Tag Archives: robotics

Eye, Robot (Part One)

I’m toying with the idea of a robot that can interact with its environment by pattern recognition. I thought the way to do this was with a raspberry pi computer. So I bought the computer and the pi camera from … Continue reading

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The CRISP Revolution

Today I was thinking, “What are the fundamental technologies of the economy of the future?” And I came up with the following acronym: C – Computers. R – Robots. I – Internet. S – Solar (Power). P – (3D) Printers. … Continue reading

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Converting a micro servo to continuous rotation

Say you want to build a small robot, but you soon discover that DC motors move too fast and geared DC motors are too expensive. Then you hear about servos. Servos are basically geared DC motors, and microservos seem just … Continue reading

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From Scratch to Arduino Test Bed

In my last blog entry, I created a new graphical interface in Scratch for transmitting data to the microcontroller on the robot. Tonight I verified that the Scratch program is able to communicate via screen flashes with the Arduino test … Continue reading

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Grisbot screen interface for light track

You know, time just flies when I’m doing graphic design. I sure wish I was good at it. Anyhow, the above screen shows the graphical interface (in Scratch) for programming the robot in ‘light track’ mode. 0a: Specifies the distance … Continue reading

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Grisbot (S3) follows the light

Poor Little Grisbot S3, I misprogrammed it this morning and instead of going forward it went backward — and off the table onto the floor. Despite landing upside down, it worked all right once I unbent the photocell leads. Anyhow, … Continue reading

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Introducing Foambot

In my continuing quest to drive down the cost of grisbot, I’ve had to reconsider using acrylic. The material costs $3, and then on a good day the local hackerspace charges $18 to cut it. And then depending on the … Continue reading

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