Does this come with soldering iron?

Does not come with soldering iron or solder. You do not need a fancy iron for this kit, just an inexpensive basic iron and good quality solder is all you need.

What tools and materials do you need to build this that are not included? thanks.

Thanks for your question. For better finish soldering the smart car kits, the basic tools and materials are soldering iron, solder wire, tweezers and scissors. If you have any needs, feel free to contact us:-D Thank you and have a nice day.

Where can I get another white gear? Soldering iron touched a gear and melted it.

Might be able to find another one on amazon or through the seller. count the teeth it has and measure the diameter of both the axle and the gear and you can probably search for one on here or google. hobby stores that sell rc cars might be able to help you out as well. or you can have someone 3d print you one.

Does it matter how the white leds height compared to sensor height? Do they get set flat on the board or how high off the board?

At first glance the bottom LEDs are white but in fact are red. They do sit flush with the bottom of the PCB and the height is controlled by the nut that holds the front off whatever surface you are running your car on.

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🤖 Build, Learn, and Lead the Race in STEM Innovation!

CUSTOMIZABLE RACEWAYS - Design unique courses using simple black electrical tape for endless creative challenges.
PRECISION LINE TRACKING - Automatically follows black tape paths with photoresistor sensors for flawless navigation.
HANDS ON STEM EXPERIENCE - Build and solder your own robot car to master electronics, mechanics, and sensor principles.
PERFECT EDUCATIONAL GIFT - Ideal for students and hobbyists to develop critical STEM skills at home or school.
BEGINNER FRIENDLY ASSEMBLY - Clear PCB labeling and step-by-step English manual make building accessible for all skill levels.

The MiOYOOW Line Following Robot Car Kit is a compact, lightweight educational robot designed for beginners to learn soldering, electronics, and sensor-based automation. Featuring photoresistor sensors for precise line tracking, it encourages hands-on STEM learning through easy assembly and customizable raceways, making it an ideal project for students and hobbyists aiming to develop practical technical skills.

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