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February 6, 2010
October 16, 2009
Image to Go Code imports most digital image files into G-Code format that can be ran with most computer numerical control routers and mills. The software package includes: A basic digital image editor to allow you to retouch the image before send it to the g-code converter. The converter reads the pixels information directly from imported image and creates the g-code file.
October 13, 2009
His name is Karol (it’s Charles in English) has said “A ploter described here writes on dark plastic things with a DVD-RW laser diode. I did not made the mechanism with stepper motors which you can see on the photos below, I got it whole as it is and I don’t know where it comes from. With a complete and working moving table I had to build a driver for it. There was two solutions: make a simple transistor buffer to connect motors coils directly to LPT port and write a control program for my own, or make more complicated motor drivers with step/dir inputs and use one of commercial control programs, for example Mach2. I choosed the first solution, it was faster for me to write a simple program than to build complex motor drivers 
Electronic part of this project isn’t even worth drawing a schematic, becouse it’s only nine NPN transistors: eight to drive the motors and one for turning laser on and off.”
October 13, 2009
Tweakie.CNC – CNC Homebuilt router, mill, engraver, vinyl cutter.
CNC machine construction and operational details together with examples and samples of things that can be made and techniques used for small CNC machines. Low Power Laser as he said “
To drive the laser I am using an adjustable, constant current source which is capable of driving a 2 to 2.5 Volt diode at any current between 5 mA to >500 mA thus catering for most commonly available types. The laser diode used here is being driven at 170 mA which according to the manufacturers specification will produce 150 mW of laser output power (before the lens).
The drive PCB also incorporates a ‘TTL modulation input’ which will allow pulsed operation up to 15kHz and providing the pulse width is small enough and the PRF high enough (check with the diode manufacturers specification) the laser drive current, and subsequent output power, could be increased accordingly (an additional heatsink may also be required for this type of operation). I am, however, operating it in CW mode and as the specification for the modulation input is <0.5 Volt for off and >2 Volt for on, this has meant that I can switch the laser on and off using a signal derived from the Z axis direction pin of the LPT port. Therefore, by disabling any Z axis movement and manually focusing the laser onto the surface of the work I am able to use the same GCode file (vector graphics) albeit with a reduced feedrate that I would otherwise have used for conventional point engraving (+Z moves turn the laser off and –Z moves turn it on again).
October 13, 2009
3D Printer progress. HOME. Nothing fancy just a picture dump and a few notes: Basically the idea is to build a 3D printer styled on those wonderful machines
October 12, 2009
As he planekrazie’s said “The way I got everything square during the welding process of the frame was:
1: Find you a good FLAT surface.
2: Get a scrap sheet of steel. I used the surface of the steel workbench which is 4×8.
September 25, 2009
Custom manufacturer specializing in spur gears, bevel gears, helical gears and worm gears. Emergency Delivery for prototype gears and replacement.
Engineering Calculators and Tools Index — gears delrin gears plastic gears bevel gears spiral gears worm worm gears spur gears helical gears phenolic gears stainless steel gears cast iron gears steel gears miter gears metric gears hardened gears heat treat reverse engineering bronze gears horsepower miniature gears 120205:
September 21, 2009
September 14, 2009
Wherein WildTools author Alfred Scott shares his thoughts on how to be a good troublemaker.
Set big, bodacious, change-the-world goals, then believe that you can accomplish them. Allow no limits to the audacity. It’s essential that you must believe that you can achieve a goal, or you will never get there. To set a new world record, an athlete must be able to ’see’ himself doing the thing that others regard as impossible.
Study the great troublemakers of the world: Ghandi, Martin Luther King, Churchill, Lincoln, Franklin, Washington, George Marshall, Robert E. Lee, etc. They were all people-shrewd, they all used their intellect in dealing with people, and they were all masters of communications.
State your case in simple, easy-to-understand phrases, like headlines in an advertising campaign. Learn how to create memorable phrases, words that will forever stay in the minds of your listeners. These phrases are your most powerful tools
July 13, 2009
DD-WRT is a third party developed firmware released under the terms of the GPL for many ieee802.11a/b/g/h/n wireless routers based on a Broadcom or Atheros chip reference design.
The firmware is maintained by BrainSlayer and is hosted at dd-wrt.com. The first versions of DD-WRT were based on the Alchemy Firmware from Sveasoft Inc, which is in turn based on the original GPL’d Linksys firmware and a number of other open source projects. DD-WRT was created directly from Sveasoft’s software decision to start charging for their firmware, closing the door to opensource.
At present DD-WRT is available for free although a different business model is being drafted by BrainSlayer in order to pay his salary, as this is his full time job.
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