Collaborate Disseminate
As much as some of us don’t like it, building things for real requires some mechanical component. Maybe it is something as simple as an enclosure or even feet for …read more Continue reading Mechanical Linkage CAD for Everyone
We always get excited when we buy a new tablet. But after a few months, it usually winds up at the bottom of a pile of papers on the credenza, …read more Continue reading Raspberry Pi Tablet Gets Radio Surgical Enhancement
If you work on old equipment, you know that there’s always that tense moment when you first plug it in and turn it on. No matter how careful you have …read more Continue reading Bright Lightbulb Saves Old Radios
If you or someone you know is diabetic, it is a good bet that a glucose meter is a regular fixture in your life. They are cheap and plentiful, but …read more Continue reading Tech in Plain Sight: Glucose Meters
Like a lot of hams, [Stuart] wanted an “on the air” sign. These signs often connect to a PTT switch or maybe an output from the transmitter that also does …read more Continue reading Sign Detects RF to Show You are on the Air
It is an age-old problem. You have a 2.5 GHz source and you want it at 5 GHz. You need a frequency doubler. [All Electronics Channel] has an interesting video …read more Continue reading A Microwave Frequency Doubler
[Marco] looks at a lot of meters. However, he considers the HP3458A the best even though they were introduced more than 30 years earlier in 1989. Someone donated one to …read more Continue reading The HP3458A: King of Multimeters for Three Decades
The latest video from [TheSignalPath] is a result of his purchase of a home COVID-19 test. He found an electronic version that connects to your cell phone and displays the …read more Continue reading Electronic Covid Test Tear Down Shows Frustrating Example of 1-Time-Use Waste
We are big fans of the little desktop magnetic levitation setups that float a small object on a magnet. As [3D Printed Life] points out, they look like magic. He …read more Continue reading Fail of the Week: Magnetic Levitation
If you’ve done anything with modern lighting effects, you’ve probably heard of DMX, also known as DMX512. Ever wonder what’s really happening under the hood? If so, then you should …read more Continue reading Learn DMX512 Basics