Wireless home energy monitor

Here is a project that allows you to keep track of your household power consumption over a wireless connection. Jone’s energy monitor project counts electricity meter‘s indicator pulses, which the electrical distribution company uses to bill you. Once it reads 5 minutes worth of consumption data, it is broadcast to a web server over a […]

Glass Block LED Matrix, controlled outdoors via tablet

Here is a video from Hive 13 that shows how an Android tablet is used to control a glass block LED matrix via a wireless connection. After installing a LED matrix behind a glass block wall in their bathroom, hackers at Hive 13 are figuring out a way to control them. After some initial struggles […]

nRF24LE1 low power single chip wireless data

The nRF24LE1 is a single chip radio that can be used with a microcontroller for low power wireless stuff.  It has lots of extras like an ultra low power analog comparator for voltage level system wake-up. Nordic Semiconductor provides an RF protocol stack and applications for microcontrollers. Via MDFLY.