Ultrasonic Distance SensorComponents Required: Raspberry Pi 3 B+ SD Card Micro USB Cable with Adapter Monitor with HDMI cable Mouse and Keyboard Breadboard 4 Jumpers 2 , 330ohm resistors Ultrasonic Distance Sensor...
PIR Person Detector
The right potentiometer controls sensitivity and the left potentiometer controls the timeout.
Here, we set both the sensitivity and timeout at their lowest (anti-clockwise). It is advised to keep the timeout as low as possible and just change the sensitivity depending on the range required.