Tag Archives: LED

Raspberry Pi Logo32×32 RGB LED Matrix On The Raspberry Pi

At the last Cambridge Jam I picked up a 32×32 LED matrix panel from SK Pang. This consists of 1024 RGB leds and is used as a building block for those large displays you see in stadiums. I could only … Continue reading

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Raspberry Pi LogoHappy Halloween With A Raspberry Pi And Pi-Lite

It’s that time of year when mad inventors start creating Halloween themed electronics projects. I’ve never managed to be organised to do a seasonal project but this year I decided to give it a try. So this year I decided … Continue reading

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Raspberry Pi LogoPi-Lite LED Matrix Board Custom Sprites Example

In my previous post about the Pi-Lite I explained how to set it up and how you could display scrolling text in Python. In this post I will explain how to create custom 14×9 pictures and then send them to … Continue reading

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Raspberry Pi LogoPi-Lite LED Matrix Board Python ‘Hello World’ Example

If you’ve followed the previous Pi-Lite setup article you should have a working Pi-Lite. The example Python scripts are great but I wanted to show a simple example of my own demonstrating the basics of sending scrolling text to the … Continue reading

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Raspberry Pi LogoHow To Setup The Pi-Lite LED Matrix Board

I recently purchased a Pi-Lite at the Cambridge Raspberry Pi Jam.This is a 14×9 matrix of red LEDs mounted on a PCB that can be attached to the Pi and controlled via the GPIO header. The 126 LEDs can be … Continue reading

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Raspberry Pi LogoHow To Disable The Red LED On The Pi Camera Module

The Pi camera module includes a red LED in one corner of the PCB. This lights up when the camera is active. It’s really useful in giving a visual indication that the camera is doing something and most of the … Continue reading

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Raspberry Pi LogoRaspberry Pi Status LEDs Explained

All Raspberry Pi boards have status LEDs positioned in one corner next to the 3.5mm audio jack and USB port(s). The Model B has five status LEDs whereas the Model A has two. The Model A has PCB labels for … Continue reading

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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

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Raspberry Pi LogoControl LED Using GPIO Output Pin

The circuit below shows to turn an LED on and off using a Raspberry Pi GPIO pin configured as an output. It uses the output pin to turn on a transistor which allows the LED to draw current from the 5V … Continue reading

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Raspberry Pi LogoSimple Guide to the RPi GPIO Header and Pins

This page aims to give a general introduction to the General Purpose Input Output pins on the Raspberry Pi (Model B). The GPIO pins are available on the PCB via a header and allow you to interface the Pi to … Continue reading

Posted in Hardware, Python, Tutorials & Help | Tagged , , , , , | 13 Comments