Collaborate Disseminate
We suspect there are three kinds of people in the world. People who have access to a Michelson Interferometer and are glad, those who don’t have one and don’t know …read more Continue reading Michelson Interferometer Comes Home Cheap
It used to be a rite of passage to be able to do the math necessary to design various bipolar transistor amplifier configurations. This doesn’t come up as often as …read more Continue reading Design of Common Emitter Amplifier
[Ronan] likes 35mm film photography, but the world, of course, has gone digital. He picked up an Epson FilmScan 200 for about €10. This wonder device from 1997 promised to …read more Continue reading The SCSI Film Scanner Resurrection
While EEG research might help you figure out extrasensory perception, we won’t be betting on it. However, if you want to read EEG data and use an ESP32, [Cerelog-ESP-EEG] might …read more Continue reading ESP with EEG — No, Not That ESP!
You have a part that needs different colors or different material properties — with a multi-color 3D printer, no problem. You can also laboriously switch filaments on a single-color printer. …read more Continue reading Multi-material Parts the Easy Way
In 1966, a mathematician named [Leo Moser] proposed what sounds like a simple problem: What’s the largest shape you can move through a 1-meter corridor with a right-angle corner? Now, …read more Continue reading Math Breakthrough Helps Your Feng Shui
You can hear sound, of course, but what if you could see it with a laser? That’s what [Goosetopherson] thought about, and thus a new project that you can see …read more Continue reading Seeing Sound with a Laser
You don’t see them much anymore, but there was a time when any hobbyist who dealt with RF probably had a grid dip meter. The idea was to have an …read more Continue reading DIY Grid Dip Meter Teardown
I’m going to go ahead and admit it: I really have too many tray icons. You know the ones. They sit on your taskbar, perhaps doing something in the background …read more Continue reading Linux Fu: Yet Another Shell Script Trick
[Kerry Wong] points out that the Uni-T MSO oscilloscopes have a logic analyzer built in — that’s the MSO, or Mixed Signal Oscilloscope, part — but you have to add …read more Continue reading Putting the M in a UNI-T MSO