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Category Archives: Learning
Diagnose Firefox issues using Troubleshoot Mode
Today I learned about Firefox troubleshooting mode.
Lifting SMD components from PCBs
Over on Hackaday Give Your SMD Components A Lift they linked to How To Lift SMD Pins Safely – IC Pin Lifting / Soldering by Mr SolderFix.
Fast website
There are some tips on making a website fast in this video: How is this Website so fast!?
Burglar Alarm | Project 11/20 | Maxitronix 20in1 | Learning Electronics In The Lab With Jay Jay
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 I do the 11th project from the Maxitronix 20in1 (the Sensor Robot 20): Burglar Alarm.
This project uses the reed switch to trigger a bistable multivibrator that controls an alarm. The bistable multivibrator can be reset with the key. An astable multivibrator is used to generate the tone for the audible alarm.
In this project we get some more experience with transistors and how they can be used in various types of multivibrator circuit. Under the thermal camera we can see some of the transistors warming up as they conduct electricity. With the oscilloscope we can see the periodic waveform used to generate the alarm tone.
Note: while I was making this video I needed to make some banana plug to hook clip cables (so that I could test the reed switch). I made a video of my making those cables which you can see here: Electronics Project #9: Making Banana Plug to Hook Clip Cables | In The Lab With Jay Jay.
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 KT-908 Digital Thermometer |
Let’s go shopping!
Jazz Piano
Seven things people learn too late in life
I thought this was good: Seven things people learn too late in life.
Most Important Skills for Electrical Engineering
Today I watched Most Important Skills for Electrical Engineering.
Stuff I need to learn includes:
He listed some important soft skills which included:
- Critical thinking
- Problem solving
- Communication
- Opportunity detection
- Tenacity/high-pain-tolerance
Quake ported to Arduino Nano Matter and Sparkfun Thing Plus Matter Boards
Today I found Quake ported to Arduino Nano Matter and Sparkfun Thing Plus Matter Boards via this article from Hackaday: Quake In 276 KB Of RAM.
The code is on GitHub and there’s a YouTube video with a high-level explanation.
Demo #2: Resistor Box Banana Plug Modding and Demo | Learning Electronics In The Lab With Jay Jay
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 I mod a pair of resistor boxes by installing banana plug terminals in place of the lug terminals they came with and then I give a quick demo of them.
In the demo we connect them in both series and parallel and then measure their resistance with my Fluke multimeter.
I mention this video from Dave Jones on the EEVblog: EEVblog #1020 – Is A $7 LCR / Component Tester Any Good? which is where I found out about the RS-201W resistor box which he has. I searched on eBay for RS-201W but what I found for over US$1,000 (inc shipping) was way too expensive: IET Labs RS-201W Wide Range Precision Resistance Substituter.
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 11 in 1 USB-C Hub USB Hub |
Let’s go shopping!