Peripherals/Robots
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The main idea is to manage a simple robot from the analogue output of the XO (There are Pippy code examples that can output analogue data).
Development Stages
- The first to do is making a simple activity that sends signals to a simple circuit connected to a couple of motors. The output could be digital or analogue.The digital output is convinient for direct aplication to dc motors, like servomotors.
- The motors have to be joined in a simple platform, made form recyclable materials, so the cost of the construction is very slow.
- This activity also has to be shareable by the means of the hellomesh activity.
- In a later stage of development the little robot has to be controlled remotely.
Activity Code
- http://dev.laptop.org/git?p=users/rafael/Robots.Activity/.git;a=summary (GTK)
- http://dev.laptop.org/git?p=users/rafael/Robots/.git;a=summary (PyGame)
Notes
- Also the USB alternatives should be investigated.
- The source code has to be visible for the children.
- Another take on the development could be withouth the need of hardware, only the simulation process, for this a nice project to check out is Pyrobot
References to Construct the activity
- This page shows one example, an XO on top of a Roomba robot vacuum cleaner. This project cleverly uses the camera to show the robot's view on a webpage; the same page allows the robot to be driven remotely.
- USB related: Within the 1A USB power limit, a few small hobby servos could be connected and run off of the OLPC's battery. They could easily receive a pulse width signal from the headphone port, or a $1 USD microcontroller to control them via USB.
- more information how to go about this would be fantabalistic