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Pi Robot: What Do You Think?

dexterindustries over 12 years ago

We prototyped up a Raspberry Pi Robot we're thinking about working on. What do you think?

What do you think a Pi Robot absolutely needs? We were thinking we need to add encoders, and maybe line-following sensors. Anything else?

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Former Member over 12 years ago

A forward looking proximity sensor would be great. It could detect how near it was to objects and avoid collisions. It could then change direction.
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Former Member over 12 years ago

A forward looking proximity sensor would be great. It could detect how near it was to objects and avoid collisions. It could then change direction.
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rincewind1 over 12 years ago in reply to Former Member

Ultra sonic range finders are relatively cheap (for arduino anyway)
I built arduino obstacle avoidance car using one, don't know if would work on pi though
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rincewind1 over 12 years ago in reply to Former Member

Should have said look on eBay at IWM rocket robot avoidance car kit (he's nothing to do with me I just bought one and it works)
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Former Member over 12 years ago in reply to rincewind1

Regarding battery consumption, you power challenges will go well beyond what the Pi need. A major challenge will be the drive train. In order to have manuverablility, I think you will need separate motors for each wheel. For motors that are strong enough, yet battery operated, I am thinking they will have to be at least 12vdc. To get any reasonable length of operation, especially for competition, the battery pack will be heavy. Of course, added weight means more power required and more power consumption. So our weight-to-power ratio becomes critical. Fortunately, the Pi itself and the various sensors are light.
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