CNC Half Nuts: The Smell of Melting Plastic…
After cutting down the Y axis screw for the CNC gantry router project we had a short piece of 3/4 inch Acme leadscrew remaining that was just long enough to...
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Precision rotary feedback, embedded discrete-time calculus and high power switching.
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CNC Gantry Router: Collecting Bits & Pieces…
Bit by bit, piece by piece we have been slowing collecting the parts for the build. We just picked up a 400lb steel table measuring in at 5×8 feet that...
The Sound of Switchmode
If you’ve ever wondered what different switch mode power supplies would sound like if used to drive a speaker, here is an untested circuit you might try. Using a zener...
Hackaday: WindPOV project…
My WindPOV project was featured on Hackaday: http://hackaday.com/2012/03/02/wind-powered-pov-weather-station/ It displays the temperature and humidity on the wing tip by way of persistence of vision. The idea of using our Contiki...
6DOF Arduino: Compass & Accelerometer
This Arduino library is a mixed bag containing a number of functions to facilitate rapid sensor integration between a three axis compass and a three axis accelerometer. Where speed is...
Side Project: CNC Gantry Router
A friend brought over some plastic to CNC mill about a week ago and we got talking about CNC gantry routers and the currently in development DC Servo Drive. Eventually...
BringMeChina: Maker Carnival Beijing
Maker Carnival 2012, being promoted as China’s First Global Mass Creation and Open-source Sharing Faire is giving away 20 round-trip tickets to their upcoming event for anyone with a project...
Toaster Oven: Reflow SMD Soldering…
There’s a special place in my workshop for the toaster oven, that place is on the workbench. Using an toaster oven to reflow circuit boards is both fast and easy....
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