calculate the number people inside the store and present a message on the entrance door (use serial monitor here instead) if the number of people exceed a predefined threshold. The store has a separate entrance and exit doors.
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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