PROJECT 20: SENTRY GUN
A SENTRY GUN IS AN UNMANNED WEAPON CAPABLE OF AUTONOMOUSLY SENSING AND FIRING UPON ENEMY TARGETS USING ULTRASONIC DETECTION. IN THIS PROJECT, WE’LL CREATE A MINIATURE VERSION OF THIS GUN.
PARTS REQUIRED
• Arduino board
• Mini breadboard
• Jumper wires
• Male-to-male jumper wires
• Four-pin HC-SR04 ultrasonic sensor
• WLToys RC V959 missile launcher
• Tower Pro SG90 9g servomotor
LIBRARIES REQUIRED
• Servo
• NewPing
HOW IT WORKS
We’ll attach the toy missile launcher and the ultrasonic sensor to a servo arm (see Figure ...
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