Visitor Alarm | Project 9/20 | 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 on this show’s homepage which is here.

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

In this video I do the ninth Maxitronix 20in1 Electronic Project Lab project: Visitor Alarm.



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 16MP USB CameraThis is an image of the product.

Let’s go shopping!

Interlude #5: Learning LTspice Part 2 | 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 on this show’s homepage which is here.

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

Part 1 of this two part series is here.

In this video I continue to make my first LTspice circuit simulation. I am running this software under Wine on KDE Plasma running on Debian 12 bookworm.

I got some help with this simulation over on the EEVblog forum: Help with modeling multivibrators in LTspice.

There are some important errata concerning the above over on the EEVblog:

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 30 In 1 (30in1) Electronics Project Lab KitThis is an image of the product.notes

Let’s go shopping!