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Already reached the market the first LED lamp that replaces 100 watt incandescent bulb, this was the announcement of Osram Sylvania. She becomes the first to do is replace the new lamp will join the existing line of Ultra LED 40, 60 and 75 watt (equivalent to incandescent powers), it consumes 20 watts and have a lifespan of 25,000 hours about 25 times more than incandescent bulbs.It has a CRI of 80, an illumination of 1,600 lumens and a warm white color temperature of 2700k. It also is adjustable and, of course, free of mercury and lead. First LED lamp that replaces a 100 watt incandescent

Quiz-type game shows are increasingly becoming popular on tale vision these days. In such games, fastest finger first indicators (FFFIs) are used to test the player’s reaction time. The player’s designated number is dis played with an audio alarm when the player presses his entry button. The circuit presented here determines as to which of the four contestants first pressed the button and locks out the remaining three entries. Simultaneously, an audio alarm and the correct decimal number display of the corresponding contestant are activated. Circuit Diagram: Fastest Finger First Indicator Circuit Diagram When a contestant presses his switch, the corresponding output of latch IC2 (7475) changes its logic state from 1 to 0. The combinational circuitry comprising dual 4-input NAND gates of IC3 (7420) locks out subsequent entries by producing the appropriate latch-disable signal. Priority encoder IC4 (74147) encodes the active-low input condition into the cor responding binary coded de...

Quiz-type game shows are increasingly becoming popular on tale vision these days. In such games, fastest finger first indicators (FFFIs) are used to test the player’s reaction time. The player’s designated number is dis played with an audio alarm when the player presses his entry button. The circuit presented here determines as to which of the four contestants first pressed the button and locks out the remaining three entries. Simultaneously, an audio alarm and the correct decimal number display of the corresponding contestant are activated.  Fastest Finger First Indicator Circuit Diagram:   Fastest Finger First Indicator Circuit Diagram   When a contestant presses his switch, the corresponding output of latch IC2 (7475) changes its logic state from 1 to 0. The combinational circuitry comprising dual 4-input NAND gates of IC3 (7420) locks out subsequent entries by producing the appropriate latch-disable signal. Priority encoder IC4 (74147) encodes the active-low input c...

Google has launched the first three Android One Smartphones, starting at Rs. 6,299 in India. The launch of Android One Smartphones has been considered as an initiative, where. Indian buyers can own high-quality and advanced smartphones at affordable price tags. This initiative has started off in India, and will be launched in other countries later. Currently, Micromax, Karbonn and Spice has launched their first ever smartphones, running on the Android One platform. Later, other smartphone manufactures will also launch Android One running smartphones in India. India’s number one smartphone brand, Micromax has launched the ‘Canvas A1’, their first ever Android One Smartphone. The Micromax Canvas A1 is available exclusively on Amazon. India with a price tag of Rs. 6,499. At this price tag, this smartphone packs various advanced features making it a worth buy package deal. On the other hand, two more Android One smartphones, naming as Karbonn Sparkle V and Spice Dream Uno have hit the Ind...