Bode Plot Un-Lecture
[Rolinychupetin] insists that his recent video is not a lecture but actually a “recitation” about Bode plots. That may be, but it is still worth a watch if you want …read more Continue reading Bode Plot Un-Lecture
Author Archives: Al Williams
Pi Picos Give Casio FX9000P Its Memory Back
Is the Casio FX9000P a calculator or a computer? It’s hard to tell since Casio did make calculators that would run BASIC. [Menadue] didn’t know either, but since it had …read more Continue reading Pi Picos Give Casio FX9000P Its Memory Back
Assembly Language 80’s Minicomputer Style
In the days before computers usually used off-the-shelf CPU chips, people who needed a CPU often used something called “bitslice.” The idea was to have a building block chip that …read more Continue reading Assembly Language 80’s Minicomputer Style
The Eyes Have It: Stare Down Your Lighting
You know how you can feel when someone is looking at you? Thanks to a person detector, [Michael Rigsby’s] little robotic light switch also knows when you are looking at …read more Continue reading The Eyes Have It: Stare Down Your Lighting
Your Phone is a 200X Microscope — Sort Of
[A. Cemal Ekin] over on PetaPixel reviewed the Apexel 200X LED Microscope Lens. The relatively inexpensive accessory promises to transform your cell phone camera into a microscope. Of course, lenses …read more Continue reading Your Phone is a 200X Microscope — Sort Of
MEMS Teardown and Macroscopic Models
There is a bit of a paradox when it comes to miniaturization. When electronics replaced mechanical devices, it was often the case that the electronic version was smaller. When transistors …read more Continue reading MEMS Teardown and Macroscopic Models
What Does an Electron Look Like?
In school, you probably learned that an atom was like a little solar system with the nucleus as the sun and electrons as the planets. The problem is, as [The …read more Continue reading What Does an Electron Look Like?
Review of the YARD Stick One Radio Dongle
When it comes to SDR, you can usually find cheap products that receive and expensive products that can also transmit. The YARD Stick One bucks that trend. It can send …read more Continue reading Review of the YARD Stick One Radio Dongle
No Wheels, No Mercy
We always like when a designer does something different. After all, it is easy just to do what everyone else is doing. But to see things a different way is …read more Continue reading No Wheels, No Mercy
No Wheels, No Mercy
We always like when a designer does something different. After all, it is easy just to do what everyone else is doing. But to see things a different way is …read more Continue reading No Wheels, No Mercy