Maker including Linux, electronics, 3D, Arduino and the Raspberry Pi. STEM ambassador in Worcs - @StewartWatkiss youtube.com/c/PenguinTutor
Joined July 2009
- Tweets 2,095
- Following 1,101
- Followers 742
- Likes 849
486 Photos and videos
Pinned Tweet
11 Dec 2020
This year I wrote two new books.
penguintutor.com/projects/bo…
Beginning Games Programming with Pygame Zero and Learn Electronics with Raspberry Pi (second edition).
Available from your favourite book store as softcover hardcopy or ebook.
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From breadboards to Cyber Security! 🐧💻 Are certs like LPIC, CISSP, and ISACA AAISM actually worth it for makers? Find out in my latest video, plus a quick update on what's next for the channels.
Watch here: youtube.com/watch?v=JqB-y5K5…
#CyberSecurity #ITCertifications #TechCareer
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Apr 13
Ready to build the ultimate home media hub? 🐧💻
How to set up a high-performance Jellyfin server on the Raspberry Pi CM4. Using NVMe storage for maximum speed and Docker for a clean, professional setup!
Watch it here: youtube.com/watch?v=UVpFnKb_…
#RaspberryPi #Jellyfin #HomeServer
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Mar 30
Stop letting your Raspberry Pi gather dust! ⚡️
In Part 2 of the Home Server build, we’re going headless: 📂 Samba NAS setup 🐳 Docker & Portainer 📊 Glances monitoring 🚀 Custom PHP "Mission Control" dashboard
youtube.com/watch?v=Ika8wHNi…
#RaspberryPi #SelfHosted #Docker #HomeServer
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Mar 16
Boost your home server game with the Raspberry Pi Compute Module 🚀
Learn how to set up native NVMe booting using a PCIe adapter for lightning-fast storage. Part 1 covers the full hardware build and EEPROM config.
Watch here: youtube.com/watch?v=MEjH27Zj…
#RaspberryPi #HomeServer
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Master the building blocks of modern AI! 🤖🧠 Discover the ultimate blueprint of AI architecture, from Machine Learning basics to the magic behind GANs.
Watch now 👇 youtube.com/watch?v=4t3wHbC7…
#AI #MachineLearning #Tech
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Struggling with voltage ripple and droop in your DIY power supply? ⚡️
Learn how to build a rock-solid, stable 12V output using the LM7812 linear voltage regulator. We dive into datasheets, dropout voltage, and how these circuits actually work! youtu.be/-uSdWWigv6I?si=Ybw6…
#Electronics
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Feb 23
Turning AC into DC! ⚡ This week's beginner electronics dive is all about the Full-Wave Bridge Rectifier. Plus, checking out the oscilloscope traces and seeing what happens when we drop in a capacitor. 🔌
youtube.com/watch?v=vxIKdUR6…
👇 #Electronics #Maker #DIY
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Feb 20
Why does AI lie to you?
Learn how these tools actually work behind the scenes and why human oversight is the ultimate antidote.
#ai #cybersecurity
Ever wonder why AI sometimes confidently makes things up? 🤔
In this video, "Why AI Lies to You," we break down the 5 biggest limitations of AI today: 1️⃣ Inaccurate Results 2️⃣ Lack of Context 3️⃣ Data Bias 4️⃣ Tokenization & Censorship 5️⃣ AI Hallucinations
youtube.com/watch?v=SGiOUWCP…
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I've now published my first #python library to PyPi.
Find out how with this video
youtu.be/b8GCIc0eW0o?si=lGXM…
#python #pip #pypi
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Jan 26
Ever wondered how a diode actually works? 🤔⚡️
It’s the "one-way valve" of electronics, but there's so much more going on inside!
Watch the full breakdown here: youtu.be/a9LnNkGxeyQ?si=nE1r…
#Electronics #PCBDesign #Semiconductors #DIYElectronics
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My Raspberry Pi model railway project, is now known as - Pi SignalBox. A GUI application for a Raspberry Pi written in Python Pyside6.
youtu.be/4wYt43GfPBo?si=UOJ4…
Still work in progress, but now includes good functionality for controlling DCC locomotives and points using CBUS.
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12 Dec 2025
This year's Christmas Lights.
Controlled using 3 Raspberry Pi computers and 1 Raspberry Pi Pico.
youtube.com/watch?v=DRtD6QmH…
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8 Dec 2025
I've upgraded a Disney Christmas Tree topper with a Raspberry Pi Pico.
Using a Pico W allowed me to add a web interface, and I used PWM to create an improved twinkle.
youtu.be/7if3OGkeGTU?si=V-Vc…
#MakerMonday
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24 Nov 2025
I've created a 3D Christmas Tree in FreeCAD.
Print on card or laser cut.
Video shows how to create the design, including 2D sketch, mirroring and duplicating the sketch.
youtube.com/watch?v=ae7pb0cA…
#FreeCAD
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PenguinTutor retweeted
20 Oct 2025
I really enjoyed @standupmaths Matt Parker "Getting Triggy With It" @BirminghamRep yesterday.
Very funny show, currently touring the UK.
#Birmingham
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29 Sep 2025
Tidying up my workshop by designing and 3D printing backets to hold spools of wire.
youtube.com/watch?v=AgnOUif8…
Designed in FreeCAD
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1 Sep 2025
I've now started using AI to help with creating code for use in my open source projects.
Here's how I use AI, including my first attempt at Vibe Coding for a Raspberry Pi Pico
youtu.be/5B9K3hYb7mc?si=Io04…
#CodingVsProgramming
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14 Jul 2025
For the last week I've been refactoring my code for my Raspberry Pi Model Railway GUI application.
Lots of code changes, but no new features. Making it easier to add new features in future.
youtu.be/JKjyQKCgh_M?si=9iix…
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9 Jun 2025
Learning the CBUS protocol to control a model railway, and then creating a GUI app in Python.
Involved packet sniffing with Wireshark, reverse engineering and looking up opcodes in documentation.
Then creating python libraries and a GUI
youtube.com/watch?v=oij3cjSs…
#raspberrypi
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