You may not understand what I do… but it is still awesome.

Electronics

Servoblaster: Installation

Firstly you need firmware updated to 3.2.27 I posted about this here http://www.novitiate.co.uk/?p=8 Install Git sudo apt-get install git Then use Git to clone the files git clone git://github.com/richardghirst/PiBits.git Move to the folder cd PiBits//ServoBlaster Load servoblaster sudo insmod ./servoblaster.ko Now do this command to find what number you nee for the following command (its […]

GPIO instructions for PI

step 1: Update your Python installs with the python dev package. This will avoid a “fatal error: Python.h: No such file or directory” sudo apt-get install python-dev step 2: download the GPIO module. The version may change so ensure you check for the most up to date version http://pypi.python.org/pypi/RPi.GPIO At the time of writing the […]

Maplin robot arm on PI

Tricky one this, the modules were the pain Step 1: Install wxPython – I think this is the GUI module sudo apt-get update sudo apt-get install python-wxgtk2.8 python-wxtools wx2.8-i18n Step 2: Install PyUSB – so python can interact with the robot arm by USB. I ended up having to install PIP to get this sorted. […]

Robotics servo control, how they work…

Servos work on times pulses. Nice explanation here. http://www.robotplatform.com/knowledge/servo/what_makes_a_servo.html

Logic level. Making the 3.3v GPIO output up to 5v

Changing 3.3v (GPIO output) to 5v. http://arduino.cc/forum/index.php?topic=119340.0 I did this and managed to up the 3.3v GPIO output to 4.8v on a prototyping board, might be closer to 5v when soldered.