Visualizing Data

We need a way of presenting the temperature data that has been saved to the database in the last tutorial. This tutorial shows how we can create a simple representation of the data and is only intended to as a starting point for the display of data and can be taken...

VNC Resolution

By now you’ve probably tried to connect to your Pi with VNC. In VNC Viewer on your laptop the resolution of the your Pi is set low by default. To change this default we’ll need to change a setting in raspi-config. To use raspi-config, access Terminal and...

Recording Data

To record data from a sensor we will use a Python program that checks the sensor every minute and writes the temperature (with a time stamp) into our MySQL database. Database preparation First we will set up our database table that will store our data. Using the...

Setting up Apache, PHP and MySQL

Web Server and PHP Because we want to be able to explore the data we will be collecting, we need to set up a web server that will present web pages to other computers that will be browsing within the network (remembering that this is not intended to be connected to...

RaspberryPi 05: Remote Desktop

UPDATE: This article is out of date, RealVNC is now installed on Raspbian, see this article for more info (excerpt from page 27 of MRE-RPi book) Often all you need to control your Raspberry Pi is an SSH connection, however sometimes it is useful to be able to remotely...
RaspberryPi 04: First Time Configuration

RaspberryPi 04: First Time Configuration

The first time you run Raspberry Pi you will need to make some basic configurations. The configuration panel can be found in the main menu (Main/Preferences/RPI Configuration) Expand File System Change Hostname Change Password (unique) from default (raspberry) Enable...