Today I reached 2,500 subscribers on my channel, @InTheLabWithJayJay. Pretty happy about that! Next stop, 3,000.
Category Archives: Internet
Startup Plans April Launch for a Satellite to Reflect Sunlight to Earth at Night
I’m surprised they’re still working on this. I thought someone would have explained to them by now that their plan is not feasible. They will only be able to send in negligible levels of power…
Buy 12 Broken Ryzen CPUs for $10 Each and repair them for profit?
I was very impressed with how enterprising this guy is! Most just needed their pins straightened out, a few needed new pins, and two were salvaged for parts (i.e. pins).
1986 Sinclair Spectrum+2 repair
In this video I learned about the Metcal PTTC-706 soldering iron tips. I must save my pennies so I can buy myself a pair of these babies!
Falsehoods programmers believe about time
In my feed today: Falsehoods programmers believe about time.
Convincing wife the 3D printer was worth it
This guy made a handy hook for his scooter in order to convince wifey that 3D printer wasn’t a waste of money. :)
Process Of Making Folding Fan
A Korean master crafts a 350-year-old Hapjukseon folding fan by hand.
Learning the Art of Electronics: 1L.5 The Diode | 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: Terminal Tactician. I am the Terminal Tactician!
In this video we continue to work our way through Learning the Art of Electronics. In this video we continue with 1L Lab: DC Circuits and test a 1N914 diode.
The circuit we build is this:
And the charts we make are these:
This demonstrates that as we increase the voltage into our diode the current increases exponentially.
We reverse the polarity of the diode to see what happens and we observe that only a very small leakage current of 0.4 µA flows.
We use the Riden RD6006 Bench Power Supply to supply 5V for our test circuit.
We use the EEVblog BM2257 Digital Multimeter to measure voltage.
We use the Fluke 17B+ Digital Multimeter to measure current.
We use the Carpenter Mechanical Pencil to make notes.
We use the Kaisi S-160 45x30cm Repair Mat as our workspace.
Thanks very much for watching! And please remember to hit like and subscribe! :)
p.s. today I added Riden, EEVblog, Kaisi, and Multimeter, 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 4K HDMI USB 3.0 HDMI To USB Adapter![]() |
Let’s go shopping!
Alessandro Volta
Today I read about Alessandro Volta who is the person the “volt” was named after. Volta achieved a number of things but the most famous of them is the Voltaic pile, the first battery.
Arduino Project Hub
Today I discovered Arduino Project Hub. There are over six thousand projects there!



