Dank
Grbl is a free, open source, high performance CNC milling controller written in optimized C that will run on a straight Arduino. Get the code at Github | Follow Grbl on Twitter MIT Center for Bits and Atoms designed a beautifyl snap fit CNC machine controlled by Grbl. Nortd Labs runs their open source laser cutters with a Grbl-based firmware Who shoud use Grbl
The Fabulous Logic Analyzer #1
What is a logic analyzer? A logic analyzer is a device which can monitor the high and low states of several input lines of a digital logic. It is useful for debugging digital circuits such as bus transfers, etc. You can imagine a logic analyzer to be something like a digital oscilloscope.
Electronics - News
Circuitbenders - Custom built electronic audio insanity machines..........;.url
Grinding Lathe Tools on a Belt Sander – For the New Guy
I’m a believer. As a new guy I totally sucked at grinding lathe tools. It’s almost painful to admit how many stubby, misshapen, multi-faceted, overheated and just plain ugly lathe tools I made back then. The amazing thing is that some of those tools actually worked as well as the pre-ground tools that came with my lathe. I started to believe those guys that tell you, “… just get it close and it will work.”
simplelogicanalyser - uvasux
Simple Logic Analyser The idea is to build a circuit and computer software that will turn my computer into a logic analyser. I'd like to be able to inspect logic values within a digital circuit. This circuit is unbelievably easy: it only uses one IC and needs no external power supply. The logic analyser (schematic) is basically a buffer between the user's circuit and the parallel port using a 74hc4050 hex non-inverting buffer.
Carrion Sound - .url
Grbl development log
First complete job … completed I finished a little Air-app to stream complete jobs to the Grbl and render the result. This is the first “full scale test” running some 7000 lines of sample G-code I scrounged from this thread on CncForum. The Air-app feeds g-code to the microcontroller one line at a time, while the microcontroller generates the steps and feeds them back to be simulated in the Air-app. Everything seems to be working perfectly - the only thing missing now is a test with real steppers on a real machine. You can get the code for the Air-based test-harness at the github-repository
A logic analyzer using the PC's parallel port.
Last changed: 10/09/2009 16:52:25 Introduction. A logic analyzer is useful in electronic development and debugging, especially where fast logic circuits are involved with lots of signals whose relations have to be verified or examined. A logic analizer is a like a recorder for digital signals.
CNC Router Build – The Stand
The stand for my Solsylva 25x25-inch CNC router is made from 1x4-inch pine boards. Two of the supports are hinged so you can fold the router down so it takes up less storage space. Building the stand for my Solsylva 25×25 CNC router was pretty simple.
» PIC18F2550 USB HID Oscilloscope semifluid.com
This is a project that I’ve been planning on putting together for a long time. After creating an oscilloscope using a PIC12F675, I wanted to create a simple and effective USB oscilloscope using the higher performance PIC18F2550. During the development of this project, I learned quite a bit about USB HID communication, which allows me to quickly and effectively communicate with the desktop computer.
Retracting Key Ring Corrals Chuck Key
Noticed this write-in tip from Matthew Hakeman in the most recent issue of The Family Handyman. Googling discovered the title image in a thread over at GarageJournal.com, from user evintho. Looks like he’s put a metal strap around the key between the handle and the teeth.
How to debounce a switch
How to de-bounce a switch using CMOS & TTL It has come to my attention that there is a definite lack of understanding on how this simple procedure is achieved. Especially for low numbers of switches in non-microprocessor controlled devices. If the number of buttons you require on your front panel numbers less than 16 then this is how you get a clean button press.
