AI Camera Knows Its S**t
[Caleb] shares a problem with most dog owners. Dogs leave their… byproducts…all over your yard. Some people pick it up right away and some just leave it. But what if …read more Continue reading AI Camera Knows Its S**t
Author Archives: Al Williams
Hack the Web Without a Browser
It is a classic problem. You want data for use in your program but it is on a webpage. Some websites have an API, of course, but usually, you are …read more Continue reading Hack the Web Without a Browser
Giant 3D Prints Piece-by-Piece
While FDM printers have gotten bigger lately, there’s almost always going to be a part that is bigger than your bed. The answer? Break your design into parts and assemble …read more Continue reading Giant 3D Prints Piece-by-Piece
Improve Your Front Panels
For many of us, the bane of electronic projects is making a professional-looking enclosure. Sure, 3D printing has made it easier to make the actual enclosure, but there’s still the …read more Continue reading Improve Your Front Panels
3D Printering: Getting Started with Universal Bed Leveling
Last time we talked about how Marlin has several bed leveling mechanisms including unified bed leveling or UBL. UBL tries to be all things to all people and has provisions …read more Continue reading 3D Printering: Getting Started with Universal Bed Leveling
This DIY Microscope Design is All Wet
[Robert Murray-Smith] wanted to recreate how some ancient microscopes worked: with a drop of water as a lens. The idea is that the meniscus of a drop of water will …read more Continue reading This DIY Microscope Design is All Wet
Pico Does PID
If you wanted to, say, control a temperature you might think you could just turn on a heater until you reach the desired temperature and then turn the heater off. …read more Continue reading Pico Does PID
Microwave Sampler is Like Time Domain Mixer
[Gregory] is building some microwave gear and wanted to convert a 3.3 GHz signal to a 12 MHz intermediate frequency. You might think of using a mixer, but you’d need …read more Continue reading Microwave Sampler is Like Time Domain Mixer
Impedance Matching Revisited
If you are an old hand at RF design, you probably have a good handle on matching impedance. However, if you are just getting started with RF, [FesZ Electronic]’s latest …read more Continue reading Impedance Matching Revisited
3D Printering: Soldering a Heated Bed
There’s an old saying about something being a “drop in the ocean.” That’s how I felt faced with the prospect of replacing a 12 V heated bed on my printer …read more Continue reading 3D Printering: Soldering a Heated Bed