Arduino is an open source platform for DIY electronics that can also take your coding to the next level. We have already covered plenty of STEM kits for it. The miniAuto is also worth a look. It is an Arduino UNO R3 robot with an expansion board that can follow lines, track colors, and face recognition.
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miniAuto: AI Vision Robot Car Based on Arduino
This fun robot has mecanum wheels, so it can move in any direction. You can add a mechanical gripper to move tiny objects. The miniAuto features WiFi video transmission. It has Bluetooth connectivity, so you can control it with your phone. It uses an ultrasonic sensor to detect obstacles.
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