This project use ultrasonic sensor HC-SR04 to detect object by scanning with help of servo motor SG90, then showing data as RADAR system by Visual Studio C++/CLI
Full code + instruction: https://www.engineer2you.com/2018/12/...
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Hardware need:
1. Arduino Pro Mini https://amzn.to/2xy4yFn
2. Ultrasonic sensor HC-SR04 https://amzn.to/2rRrRa5
3. Servo motor SG90 https://amzn.to/2BAwQQM