Monthly Archives: July 2010

Kill-a-Watt Meter and Computer Power Usage

I bought a Kill-a-Watt P4400 power meter to check computer power usage and ran the numbers for cost.

Android Bluetooth

Once the Arduino board had a Bluetooth module attached, it was time to make it talk to another device.  We chose our Nexus Ones– Android 2.2 powered smart phones.  Briefly, prior to Android 2.0, Bluetooth support in the Android OS was really awful and generally not worth bothering with.  Even today, it’s still kind of read more »