Echo - > GPIO24 (pin18) Echo pin for Ultrasonic sensor HC-SR04 Connection. Trig -> GPIO23 (pin16) Trigger pin for Ultrasonic sensor HC-SR04 Connection.
Description: This project simulates an entry and exit system of an urbanization that can grant access when the PIR detects a person. This system will be simulated using a PIR sensor, an HC-SR04, a ...
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