Sharing files over the network is incredibly handy, when I was writing code examples to publish on this site it was useful to run them on the Raspberry PI, copy them to a folder which could be accessed on my Windows 7 PC. Install and...
Author: shedboy71
File and directory command line Directories List directory: ls List directory (wildcard matching): ls *.txt List all files of type: find . -name "*.txt" -print Switch/toggle between dirs: cd -.
I found this useful Distribution | Username | Password ---------------|------------|------------- Debian Squeeze | pi | raspberry Arch | root | root QtonPi | root | rootme Raspbian | pi |.
Compass This module lets you access the built-in electronic compass. Before using, the compass should be calibrated, otherwise the readings may be wrong. Warning: Calibrating the compass will cause your program to pause until calibration is complete. Calibration consists of a little game to draw...
Accelerometer This object gives you access to the on-board accelerometer. The accelerometer also provides convenience functions for detecting gestures. The recognised gestures are: up, down, left, right, face up, face.
Buttons There are two buttons on the board, called button_a and button_b. Attributes button_a A Button instance representing the left button. button_b A Button instance representing the right button. Classes.
WARNING: Preprocessor macros, although tempting, can produce quite unexpected results if not done right. Always keep in mind that macros are textual substitutions done to your source code before anything is compiled. The compiler does not know anything about the macros and never gets to...
When we create a function, it must be given a name. The naming convention for functions is the same as for variables: •The function name can be made up of.
The most basic Arduino sketch consists of two functions called setup() and loop(). The Arduino IDE once installed has a basic example that shows this. Open the Arduino IDE and select.