Raspberry PI LCD plate
In this example we will add an LCD plate to our Raspberry PI, you could of course add an LCD and connect it up...
Enabling i2c on the Raspberry Pi
Getting an I2C device to work with your Raspberry PI requires a few steps, in this guide we show how to enable this.
First of...
Python query SQlite database example
In this example we use the database we created in the create database example and we will simply display all rows in the database
#!/usr/bin/python
import...
Create a SQLite database with Python
In this example we create a SQLite database and insert some sample data into it, we will use this database in later examples
import sqlite3...
Java GPIO push button example
Connect a push button to a GPIO pin and check for a button press
Schematic
Code
import com.pi4j.io.gpio.GpioController;
import com.pi4j.io.gpio.GpioFactory;
import com.pi4j.io.gpio.GpioPinDigitalInput;
import com.pi4j.io.gpio.PinPullResistance;
import com.pi4j.io.gpio.RaspiPin;
import com.pi4j.io.gpio.event.GpioPinDigitalStateChangeEvent;
import com.pi4j.io.gpio.event.GpioPinListenerDigital;
public class pushbutton
{
...
Java clock speeds example
Another example using the pi4j library, this time displaying various clock speeds on your system
import com.pi4j.system.NetworkInfo;
import com.pi4j.system.SystemInfo;
import java.io.IOException;
import java.text.ParseException;
public class clockinfo
{
...
Display hardware info using Java
This code example shows how to display some hardware information using the pi4l java library
import com.pi4j.system.NetworkInfo;
import com.pi4j.system.SystemInfo;
import java.io.IOException;
import java.text.ParseException;
public class hardwareinfo
{
...
Java operating system information
This examples uses pi4j library to display operating system information
import com.pi4j.system.NetworkInfo;
import com.pi4j.system.SystemInfo;
import java.io.IOException;
import java.text.ParseException;
public class osinfo
{
...
Basic Java GPIO example on your Raspberry PI
The first step is to verify if you have java installed , to do this open a command prompt and type the following
java -version
This...
RasPi Check android app
Simple app for checking the status of your Raspberry Pi.
RasPi Check shows you overclocking information and free memory, runtime, disk status and lots of...