If you happen to be in the market for a small artificial sun, you may be interested to know that for about $1300, you can get a tennis-ball-sized LED array that outputs 120,000 lumens.

At first glance, it may look like [Rybitski]’s 7-segment RGB LED clock is something that’s been done before, but look past the beautiful mounting. It’s not just stylishly framed; ...

Abstract: Across the country, majority of the electric power has been utilized for street lights. These street lights are always ON throughout the night and even in day times due to inefficient street ...

Attention: This project isn't debugged properly due to hardware limitations. Some functions like trasferring binary files may not work properly. Anyone is welcome to test and debug! :) Use an led to ...