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In this video we do the 19th project from the Maxitronix Sensor Robot 20 (20in1) Electronics Project Lab Kit: Touch Buzzer.
This circuit uses a Darlington pair to amplify the very weak signal from the touch sensor.
We use the Rigol MSO5074 Mixed Signal Oscilloscope to look at the square wave from the astable multivibrator.
We use the UNI-T UTi260B Thermal Imager to examine the thermal characteristics of the circuit, particularly the 1K resistors getting warm.
We use the Riden RD6006 Bench Power Supply to provide 9V for our circuit and also to measure the current drawn by the circuit in its inactive (11mA) and active (12mA) states.
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!
Maxitronix 500in1 Electronics Project Lab Kit notes |
Let’s go shopping!
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
In this video we put a hook on a stick so I can reach stuff that is high on my pegboard.
In this video I mention Ali the Dazzling and the Star Wars Kid. The wood shop channel I enjoy is Workshop Companion.
We use the Deep Hole Long Nib Pen to mark the points for drilling.
We use the Rockwell RD2971 18V Drill Driver Kit Drill for drilling.
We use the Bosch IXO VI Electric Screwdriver to drive in my screws.
My pegboard hooks are these ones: HORUSDY 120-Piece PegBoard Hooks Set, Peg Board Assortment 12 Different Types of Hooks for Garage Organizer Bins Shop Display Hanging.
We use the 14500pa Cordless Hand Held Vacuum to tidy up after ourselves.
We use the Yum Cha 10pc File & Rasp Set Metal File for filing.
We use the Plato Model 170 Wire Cutter for cutting our string.
The KVM I mention toward the end of the video is my AOOCOO 4K@30Hz HDMI USB 2.0 8-Port HDMI KVM.
If you’re interested in HDMI specs there is heaps of info on the Wikipedia HDMI page.
The monitor I mention toward the end of the video is the UPERFECT 15.6″ HDMI LCD. It’s physically small, but high resolution. I stop using this monitor because I was having trouble making it work with my new KVM and my studio workstation ‘verve‘.
The new component drawers I am getting for the new space on my pegboard are these: Jaycar HB6330 33 Drawer Parts Cabinet
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!
nmsafety Nitrile Gloves notes |
Let’s go shopping!
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
In this video we see what has arrived in the mail from AliExpress.
We use the Peak Electronic Design Atlas DCA75 Pro Semiconductor Analyzer to test our MOSFETs as they arrive.
We use the Brother P-Touch D210 Label Maker to label our component drawers.
We use the Scotch Titanium Scissors to cut open our packaging.
We use the Hakko CHP 3C-SA Precision Tweezers to manipulate our components.
Stuff that arrived included:
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!
Yum Cha Universal Handheld Wire Stripper notes |
Let’s go shopping!
This turned up on hacker news today: JTAG ‘Hacking’ the Original Xbox in 2023 – Using Intel CPU JTAG to dump the secret bootrom in Microsoft’s original Xbox. There’s some info being collected on github: github.com/Necrosys/x86-JTAG-Information.
I have been sad for some time that Learning the Art of Electronics: A Hands-On Lab Course is out of print. Little did I know, they have been working on a second edition! The revised edition is due out in March 2025. Excellent news! I don’t usually pre-order books, but I will pre-order my copy of Learning the Art of Electronics: A Hands-On Lab Course 2ed. There’s more info on the book’s website: learningtheartofelectronics.com.
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
In this video we take a look at what has arrived in the mail from AliExpress.
We use the Brother P-Touch D210 Label Maker to label some of our components.
This is what we got:
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!
Yum Cha Mini Magnetic Precision Screwdriver Set notes |
Let’s go shopping!
This is a part of the homework feature of my blog, which is an ongoing conversation with my mate S.F.
Hey mate. Lovely to see you again, as always.
You told me about Gorilla Glue. Rather unhelpfully there are all different types.
I mentioned my manifesto. Everyone should have one. :)
The Everyday Spy is Andrew Bustamante.
A PhD involves a thesis defense.
I have a note here “star app”, but I’m not sure what it refers to? Do you remember? I did search for “star app“.
This is required viewing: Bogans.
See you again soon! <3
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
In this video we demo our third hands from AliExpress: Octopus Soldering Helping Hands Bench Vise Table Clamp with Flexible Arms Solder Iron Holder PCB Repair for TS101 TS100 PINE64.
I mention that I found a YouTube video which has a look at it: Octopus Hand supports Soldering for only 5$ – Turtle Review but like me they couldn’t figure out what the rubber and bolts on the base are for! If you know please let me know in the comments!
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!
Yum Cha Drill Extension |
Let’s go shopping!