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Stewart's Blog

Stewart Watkiss website to the world ...

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

Archive for the 'Computers' Category

The power of open source – Creating a GUI with Python and guizero

Saturday, January 13th, 2018

This isn’t going to be a guide about how to program a GUI (graphical user interfaces) using guizero (hopefully I’ll add some instruction on that in future), but it does explain which I chose guizero, some of the concepts I used and a bit of an insight into this open source software library. Adding GUIs […]

Upgraded Networking Challenge for Computing fair

Friday, January 12th, 2018

I have written previously about a school computing fair that I helped support. I went along again this year as a way to promote STEM and in particular computing. As I work for a telecommunications company then I wanted to promote computer networking as a career option. I didn’t want to just talk about computer […]

Review of MeArmPi robot arm for Raspberry Pi

Thursday, November 30th, 2017

I backed the MeArm Pi kickstarter project earlier this year, and just received the finished product. It’s a, laser cut, plastic robot arm which has a built-in Raspberry Pi. It is created by Mime Industries who have previously created a similar robot arm without the build-in controller / Raspberry Pi. It can be controlled using […]

Learn Electronics with Raspberry Pi – on Humble Bundle

Tuesday, August 22nd, 2017

My book “Learn Electronics with Raspberry Pi” is included in the Lego Mindstorms and Robotics book bundle on Humble Bundle. Through this you can get over $500 worth of ebooks for a fraction of their normal price, with a portion of the money going towards the charity AbleGamers Foundation. As with all the Humble Bundles […]

Raspberry Pi with Google AIY – voice recognition

Monday, May 8th, 2017

Google and MagPi (the official Raspberry Pi magazine) have released a project in the magazine using the Google API engine. This is known as AIY and was released with issue 57 of the magazine. The finished project is a cardboard box with a button switch on top. It includes a audio card and a microphone, […]

Networking challenge quiz for school IT and computing fair

Thursday, February 2nd, 2017

In the UK, Year 9 (age 13 to 14) is an important stage which can influence the student’s future career. It is during this year that the students first decide on what subjects to pursue, and in particular whether they will continue to study computer science. I recently attended a computing and IT careers fair […]

Getting started with 3D printing using Linux

Sunday, January 15th, 2017

I have now got a 3D printer. I haven’t done much with it yet and it’s a steep learning curve but I’m looking forward to getting into 3D printing. Choosing a 3D printer The first decision was which 3D printer to buy. There are a lot of different choices starting from little over £100 and […]

Element 14 BOO! Pi Costume Contest

Wednesday, November 9th, 2016

Around Halloween 2016 Element 14 ran a Costume Competition for wearable tech projects. Boo! Pi Costume Contest I was already working on a Wizard of Oz costume so I submitted my project to the competition. You can find out more about the Raspberry Pi – PiZero NeoPixel bow tie here. My costume was one of […]

Wizard of Oz Costume – Wearable electronics with Raspberry Pi, Pi Zero

Wednesday, October 26th, 2016

I decided to create a Wizard of Oz costume for Halloween this year. As you probably know The Wizard of Oz wasn’t really a wizard at all. He used a mechanical machine to convince the citizens of Oz about his magical abilities. What you may not know is that he was more than just a […]

Electronics and Raspberry Pi Halloween Projects

Sunday, October 23rd, 2016

These are some of the Halloween Projects I’ve created. Haunted House A scary haunted house, using a Raspberry Pi, home automation, electronics and scary music. Raspberry Pi Haunted House Raspberry Pi MotionSensor Jack-O-Lantern Pumpkin My son’s Motion Sensor based Light Up Pumpkin project Halloween Motion Sensor Pumpkin Wizard of Oz Costume A Wizard of Oz […]


UK days out, children and holiday information is also available on the Days Out Diary web site
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First Aid Information, first aid games and first aid practice test / quiz entries are also available on the First Aid Quiz Web site