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Stewart's Blog

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Archive for the 'Computers' Category

Raspberry Pi Pico on YouTube #Shorts

Saturday, January 23rd, 2021

I’ve now created my first YouTube #Shorts. It’s a quick demonstration of the Raspberry Pi Pico switching a large load through a darlington Transistor. I’ve also created a standard video on the Raspberry Pi Pico and how to get started using MicroPython here: This video is based around the Transistor switch and darlington driver video […]

Raspberry Pi Pico – A microcontroller from Raspberry Pi

Friday, January 22nd, 2021

There’s a new microcontroller available but this one is from an unexpected manufacturer – Raspberry Pi! Raspberry Pi well known for their single board computers has now branched out into a micro-controller. This has been done in partnership with other micro-controller supplies such as Arduino, who are expected to release a board based around the […]

SnowPi RGB Christmas Game for Raspberry Pi

Monday, December 21st, 2020

My Christmas maker project this year is a game based around the SnowPi RGB. This is a PCB with addressable RGB LEDs (also known as NeoPixels). The game is created in Python pygame zero. In the game you have to press an appropriate key (or button on the joypad) at the right time. It’s a […]

Raspberry Pi controlled Christmas Lighting including NeoPixels and RGB Matrix LED display

Thursday, December 3rd, 2020

This video explains about the Christmas lighting display I have at my house and how it’s controlled using 3 Raspberry Pi computers. Two of these are automated, but one does require manual intervention to turn it on and off. There are outdoor Christmas lights including Christmas Tree lights and light-up animals using LED lighting. These […]

micro:bit v2 – New version of the educational coding tool

Sunday, November 29th, 2020

The micro:bit version 2 is now available. This is a significant upgrade on the original micro:bit with a better processor, more memory, a speaker, microphone, touch sensitive area and more. What is a micro:bit The Micro:bit (or sometimes referred to as microbit) is a small electronic programming tool designed to teach coding to secondary school […]

New book – Learn Electronics with Raspberry Pi (second edition)

Thursday, November 26th, 2020

My new book is now available. Learn Electronics with Raspberry Pi (2nd Edition). This is an update on my first book which is now over 4 years old. My first book sold well and was even translated into Chinese. This new edition is a significant rewrite, bringing it up-to-date, but also improving the educational style, […]

Python testing made fun – testing code using unittest

Monday, November 9th, 2020

This video explains the benefits of using Python testing when programming. This is intended for makers who are coding software for physical computing, hobby software programmers and those looking to learn about software programming through school, college, university or adults looking to increase their skills. Without any automated testing bugs can be harder to find […]

Raspberry Pi Microscope with High Quality (HQ) camera

Monday, November 2nd, 2020

One of the great things about the Raspberry Pi is it’s versitility which allows it to be used in many different ways. The introduction of the high quality camera module has greatly increased the scope of what can be achieved in digital photography. This has been expanded further thanks to a professional quality lens now […]

Raspberry Pi Halloween Animated Light Display – RGB Matrix LED display with pumpkin and PIR sensor

Thursday, October 29th, 2020

My Raspberry Pi Halloween project for this year is based around the Raspberry Pi RGB matrix display project. I have put the RGB Matrix outside of my house and wanted to display a Halloween animation on the display. I also wanted to include a PIR sensor which changed the display when someone approached the display. […]

Raspberry Pi official Ubuntu 20.10 Desktop Image – running a 64-bit desktop linux on the Raspberry Pi

Monday, October 26th, 2020

With the release of Ubuntu 20.10 the Raspberry Pi now gets an official desktop version of the popular Linux desktop. In the video below I go through the install and initial experience running Ubuntu desktop on the Raspberry Pi. Getting started with Ubuntu desktop on the Raspberry Pi Before you rush out to install there […]


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