Making a CO2/GPS logger powered by a bike dynamo

By Bill Olson
12/18/2012 @ 11:00 pm

You will learn how to: Power a circuit with a bike dynamo Get CO2 and GPS sensor data Communicate using a GSM module Set up a database and log data using PHP/MySQl Bring this all together using an Arduino microcontroller Read more »

MintyBoost USB Charger Kit v3.0

By ladyada
12/18/2012 @ 10:45 pm

Safely and effectively charge your USB-powered devices when you are away from your computer with this handy charger! Please note: There have been reports that the Minty Boost has issues charging the iPhone 3GS. Read more »

Making a CO2/GPS logger powered by a bike dynamo

MintyBoost USB Charger Kit v3.0

Awesome!