SiC LED: Half the cost, same great taste…
NoMi Design’s northern lab recently received some next generation gallium-nitride on silicon carbide LEDs. These new XBD series LEDs from Cree are promising double the lumen per dollar of existing...
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...
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....
Shake, Rattle & Roll: The MMA8453Q & Arduino
So we finally finished putting the polish on our latest Arduino library designed for use with the MMA8453Q Accelerometer and its siblings the MMA8451 and MMA8452. This library gets you...
How to: LED as a Light Sensor
LEDs LEDs LEDs, is there anything they can’t do? Besides adding that special crunchiness to smooth peanut butter, they also make awesome light level sensors. Here’s one way to do...
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