MindKits News and Blog

Day table made of wood, that tracks the light.

It amazes me how many talented people are out there in this world. And the only thing that stops them or us is our imagination. So I just had to share this with you.

 

Day Table:  LEDs OnDay Table: LEDs On

LEDs OffLEDs Off SensingSensing

The Day Table table acts as a record of the previous day by sensing ambient light levels in its environment and displaying them through 24 LED strips embedded just below its surface.  The rightmost LEDs show the most recent light levels and the leftmost show the light levels of a day ago.  Day and night transitions can be seen, as well as human activity through actions such as turning lights on and off in the room where the table resides.


The table is made of bird's eye maple with a Danish oil followed by polyurethane finish.  An Arduino Duemilanove and eight Shiftbars (a three-channel PWM LED driver) control the 24 LED strips and photoresistor sensors.  With all LEDs on the table uses about 20W.


Light SensorLight Sensor UndercarriageUndercarriage

InnardsInnards


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