Aim
The goal of this activity is to address this problem and demonstrate a solution. The solution is a Smart Fan! .
Materials Required
- Raspberry Pi 4 B -1
- L293D Motor Driver-1
- Ultrasonic Distance Sensor-1
- DC Motors – 1
- Breadboard – 1
- Lithium Batteries -2
- Propeller Blade – 1
- Several Jumper Wires
- Type-C USB Cable-1
Wiring Diagram
Desired Outcome
The Smart Fan system activates when it detects a person in front of it through an ultrasonic sensor connected to an Arduino and motor driver. It deactivates when no person is detected in its path.