Mail Call #62: Loot from AliExpress, Amazon, and eBay | In The Lab With Jay Jay

You can support this channel: patreon.com/JohnElliotV

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

Silly Job Title: Phase Phaser. I am the Phase Phaser!

In this video we take a look at what arrived in the mail:

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

p.s. today I added BNC, BNC-SMA, Xylitol, html, Thermocouple, CAS, LCR, Brushless, IGBT, Triode, PWM, LiPo, LiFe/em>, NiMH, and NiCd to my spell check.


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!

Yum Cha Half Round Nose and Half Groove PliersThis is an image of the product.

Let’s go shopping!

CH341A Programmer

Update: there is conflicting information on the interwebs regarding the “fix” for this programmer. Some people say you should do it. Other people say it isn’t necessary. You decide!

Today I watched You Need This $10 Flash Programmer, But It Needs This Fix Before You Use It! and I picked up a few from AliExpress:

The video references thingino.com, which has firmware for cameras with Ingenic SoC.

Unboxing #34: Unboxing the Sharp EL-506TS Scientific Calculator | In The Lab With Jay Jay

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

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

Silly Job Title: Digital Dancer. I am the Digital Dancer!

In this video we unbox the Sharp EL-506TS scientific calculator. In this video I also mention about my Casio fx-991CW and my Sharp EL-546L.

The constants used in the calculator are taken from CODATA Recommended Values of the Fundamental Physical Constants: 2018 which is an impressive scholarly work.

I am sorry for the poor focus and zooming in this video. I have ordered a new camera which should help me to minimize issues like this in future videos.

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!

Oudisi 9-inch 16 in 1 Wire StripperThis is an image of the product.notes

Let’s go shopping!

Unboxing #33: Unboxing the ZeenKo LiteVNA64 Vector Network Analyzer | In The Lab With Jay Jay

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

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

Silly Job Title: Electron Enchanter. I am the Electron Enchanter!

In this video we unbox the ZeenCo LiteVNA64 Vector Network Analyzer.

The specifications from the manufacturer are here: LiteVNA.

The user manual is here: LiteVNA User Guide.

You can download manuals, firmware, and software from here: LiteVNA Google Drive.

A related open-source software project is NanoVNA-Saver.

The books I have been reading to learn about the technology include A guide to the NanoVNA and What is Smith chart. Also “S-Parameter Techniques” by Hewlett-Packard.

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

p.s. today I added NanoVNA to my spell check.


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!

Yum Cha Metallic Craftwork PenThis is an image of the product.notes

Let’s go shopping!

Unboxing #32: Unboxing the Casio fx-991CW ClassWiz Scientific Calculator | In The Lab With Jay Jay

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

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

Silly Job Title: Voltage Virtuoso. I am the Voltage Virtuoso.

In this video we unbox the Casio FX-991CW ClassWiz Scientific Calculator.

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

p.s. today I added ClassWiz to my spell check.


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!

Yum Cha Orange Telescopic Magnetic Pickup ToolThis is an image of the product.

Let’s go shopping!

The Art of Computer Programming (TAOCP)

Today I purchased the following ebooks for The Art of Computer Programming (TAOCP) by the venerable Donald Knuth:

Scientific calculators and graphing calculator

Today I got myself two scientific calculators:

One graphing calculator:

And a few books about how to use them:

If you’re interested in such things you might like to check out Developing a Scientific Calculator Easier for Everyone to Use, the story of the Casio ClassWiz models.

I also considered:

On my iPhone I have:


Casio FX-991CW Advanced Scientific Calculator

Casio FX-991CW Advanced Scientific Calculator

TI 36X Pro Scientific Calculator

TI 36X Pro Scientific Calculator

HP Prime G2 Graphing Calculator

HP Prime G2 Graphing Calculator

Mail Call #60: Loot from AliExpress and Amazon | Learning Electronics In The Lab With Jay Jay

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

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

Silly Job Title: Conductor Captain. I am the Conductor Captain!

In this video we take a look at what arrived in the mail from AliExpress and Amazon:

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

p.s. today I added UART and TTL to my spell check.


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!

Yum Cha Telescopic Magnetic Pickup With LightThis is an image of the product.

Let’s go shopping!

Mail Call #59: Loot from AliExpress and Amazon | Learning Electronics In The Lab With Jay Jay

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

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

Silly Job Title: Grounding Genius. I am the Grounding Genius!

In this video we take a look at what arrived in the mail from AliExpress and Amazon:

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

p.s. today I added to my spell check.


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!

Yum Cha 3pcs Drill Scrub BrushThis is an image of the product.notes

Let’s go shopping!

Mail Call #58: Loot from AliExpress, Amazon, and Seagate | In The Lab With Jay Jay

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

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

Silly Job Title: Cable Connector. I am the Cable Connector!

In this video we take a look at what arrived in the mail from AliExpress, Amazon, and Seagate:

In the video I mention about my Peak Electronic Design Atlas DCA75 Pro Semiconductor Analyzer.

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

p.s. today I added Seagate to my spell check.


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!

Yum Cha Blue SpudgersThis is an image of the product.

Let’s go shopping!