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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 ...

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 ...

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

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 ...

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

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

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 ...

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

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 ...

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

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 ...

What can I say, it's another mailbag. A pretty wide variety this time. What do you thing? Any suggestions? -- Links for most of the ...

Follow along with this build to learn how to assemble your electronics to your BlackBox Motion Control System and calibrate your ...

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

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

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

How To Solder SMD Components Correctly - తెలుగులో ఎలక్ట్రికల్ ఇంజనీరింగ్ గురించి ...

The fundamental operational characteristics of JFETs are discussed. These devices operate on a different principle than bipolar ...