24th Mar 2012

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...

17th Mar 2012

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...

05th Mar 2012

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...

02nd Mar 2012

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...

27th Feb 2012

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...

22nd Feb 2012

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...

17th Feb 2012

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...

15th Feb 2012

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....