Raker bot

Raker bot is a rake for RC vehicles.

It is attached like a goose neck trailer.

I made this because I thought it would be fun to rake leaves while sitting down.

This is a close up of Raker bot.

Two motors move the rear axle up and down, raising and lowering the rake. 

This is a movie of the wheels lifting and lowering.

These are movies of Raker bot raking leaves.

The Monday morning QB take

The Eagles are 6-5 with their last win at home (the first win at home for the Eagles in 400 days) against the Redskins who lost the second game to the Eagles 24-16 the Redskins scoring all of their points in the fourth quarter. The Eagles win at Green Bay 27-13 I do believe that the Eagles would not have won the game if the Packers had had Aaron Rodgers out on the field. The replacement QB Seneca Wallace hurt himself running away from the Eagles men. The next QB Scott Tolzien managed to get the Packers down the field then throws an INT. it was hard, but I think that it was just as hard to win against the Redskins with RGIII.  The Eagles are a great team, but if the Chiefs 9-1 (who won the meeting against the Eagles) met the Eagles again the Eagles might win.

Dom

Horse-Bot

Horse-Bot was supposed to be a robotic horse with a rider but it looks more like a camel with rider.

This is the back of Horse-Bot.

This is Horse-Bot's head.

This is the rider.

This is a view of Horse-Bot's side.

This is a movie of Horse-Bot walking.

Morse Code Machine

Morse Code Machine is a robot that plays a tone when one of the two touch sensors is pressed.

This is Morse Code Machine with it's touch sensor's attached.

This is Morse Code Machine with it's touch sensor's detached.

The touch sensor's can be up to 42 inches apart.

How Morse Code Machine works:

When the touch sensor is pressed the NXT computer plays a tone until the touch sensor is released.

Remote Control Crane

Remote Control Crane is another robot that I made from instructions in a book called 

CRANE LEGO NXT (LEGO NXT building & programming guide)

By Jan Dolata and Aleksander Gruszcynski.

Remote Control Crane can lift up to 3oz and spins on a turn table.

This is a side view of Remote Control Crane.

This is what Remote Control Crane does when it picks up a heavy object.

This is Remote Control Crane's remote.

Remote Control Crane's remote uses 2 sensors.

One of them is the rotation sensor that is a part of the motor.

It reads which direction and how many degrees the motor has been rotated.

The other is the touch sensor.

When the touch sensor is pressed and the motor turns the reading (Direction and rotation) is sent to the  motor operating the boom.

When the touch sensor is not pressed and the motor turns the reading (Direction and rotation) is sent to the  motor that turns Remote Control Crane.

This is the gripping mechanism.

This is Remote Control Crane's lifting mechanism.

This is Remote Control Crane's turntable.

This is an audio recording of Remote Control Crane's engine running.

In order to have an engine I recorded a 460 horse power engine turning on, revving up, staying revved up, revving down, and turning off. 

How the engine works:

First Remote Control Crane plays turning on then it plays revving up then it plays staying revved up until the orange button on the NXT is pressed then it plays revving down and then it plays turning off.

This is a movie of Remote Control Crane picking up a basket with three batteries in it.

Sir Pulls-a-lot

Sir Pulls-a-lot is a robotic semi truck that operates using

four touch sensors,

                           two for steering, and two for driving

This is a top view of Sir Pulls-a-lot.

This is rear view of Sir Pulls-a-lot.

This is front view of Sir Pulls-a-lot.

 This is Sir Pulls-a-lot with an unloaded trailer.

This is Sir Pulls-a-lot with a loaded trailer.

Sir Pulls-a-lot uses an Archimedes screw turning a small

gear to drive. 

How I control Sir Pulls-a-lot's driving.

How I control Sir Pulls-a-lot's steering.

Sir Pulls-a-lot's transmission.

This is Sir Pulls-a-lot's axle transmission.

This is how Sir Pulls-a-lot steers

This is a closer picture of Sir Pulls-a-lot's steering system.

This is a movie of Sir Pulls-a-lot moving at full speed.

This is a movie of Sir Pulls-a-lot's steering.

Skid-bot

Skid-bot is a robot based on a skid-steer.

It lifts the boom with yarn,

Drives with treads,

       And moves the implement with an Archimedes screw.


      Close up of implement holder and Archimedes screw.

Close up of yarn motor.

(Yellow wheel)

This is the bucket implement.

Rear view of Skid-bot.

This is how it works.

This is a movie of the boom working.

This is a movie of the Skid-bot with a fork attachment moving a palette with tires on it. 

This is a movie of the Skid-bot hooking up to a bucket implement.

Ai crane

Ai crane is a motorized crane that can be controlled with buttons or can drive around and avoid walls by using the ultra sonic sensor.

It is 20” long 6” wide it is 9.5” tall  when the boom is down, when the boom  is up it is 16.5”.

It has 8 wheels 4 in the back and 4 in the front.

                                                              This is the chassis.

Wires, front and fenders added.

This crane lifts objects with a piece of thread that is strung through the holes in the LEGO pieces.

The thread is attached to a separate motor, switch and power supply.

                                                                  How it works:

This robot has two programs, the first one uses a color sensor to decide if there is a green ball in front of the sensor if there is then the left and right button on the NXT device move the boom up and down if there is not a green ball than it uses two touch sensors to move the vehicle forward and backward and the left and right buttons on the NXT to steer the 4 front tires.

This is what the crane looks like from a LEGO person point of view.

This is a movie of Ai crane avoiding walls.

This is a movie of Ai crane picking up a package.

Here is a pole. 

Which way dose the piece with the arrow pointing to it look better?

                           Cast your vote in the form of a comment.

                                              

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