Posts with «1 dc motor» label

Andrew - First robot

Primary image

What does it do?

Change direction when meet wall

Hi all! First robot ever, saying it's not great would be an euphemism, nevertheless I would be very glad to get some feedback from you.

How it works : two switches on the front, when it meets a wall, andrew goes backwards and turn, then turn the other direction and goes forward again (see video - about the video, sorry for the poor quality, I had to use a phone, I can post a better one next weekend)

Cost to build


Embedded video

Finished project



Time to build

15 hours



URL to more information


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