For Teachers
Here are a couple of resources for the classroom to make learning with the LittleArm easier.
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The Training Sheet provides fixed reference points to help in the training of the LittleArm arduino robot.
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The GripBrick is a specially designed cube that is easier for the LittleArm to grasp. It has the exact same dimensions of a dice.
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This piece was contributed by Dennis Humphrey who uses the LittleArm in his classroom.
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A good exercise for Kids with the LittleArm is the Oreo Dunking Challenge. But Oreos can be messy. So here is a practice cookie file.
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This four foot long poster contains a reliable line to follow using the LittleBot. Print it out an use it as a test bed of the kids' line following code.
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For Everyone Else
CAD
LittleArm 2C 3D Printing Files
$8.00
These include the 3D printing files for the core parts of the LittleArm 2C arduino robot arm. Extensions and grippers can be downloaded for free from here
LittleArm Original 3D Printing Files
$8.00
The core components to 3D print the Littlearm Original. Extra Grippers and accessories can be downloaded for free from here.
LittleArm Big 3D Printing Files
$20.00
All the files you need to print every part of the Littlearm Big Arduino Robot Arm. (All files designed to be sliced with Cura.)
LittleBots Gripper 3D Printing Files
$1.99
This 3D printed robot gripper is used for the LittleBot and the LittleArm Big. But it is also ideal as an addition to to any robot project where you would like to have a gripper.
This includes the 3D Printing files for:
You will need to purchase a servo for this gripper. We recommend you use the MG90S servos from the LittleBots Store to ensure all dimensions are correct and the servo fits.
Note: These files were designed to be sliced in CURA.
This includes the 3D Printing files for:
- Actuated Finger
- Un-actuated Finger
- Palm
You will need to purchase a servo for this gripper. We recommend you use the MG90S servos from the LittleBots Store to ensure all dimensions are correct and the servo fits.
Note: These files were designed to be sliced in CURA.
LittleBot Arduino Robot 3D Printing Files
$0.99
The 3D printing files for the Littlebot/Walter 3D Printed Mobile arduino robot.. We hope he will be a useful project for makers and classrooms around the world.
Critter 3D Printing Files
$15.00
These are all of the 3D printing files for the Critter Arduino Walking Robot Kit. Parts were designed to be sliced with CURA. Parts compatible with the files can be purchased from the LittleBots Store.
LittleBot 3D Printing Files
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All of the 3D printing files that are unique to the LittleBot are free and available on Thingiverse. Please try them, edit them, and let us know what you create. Visit our store for compatible motors and electronics
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All Grippers for the Original Littlearm and LittleArm 2C
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The Waldo is a motion capture system that allows the LittleArm or other Arduino robot arms to mimic the motion of the Waldo.
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The SensorCube is a 3D controller for the LittleArm or other Arduino robot arms. It provides proximity information in all 3 axis.
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A version of the Waldo code whichh requires a desktop interface to record the waldo's motion and play it back.
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Arduino Downloads
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This Arduino Sketch is the standard LittleArm firmware. It can be used with either the Android or Desktop Applications via bluetooth or USB
This is the Arduino sketch for the LittleArm 2C. This software allows serial control of the LittleArm with either USB or bluetooth. All code is heavily commented to aide education.
The primary Arduino Sketch for controlling the LittleArm Big arduino robot arm with either the bluetooth app or desktop programs.
This sketch allows control of the LittleArm 2C with the LittleArm Waldo.
The SensorCube is a sensor that provides proximity data from 3 different directions allowing for control of the LittleArm in 3D or of the individual joints
Training Arm is an arduino program which takes input from potentiometers in order to control the position of the arm. Meant to be used with the LittleArm Trainer Hardware
This is the most basic demo of the ultrasonic Sensor. This code commands the arm to raise and lower based on distance of an object from the sensor.
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The Updated LittleBot code for use with the app. Updated 10/8/2017
Early and original LittleBot firmware. Compatibility with with the LittleBot Bluetooth app.
Updated 6/20/2017 The first published version of the LittleBot Wall Following code. Uses an IR sensor and the Forward Ultrasonic sensor to follow walls and mazes. Updated 8/10/2017
Line following code for the LittleBot. Ideal line width for this code is 1/4 or greater. Included in this file are other function that can be accessed by changing "robotmode" in the code Updated 8/8/2018
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Basic Line following with 2 line sensors. Simplified to eliminate switching between mutliple functions in the code. Updated 8/8/2018
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Preliminary Arduino Code for the Critter Arduino Robotics kit. Operates with Critter app. May require calibration of joint angles for best results. Updated 10/24/2017
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Software Package
These files contain the Windows and Linux compatible desktop application as well as complete sets of Arduino and Python code which are dependent upon each other
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Version 3 of the Windows Software includes improved layout, the capability to save recordings, as well asselection of the appropriate usb port at start-up
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An improved build of the Windows app.
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Linux application for the LittleArm.
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Improved graphical layout and multi-system operation. Removed Windows exclusivity. Added Looping function in order to repeat sequence until end requested. (updated 10/2/2016)
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This is the first stable version of the Training Pendant code. The folder includes a windows app, python, and Arduino code. This version operates by recording selected positions and then generating connecting motion.
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This code operates by storing increments of a motion, at the rate of serial communication, the entire time period when recording is activated. Much greater resolution than training_pendant_0.9 but also memory intensive.
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LittleArm Big
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All the python and Arduino files needed to work with the LittleArm Big. Updated 7/20/2017
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