Zobrazeno 1 - 9
of 9
pro vyhledávání: '"O. Yu. Kovalenko"'
Publikováno v:
Российский технологический журнал, Vol 10, Iss 3, Pp 103-110 (2022)
Objectives. When used in lighting installations with tubular low-pressure ultraviolet (UV) lamps, electronic ballasts should meet the following basic requirements: low cost, reliable ignition at low temperatures, as well as combining high energy effi
Externí odkaz:
https://doaj.org/article/f9ce90acfdea4eeaafd7f2ed50d5e2b4
Publikováno v:
Spravochnik. Inzhenernyi zhurnal. :45-49
In this work, the concept of creating a lamp with a variable light distribution in a single housing was chosen, the characteristics of the uniformity of illumination, the values of the average brightness over the studied surfaces of the developed lam
Publikováno v:
Spravochnik. Inzhenernyi zhurnal. :53-59
The work is devoted to the development of a prototype of an electronic clock based on a 176 series microcircuit. To create a prototype, an integrated circuit K176ID3, LEDs (VD1, VD2, VD3, VD4, VD5), an indicator (VD6), momentary buttons (KK, KM, KR ,
Publikováno v:
Spravochnik. Inzhenernyi zhurnal. :52-56
The work is devoted to the development of a lamp based on an LED matrix with varying chromaticity and illumination level. The following main components are used in the work: an addressable LED matrix WS2812b 1616 LED, Arduino Nano, a TTP223 touch
Publikováno v:
Spravochnik. Inzhenernyi zhurnal. :53-56
The work is devoted to the development of a lighting device with control of the color of the LED strip depending on the value of temperature and humidity. To develop a prototype of a lighting installation, an A-Star 32U4 Micro microcontroller (analog
Publikováno v:
Vestnik MGTU, Vol 22, Iss 4, Pp 471-476 (2019)
Lighting using LED technology is used for domestic purposes, as well as in various sectors of the economy. In the process of studying low-power LED lamps with a power of 9, 10, 12W (various manufacturers), differing in their design and used as a repl
Autor:
O. Yu Kovalenko, E.N. Voskresenskaya
Publikováno v:
IOP Conference Series: Earth and Environmental Science. 272:022183
The decadal-multidecadal changes of extreme air temperature characteristics during winter and summer in the Black Sea region are studied in the paper. The 5th and 95th percentiles of intra-seasonal daily temperature anomalies and number of days with
Autor:
Yu. A. Pilshchikova, O Yu. Kovalenko
Publikováno v:
International Journal of Engineering & Technology. 7:1
This article discusses the effectiveness of influence of irradiation lighting facility on the productivity and homogeneity of broilers. Irradiation lighting facility of increased efficiency is proposed. Its spectral composition of radiation sources c
Autor:
O Yu Kovalenko, E N Voskresenskaya
Publikováno v:
IOP Conference Series: Earth & Environmental Science; Feb2018, Vol. 107 Issue 1, p1-1, 1p