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Step Down Voltage Regulator for fischertechnik - useful for power led and more
LED voltage range indicator
Step-down LED Driver (Up to 36V Input with Sleep Feature)
Multiple LEDs on a Single Resistor
Modify an RGB LED kit to power more LEDs
Solar High Power LED Lantern
How To make 12 Volts Adopter
LEDs as temperature sensors
Troubleshoot your car battery with ATtiny.
Make a Beat using Solenoids
Posted:Aug 23, 2010
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