LED circuit

Known as: LED power sources, Electrical polarity of a LED, LED circuits 
In electronics, an LED circuit is an electrical circuit used to power a light-emitting diode (LED). The circuit must provide sufficient current to… (More)
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Antiparallel (electronics)ArduinoConstant currentCurrent limiting
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Papers overview

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2010
2010
Evaluation of ultraviolet light-emitting diodes for detection of atmospheric NO2 by photolysis - chemiluminescence
Commercially available ultraviolet light-emitting diodes (UV-LEDs) are evaluated in the laboratory as a light source for… (More)
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2006
2006
23. MAGNETOSTRATIGRAPHY OF LEG 73 SEDIMENTS
This chapter presents the magnetostratigraphy of Leg 73 sediments. We correlate the magnetostratigraphy to the geomagnetic… (More)
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2002
2002
THE PRECAMBRIAN-CAMBRIAN BOUNDARY PROBLEM : PALEOMAGNETIC DIRECTIONS FROM THE AMADEUS BASIN , CENTRAL AUSTRALIA
Late Precambrian to early Cambrian sediments of the Amadeus Basin, Central Australia, contain two stable directions of… (More)
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2002
2002
Late Oligocene to early Miocene geochronology and paleoceanography from the subantarctic South Atlantic
[1] At Ocean Drilling Program (ODP) Site 1090 on the Agulhas Ridge (subantarctic South Atlantic) benthic foraminiferal stable… (More)
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2000
2000
Integrated stratigraphy and astronomical calibration of the Serravallian = Tortonian boundary section at Monte Gibliscemi ( Sicily , Italy )
Results are presented of an integrated stratigraphic (calcareous plankton biostratigraphy, cyclostratigraphy and… (More)
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Highly Cited
1999
Highly Cited
1999
Astronomically tuned geomagnetic polarity timescale for the Late Triassic
Cycle stratigraphic and magnetostratigraphic analyses of a -5000-m-thick composite section obtained by scientific oring in the… (More)
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1999
1999
Dating transitionally magnetized lavas of the late Matuyama Chron : Toward a new 40 Ar / 39 Ar timescale of reversals and events
The K-Ar based geomagnetic polarity timescale was constructed using data from lavas and tuffs that bracketed, but rarely dated… (More)
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Highly Cited
1997
Highly Cited
1997
Mutations in the human homologue of the Drosophila segment polarity gene patched (PTCH) in sporadic basal cell carcinomas of the skin and primitive neuroectodermal tumors of the central nervous…
The human homologue of the Drosophila segment polarity gene patched (PTCH) has recently been identified as the tumor suppressor… (More)
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1987
1987
Mechanism for geomagnetic polarity reversals
Recent studies of old magnetic observations1 and the seismic velocity of the lower mantle2 suggest that at least part of the… (More)
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1962
1962
The polarity-coincidence correlator: A nonparametric detection device
It is shown that the polarity-coincidence correlator (PCC), a two-input detection device, is nonparametric in its falsealarm rate… (More)
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