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For the term "led runing ckt using 555 timer ic".

Update 19 NGE Papp: Finished "Papp Test Timer Circuit", Ignition Set Up Test, & life! ;)

Schematic Is Posted Here: http://open-source-energy.org/forum/showthread.php?tid=659&pid=10230#pid10230 trying to raise 400$ to stay safe and detect neutrons. this is what i will be getting: http://www.bubbletech.ca/radiation_detectors_files/bubble_detectors.html one can donate to my research via my web page: http://rwgresearch.com/donate-to-rwgresearch-com/…

Arduino: TKLightMeter v 0.1: A Simple Irradiance Meter Using TSL235A

This little gadget is primarily for Joule Thief research, where the relative brightness of an LED must be compared or monitored as conditions change. The TSL235A is a small sensor that converts light intensity…