MP4GS Object Approach

MP4GS approaching and picking up an object based on two PING ultrasonic range finders. The first sensor on the base is used for initial approach. Once the arm is extended, the PING sensor on the arm is used to continue approach and pick up the object. Arduino Mega2560 uses: - PWM pins for servo arm control - GPIO pins for PING sensors - I2C protocol for communication with motor driver - Serial communication via Bluetooth to talk to the computer

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