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1. Two pairs of light-emitting diodes and light-sensitive circuits are used as sensors.
2. Using photoresistor device, high sensitivity and stable performance.
3. DC motor with gear reduction, easy to control.
4. Complete smart tracking line car kit, easy to install.
5. During the assembly process, you can not only be familiar with the mechanical principles, but also gradually learn related electronic knowledge such as photoelectric sensors, voltage comparators, motor drive circuits, etc.
6. Widely used in experiment, industry, school, electronic DIY, robot, remote control car, etc.
7. Excluding batteries.
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