Monthly Archives: August 2012

Raspberry Pi LogoSending SMS Text Messages Using Python

For one of my Pi projects I wanted the ability to send SMS text messages from a Python script. These messages would be sent to my mobile phone and alert me about specific events recorded by my Pi. There was … Continue reading

Posted in Python, Software, Tutorials & Help | Tagged , , , , | 9 Comments

Raspberry Pi LogoReading Analogue Sensors With One GPIO Pin

Unlike some other devices the Raspberry Pi does not have any analogue inputs. All 17 of its GPIO pins are digital. They can output high and low levels or read high and low levels. This is great for sensors that … Continue reading

Posted in Hardware, Python, Tutorials & Help | Tagged , , , , , | 11 Comments

Raspberry Pi Logo20×4 LCD Module Control Using Python

This article is based on my previous article 16×2 LCD Module Control Using Python and 16×2 LCD Module Control With Backlight Switch. 20×4 LCD modules are relatively easy and cheap to obtain. They have the same 16 pin interface as the 16×2 … Continue reading

Posted in Hardware, Python, Tutorials & Help | Tagged , , , | 11 Comments

Raspberry Pi Logo16×2 LCD Module Control With Backlight Switch

Following on from my article about controlling a 16×2 LCD module with Python and a Raspberry Pi I decided to make a few enhancements. These included : Adding a 10Kohm variable resistor to adjust the contrast Adding a 5Kohm variable resistor … Continue reading

Posted in Hardware, Python, Tutorials & Help | Tagged , , , , , | 8 Comments