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Beaverhausen  > Art > Personal Robots
This is the journal of my robot building experience at home. I don't have many pictures of old projects but will keep this updated with any progress on the new bots.
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Beaverhausen > I built this entirely from scratch in 2002. This picture was taken before I put the arm on it. It originally was powered by 2 servos modified for continuous rotation but then was powered by 2 small gearmotors using a homemade H-bridge using relays then Darlington transistors. I wasn't very successful with the transistors so I went back to the relay based H-bridge which worked great but was jerky. The robot stood about 3 feet tall, had a soldered LED face and beeped for "personality", had 4 homemade bump sensors, a homemade line following infrared sensor, and 2 infrared collision detection sensors. It later had a single arm with a bucket connected to a servo. The bucket had an infrared sensor. It's name was Bob Dole. The main task this robot performed was to dump trash. It would wait on a black line next to the couch and begin a sequence when it detected something being placed into the bucket. At that point, it would follow the line until the front infrared sensor detected something (the trash can at the end of the line), stop, pivot the arm 180 degrees dumping the trash, retract the arm, turn 180 degrees and get back on the line, follow the line until it detected something in front of it (my end table next to the couch), turn 180 degrees and get back on the line, then sleep and wait for the bucket to be filled again. Bob Dole was parted out for a tank project I began working on but never finished. I still have some parts that will be used on one of the Lynxmotion bots now.
Beaverhausen > Schematic of Bob Dole robot using Parallax Basic Stamp 2 done by me in Visio.
Beaverhausen > After 4&#43; years of being out of the robotics hobby, I decided to get back into it to keep my mind sharp in electronics and programming. I have always loved Lynxmotion products and decided last time I built bots that if I ever got back into it, I'd at least start with a mobile base from a good company and concentrate on building circuitry and programming instead of trying to figure out how to machine metal parts in an apartment (although a lot can be done with a Dremel!). This is the Lynxmotion 4WD 3 with a BOE, Stamp 2, Parallax Ultrasonic sensor, and a Dimension Engineering Sabertooth 2x10 motor controller. This was the first day I had everything put together.
Beaverhausen > Here's the inside of the rover. I had to take it back apart to solder on some caps that I had lost during the initial build.
Beaverhausen > The bot looked way too short and I was already running out of room so I bought some extra decks and standoffs plus the super cool pan and tilt kit to give it a head.
Beaverhausen > Just another view from the back.
Beaverhausen > The 4WD 3 right before being stripped for electronics parts.
Beaverhausen > Wilmer still making sure he comes first.
Beaverhausen > Here it is with all 22 servos wired to the SSC-32.
Wilmer still making sure he comes first.
> Wilmer still making sure he comes first.
Wilmer still making sure he comes first.
Camera: Sony (Dsc-w5) |
More details: exif |
Original size: 2199px x 1689px |
Current: 391px x 300px |
Other sizes: Small • M • L • O • save photo |
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