Mail Call #10: Thanks Craig! Also loot from AliExpress | In The Lab With Jay Jay

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In this video I receive Engineer’s Mini Notebook Volume II – Science and Communication Circuits & Projects all the way from the USA from my friend (and mentor (and reader (and viewer (and patron (and Lisp hacker))))) Craig. Thanks Craig! <3

I mention that the October 2024 edition of Silicon Chip magazine is out.

I mention that I recently got my symbol keyboard working on Linux! Pretty happy about that! These are the extra keys that I have at my workstation now: ° ± § λ Δ Σ Π Ω ε µ π θ

I also get a bunch of stuff from AliExpress, including:

And yes, despite confusion, I did get three lots of two different kinds of hard brushes, and yes, I did end up saying the wrong thing in the video! Can’t take me anywhere.

Oh, and as I mention in the video I am from a beautiful part of the world known as the Blue Mountains. It’s pretty hot here today!

In the end my collection of Arduino boards includes:

Thanks very much for watching! And please remember to hit like and subscribe! :)


Following is a product I use picked at random from my collection which may appear in my videos. Clicking through on this to find and click on the green affiliate links before purchasing from eBay or AliExpress is a great way to support the channel at no cost to you. Thanks!

Wozniak Solder LugsThis is an image of the product.notes

Let’s go shopping!

Old Book Teardown #10: Digital Systems: Hardware Organization and Design (1973) | In The Lab

This post is part of my video blog and you can find more information about this video over here.

You can support this channel on Patreon: patreon.com/JohnElliotV

Silly Job Title: Component Wrangler

In this video I take a look at Digital Systems: Hardware Organization and Design by Fredrick J. Hill and Gerald R. Peterson published in 1973:

Here is the laundry list of links to things which came up during this video, including a few duplicates:

Thanks very much for watching! And please remember to hit like and subscribe! :)


Following is a product I use picked at random from my collection which may appear in my videos. Clicking through on this to find and click on the green affiliate links before purchasing from eBay or AliExpress is a great way to support the channel at no cost to you. Thanks!

Rigol PLA2216 Compatible Logic ProbeThis is an image of the product.notes

Let’s go shopping!

JMP001 Symbol Keyboard now on Debian Linux

Thanks to my mate @edk from IRC I learned of the compose key. I configured my KDE Plasma desktop to use Right Alt as my compose key in System Settings -> Input Devices -> Keyboard -> Advanced. Then I updated the firmware and deployed a .XCompose file that I generated, and now I have a symbol keyboard on my Debian Linux workstation!

Faulty Peak DCA55 Component Tester

I watched this great video: Faulty Peak DCA55 Component Tester – I was shocked! | Can I Fix It? They had an excellent result from Peak Electronic Design Limited when they sought support for the DCA55.

One day, when I am rich, I plan to get the full set of measurement devices manufactured by Peak Electronics.