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This week I felt like doing a nice relaxing soldering kit. This is a version of the good old "clapper" circuit. You can clap your hands ...

After seeing that LED light bulb kit in the last mailbag, I knew I wasn't going to wait very long to build it. And, since there has been ...

https://media.ccc.de/v/36c3-10575-how_to_design_highly_reliable_digital_electronics There's a variety of places - on Earth and ...

There are a lot of opinions on the cheap DSO138 oscilloscope, few of them positive. The best thing you can say about it is that it's ...

Let's take a closer look at that cheap USB powered soldering iron I pulled out of this week's mailbag. Can it be fixed? Does it work ...

I wanted to test out the board holder soldering aid thingie that I got in a recent mailbag, so what better way than to do a kit build.

A whistle-stop tour of how computers work, from how silicon is used to make computer chips, perform arithmetic to how programs ...

Maybe? The Best 12AU7 Substitute Ever! Note: They are different tubes, watch the whole video to learn the differences BEFORE ...

Today I'm testing out my new helping hands with a kit build. Specifically this ...

I've had this kit in my "round tuit" box for about a year and a half. Honestly, it kinda intimidated me even thinking about building the ...

The challenge has been set and I'm picking up the gauntlet. Simple Electronics and Junk From Work put out a speed soldering ...

Today I'm building an interesting kit that I got from Universal Solder a few months ago. This is their PLC MEGA328 kit, which has ...

Back in mailbag#80, I received a gift of this T-12 style soldering iron. Now that I've got my hands on some tips for it, I thought I'd ...

in this video i i demonstrated How to use OSCILLOSCOPE - Digital Storage Oscilloscope DSO - Complete Tutorial. it is Hantek ...

I was surprised to find this brand name wireless doorbell at my local Dollarama for only $4. Time to get curious and see what ...

00:00 - Device Overview 04:56 - ADF4351 Synthesizer Update 06:57 - Device Walk-Through 12:22 - Teardown 18:13 - Frequency ...

Amazon Affiliate Store ➡️ https://www.amazon.com/shop/lawrencesystemspcpickup Gear we used on Kit (affiliate Links) ...

Follow along with this comprehensive build video and learn how to assemble your electronics and configure your software for ...

Yes, anyone can hack IoT devices and I'll show you how! It doesn't matter if you're an experienced pen tester in other fields, ...

It's that time again. Time for another mailbag chock full of cheap Chinese electronics. Lots of stuff that has spent many months in ...