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Very often I need to charge one or two series LiIon cell for my experiments. I do have a sophisticated battery charger and analyzer but I d...

So... I found on my junk box a Kantronics Kam Plus modem. It stayed there about 2 years untill I found (yes, in my other junkbox) a 25 to ...

Well, I sibscribed recently to a FB group dedicated to emergency communications. Its a very nice group. I do not believe in the FB because ...

Yesterday I was a little bored and I was staring to a box full of quartz cristals. I was wondering what frequency was, especially a very old...

Some are curious about my lab tools. Well, I do have some stuff collected in years. The most important tools in a electronics laboratory ...