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Stewart's Blog

Monkeys, megabytes, medical and more ...

(Children, computing, first aid and other ramblings ...)

Archive for the 'Computers' Category

Restore dual boot with Ubuntu when Windows 10 update overrides the UEFI settings

Monday, October 10th, 2016

As a Linux user it’s now very rare that I run Windows on my home computer, but when I do it’s usually because of something important. At the moment it’s because I’m taking some exams on my MSc course and the remote proctoring software only supports Windows and Mac. It’s therefore rather important that my […]

PyconUK 2016 – Sending secret messages with a micro:bit

Monday, October 3rd, 2016

Another year and another Pycon UK. For 2016 the UK’s community Python Conference was held in Cardiff, Wales. It’s also the fourth year that they’ve included a special Children’s day on the Saturday. This included a day of kids coding on Raspberry Pi computers (Pi-Top CEED) and this year each child received a micro:bit to […]

Pi-Top Raspberry Pi laptop computer

Saturday, October 1st, 2016

During my visit to the Raspberry Pi factory arranged by RS I also entered into a competition to win a Pi-Top computer. After a close run vote, I won. So I now have a Pi-Top Raspberry Pi laptop. The Pi-Top is a similar size to a regular laptop, but involves some assembly and uses a […]

Visit to Sony Raspberry Pi Factory Wales

Friday, May 27th, 2016

I’ve recently been to visit the Sony UK factory where the Raspberry Pi is made. This was made possible thanks to RS Components and a competition to win a tour around the site. The site known as the Sony UK Technology Centre is based in Pencoed Wales. At the site they manufacture high-end video cameras […]

Simple RFID using Python3 on a Raspberry Pi 2 – RC522 SPI RFID module

Sunday, May 8th, 2016

RFID (Radio Frequency Identification) and NFC (Near Field Communication) provide the ability for devices to talk to each other by touching them together. This could be between two smart devices or between a smart device to a simple tag embedded into a card or sticker. In my case my requirements were quite basic as I […]

Controlling a Raspberry Pi robot using the micro:bit accelerometer

Monday, December 21st, 2015

The BBC micro:bit includes an accelerometer which allows you to track the movement of the micro:bit. This means that it can be used to as a controller similar to how the Wii remote control tracks it’s movement through the air. For this project I used the micro:bit as a wired device to control my existing […]

Communicating between Raspberry Pi and Micro:Bit using pyserial

Friday, December 18th, 2015

One of the things I’ve been doing with the micro:bit is to have it relay messages to a connected host computer. This is fairly easy within python on a Linux computer (such as the Raspberry Pi) thanks to the pyserial module which supports sending and receiving serial communication over a serial USB device. It’s even […]

Disco Lights controlled by a Micro:Bit running Micro Python

Thursday, December 17th, 2015

I’ve been playing around with a BBC Micro:Bit for the last few days. You can see my first adventures in programming MicroPython on the Micro:Bit using a Raspberry Pi 2. One of the first things that you normally do when learning electronics is to light up an LED. It gives an immediate output and adds […]

Programming the BBC Micro:Bit using a Raspberry Pi 2

Wednesday, December 16th, 2015

The BBC Micro:Bit will be going out to school children in the UK during 2016. In the meantime I have been given a sneak peek as part of the microbit world tour. The aim is to put the micro:bit into the hands of some Python programmers that can find out what is possible and create […]

The Raspberry Pi $5 PiZero – the cost is only half the story

Sunday, November 29th, 2015

The Raspberry Pi foundation has made a new Raspberry Pi computer called the PiZero. It’s a smaller version of the version 1 Raspberry Pi that’s been stripped back to the bare essentials with price that’s an amazing $5 (currently £4 in the UK including VAT). Not only that but they are so inexpensive they’ve been […]

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