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Cheap Light Meter and LED Tester for less then $5
Arduino Light Sensitive Bar Graph
Aquaponics: EnvDAQ upgrade with Water Temperature Sensor (Grow Bed DAQ)
Temperature Sensor for Shower
Live data to excel from an Arduino Light Sensor
Light Spectrometer from a "battery powered" head inspection lamp
Led Pen with Adapter for connecting different color LEDs
LED HEATSINK FAB
Led Light Bar
Posted:Dec 20, 2011
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