A Dollar Store Switch Mode Buck Power SupplyKarl Berger, W4KRLWhile cruising the aisles of a newly opened dollar store I discovered an automotive cigarette lighter adapter with two USB connectors to charge a cell phone or other device. The nameplate...
"I hate it here" - it's how Warren Ellis opens the pages of Transmetropolitan. We might get there too. All this thinkering and building things used to be fun. Then Oculus got sold and the whole world exploded. Five years later, the same hoodie sweater...
disclaimer:a lot of what is below is wrong. the project has gone through some major design changes, including: new architectural setup, new command set, new mechanical layout. this is the new architectural set up:this is the new mechanical set up:you...
Circuits:Main Board:Leds connections:The Android App:When it's not connected to the leds lightbar all the button are black (Home Screen)It's automatically starting the bluetooth connection and when it's established, the color mode is displayed (fader/random/fixed)....
Since I was born in mid-eighties, I've never experienced real 74xx build. Few gates here and there was common, but lager designs were practically unneeded - as microcontrollers, CPLDs or FPGAs replaced need for such as work. But my possession in vintage...
With a CNC the main goal is to get a platform to a location. This location can be specified by different coordinate systems. Currently I'm limiting the aim to a 2D plane. Most hobby CNCs use the two drive axis as the basis for the CNC's coordinate system....
The PIC32MX250F128B has a myriad of peripheral features that makes this cheap little 28-pin 32-bit microcontroller extremely powerful. However, it does lack a digital-to-analog converter (DAC). A simple approach to digital-to-analog conversion is to...
Techniques ReviewWe are going to consider only time series analysis in this section. There are reviews of "complexity measures" (Feldman and Crutchfield 1998, Daw, et.al. 2002). Kuusela, et.al. (2002) compare the results of ten different complexity measures...
While looking around at the local electronics recycler, an N64 caught my eye. I realized that it looked an awful lot like an old radio. So, creativity struck.The Nintendo 64 logo on the front looks a radio dial, and the controller ports look like knobs....
Hack42 is one of the larger hackerspaces in Europe. Currently located on a former military base just outside of Arnhem, we have lots of space to mess about with all sorts of crazy things and loony projects.Besides the vast combined knowledge and experience...
This one is loaded with several ingenious hacks from the 70s/80s era.The original model was created by [Henry R. Feinberg] of Bell Labs specifically for the movie. It was built with the intent that it would be worthy of conversation between gurus;...